Apa itu laju reaksi? Yuk, kita belajar pengertian laju reaksi beserta faktor-faktor yang memengaruhinya dengan membaca artikel Kimia kelas 11 berikut ini!
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Selain nasi goreng dan sate ayam, makanan apa lagi yang banyak dijajakan di pinggir jalan?
Bubur ayam? Bakso? Mi ayam?
Pasti masih banyak lagi kan? Nah, kali ini kita akan belajar kimia dari abang-abang yang jual makanan dipinggir jalan, tepatnya abang-abang penjual ketoprak. Kamu tau kan, apa itu ketoprak? Ada yang bilang ketoprak itu singkatan dari KEtupat, TOge digePRAK (diulek).
Nah, bumbu ketoprak itu merupakan saus kacang, yang bahan dasarnya dari kacang tanah yang digerus hingga berbentuk bubuk tapi masih agak kasar. Untuk dijadikan bumbu dalam ketoprak, bubuk kacang tersebut diberi pelarut yakni air. Coba kamu perhatikan deh, saat penjual ketoprak menuangkan air ke bubuk kacang tersebut? Apa yang terjadi? Apakah bubuknya tetap menjadi bubuk atau berubah menjadi encer?
Yap, menjadi encer kan? Hal itu karena jumlah dari kepadatan bubuk kacang berkurang karena bertambahnya jumlah air. Nah, banyak lho, yang mengira bahwa hal tersebut merupakan salah satu bentuk laju reaksi. Padahal sebenarnya bukan lho, guys!
Laju reaksi itu sendiri merupakan berkurangnya konsentrasi pereaktan akibat bereaksi. Kalau di bumbu ketoprak, konsentrasi kepadatan bubuk kacangnya berkurang karena tercampur dengan air atau dalam kata lain karena pengenceran, bukan karena reaksi, sehingga tidak bisa disebut sebagai laju reaksi. Laju reaksi itu terjadi jika konsentrasi pereaktan berkurang akibat bereaksi, bukan karena pengenceran.
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Berarti contoh laju reaksi itu apa, dong? Contohnya antara lain pemakaian bensin pada kendaraan bermotor, pagar besi yang berkarat, pelapukan pada kayu, dan ledakan kembang api.
Laju sendiri memiliki kaitan dengan waktu. Nah, apabila waktu yang dibutuhkan itu singkat, maka lajunya besar. Sebaliknya nih, kalau waktu yang dibutuhkan itu panjang, maka laju tersebut kecil. Artinya, laju berbanding terbalik dengan waktu.
Contoh reaksi yang berlangsung dengan laju cepat adalah ledakan kembang api. Sedangkan contoh reaksi yang berlangsung dengan laju lambat adalah pelapukan pada kayu dan proses pembentukan karat pada besi.
Persamaan Laju Reaksi
Dalam laju reaksi, umumnya penyebutan satuan dinyatakan dengan M/s (molaritas per detik) atau yang disebut juga dengan molaritas. Molaritas itu sendiri ialah ukuran yang menyatakan banyak mol zat terlarut dalam satu liter larutannya.
Kamu tahu nggak bahwa laju reaksi juga memiliki persamaan, lho. Persamaan laju reaksi merupakan sebuah persamaan yang memperlihatkan keterkaitan atau hubungan antara laju reaksi tertentu dengan konsentrasi pereaksinya.
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Coba kamu perhatikan rumusnya, selain ada tetapan laju reaksi, juga ada orde reaksi. Orde reaksi ini beda dengan orde lama ataupun orde baru yang ada di mapel sejarah, ya. Orde reaksi itu merupakan pangkat molaritas dalam persamaan laju reaksi. Mudahnya, orde reaksi itu adalah tingkat reaksi.
Orde Reaksi
Orde reaksi menampilkan hubungan antara perubahan konsentrasi dengan perubahan laju reaksi. Nah, hubungan antara keduanya dinyatakan dengan grafik orde reaksi. Ada tiga macam grafik orde reaksi, nih. Pertama yaitu orde reaksi nol. Grafik ini menunjukkan bahwa laju reaksi tidak bergantung pada konsentrasi reaksi.
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Pada grafik orde satu, laju reaksi itu punya perbandingan yang lurus dengan konsentrasi pereaksi. Kalau konsentrasi tersebut dinaikkan dua kali, maka laju reaksi juga akan dua kali lebih cepat dari awalnya. Begitu juga seterusnya.
Kalau grafik orde dua, ketika konsentrasi dinaikkan n kali maka laju reaksi akan naik n pangkat 2 (n2) kali. Contohnya yaitu ketika laju reaksi dinaikkan 2x, maka laju reaksi akan naik 2 pangkat 2 (22) atau 4x lebih cepat dari semula.
Perlu kalian catat nih bahwa orde reaksi itu nggak bisa ditentuin dari bentuk persamaan reaksi. Orde reaksi hanya bisa ditentukan dari hasil eksperimen dengan mengubah variabel molaritasnya (reaksi berbentuk larutan dan gas).
Teori Tumbukan
Dalam proses terjadinya reaksi, ada salah satu teori yang bisa menjelaskan tentang hal tersebut, namanya teori tumbukan. Menurut teori ini, reaksi kimia yang terjadi itu bisa terjadi karena partikel-partikel yang saling bertumbukan.
Kenapa sih, bisa saling bertumbukan?
Tumbukan bisa terjadi kalau ada dua molekul atau lebih dan permukaannya saling bersentuhan di satu titik. Satu titik di sini itu merupakan anggapan bentuk molekul bulat seperti bola. Kamu harus tahu bahwa nggak semua tumbukan bakal menghasilkan reaksi kimia. Tumbukan yang menghasilkan reaksi kimia disebut dengan tumbukan efektif.
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Supaya bisa terjadi tumbukan yang efektif harus ada orientasi tumbukan molekul yang tepat. Orientasi sendiri merupakan arah atau letak posisi antarmolekul yang bertumbukan.
Faktor yang Mempengaruhi Laju Reaksi
Laju reaksi bisa dipengaruhi oleh beberapa faktor, lho! Faktor-faktor tersebut dapat mempercepat laju reaksi atau malah memperlambat laju reaksi. Faktor-faktor tersebut antara lain suhu, konsentrasi, katalisator, dan luas permukaan sentuh. Nah, kita akan bahas beberapa saja, ya.
1. Konsentrasi
Larutan yang pekat, artinya punya konsentrasi yang besar, punya partikel yang lebih rapat kalau kamu bandingkan sama larutan encer. Nah, dengan kata lain tuh semakin tinggi konsentrasinya, maka semakin banyak molekul dalam tiap satuan. Ini berakibat tumbukan antarmolekul intensitasnya makin sering terjadi dan reaksinya berlangsung semakin cepat.
2. Luas Permukaan Sentuh
Jika ada pencampuran reaktan yang terdiri dari dua fasa atau lebih, maka tumbukannya terjadi di bagian permukaan zat. Nah, padatan yang bentuknya serbuk halus, punya luas permukaan bidang sentuh yang lebih besar kalau dibandingkan dengan padatan yang berbentuk lempeng atau butiran. Maka, berlaku bahwa semakin besar luas permukaan partikelnya, maka frekuensi tumbukan bisa jadi semakin tinggi. Inilah yang menyebabkan reaksi berlangsung lebih cepat.
3. Suhu
Reaksi kimia umumnya lebih cepat jika dilangsungkan pada suhu yang lebih tinggi. Jika suhunya rendah, maka reaksi kimia akan lebih lambat terjadi. Contoh paling mudahnya yaitu ketika kamu membeli daging sapi potongan. Kira-kira, mana yang lebih cepat membusuk, daging sapi yang dibiarkan di ruangan terbuka atau daging sapi yang disimpan di dalam kulkas (freezer)? Coba jawab di kolom komentar, ya!
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Nah, itu tadi penjelasan tentang laju reaksi beserta faktor-faktor yang memengaruhinya. Kalau kamu masih bingung dan ingin mengetahui lebih lanjut tentang materi ini, daftar di ruangbelajar deh. Di sana penjelasannya lebih lengkap dan pakai video belajar dengan animasi yang keren. Dijamin makin paham deh. Daftar sekarang juga ya!
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<h1 class="content-title">
Laju Reaksi dan Faktor-Faktor yang Mempengaruhinya | Kimia Kelas 11 </h1>
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<p class="content-author"><a href="https://www.ruangguru.com/blog/author/tedy-rizkha-heryansyah" class="">Tedy Rizkha Heryansyah</a> </p>
<p class="content-info"><span>May 26, 2025 • </span> <span>6 minutes read</span></p>
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<p style="text-align: justify;"><img decoding="async" style="width: 820px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/laju%20reaksi.jpg" alt="laju reaksi" width="820" /></p>
<blockquote>
<p style="text-align: center; font-size: 16px;"><em style="text-align: center; background-color: transparent;"><span style="background-color: transparent;">Apa itu laju reaksi? Yuk, kita belajar pengertian laju reaksi beserta faktor-faktor yang memengaruhinya dengan membaca <strong><a href="https://www.ruangguru.com/blog/c/kimia/kimia-sma-kelas-11">artikel Kimia kelas 11</a></strong> berikut ini!</span></em></p>
</blockquote>
<p style="text-align: center;">—</p>
<p> </p>
<p style="text-align: justify;">Selain nasi goreng dan sate ayam, makanan apa lagi yang banyak dijajakan di pinggir jalan?</p>
<p style="text-align: justify;">Bubur ayam? Bakso? Mi ayam?</p>
<p style="text-align: justify;">Pasti masih banyak lagi kan? Nah, kali ini kita akan belajar kimia dari abang-abang yang jual makanan dipinggir jalan, tepatnya abang-abang penjual ketoprak. Kamu tau kan, apa itu ketoprak? Ada yang bilang ketoprak itu singkatan dari KEtupat, TOge digePRAK (diulek).</p>
<p style="text-align: justify;">Nah, bumbu ketoprak itu merupakan saus kacang, yang bahan dasarnya dari kacang tanah yang digerus hingga berbentuk bubuk tapi masih agak kasar. Untuk dijadikan bumbu dalam ketoprak, bubuk kacang tersebut diberi pelarut yakni air. Coba kamu perhatikan deh, saat penjual ketoprak menuangkan air ke bubuk kacang tersebut? Apa yang terjadi? Apakah bubuknya tetap menjadi bubuk atau berubah menjadi encer?</p>
<p style="text-align: justify;">Yap, menjadi encer kan? Hal itu karena jumlah dari kepadatan bubuk kacang berkurang karena bertambahnya jumlah air. Nah, banyak lho, yang mengira bahwa hal tersebut merupakan salah satu bentuk laju reaksi. Padahal sebenarnya bukan lho, <em>guys</em>!</p>
<p style="text-align: justify;">Laju reaksi itu sendiri merupakan <span style="font-weight: bold;">berkurangnya konsentrasi pereaktan akibat bereaksi</span>. Kalau di bumbu ketoprak, konsentrasi kepadatan bubuk kacangnya berkurang karena tercampur dengan air atau dalam kata lain karena <span style="font-weight: bold;">pengenceran</span>, bukan karena reaksi, sehingga tidak bisa disebut sebagai laju reaksi. Laju reaksi itu terjadi jika <span style="font-weight: bold;">konsentrasi pereaktan berkurang akibat bereaksi, bukan karena pengenceran</span>.</p>
<p><strong>Baca Juga: <a href="/blog/kesetimbangan-kimia-jenis-jenis-reaksi-dan-tetapan" rel="noopener">Jenis-jenis, Reaksi, dan Tetapan Kesetimbangan Kimia</a></strong></p>
<p style="text-align: justify;">Berarti contoh laju reaksi itu apa, dong? Contohnya antara lain pemakaian bensin pada kendaraan bermotor, pagar besi yang berkarat, pelapukan pada kayu, dan ledakan kembang api.</p>
<p><strong><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/grafik%20perubahan%20konsentrasi%20terhadap%20waktu.jpg" alt="grafik perubahan konsentrasi terhadap waktu" width="600" /></strong></p>
<p> </p>
<p style="text-align: justify;">Laju sendiri memiliki kaitan dengan waktu. Nah, apabila waktu yang dibutuhkan itu singkat, maka lajunya besar. Sebaliknya nih, kalau waktu yang dibutuhkan itu panjang, maka laju tersebut kecil. Artinya, <span style="font-weight: bold;">laju berbanding terbalik dengan waktu</span>.</p>
<p style="text-align: justify;">Contoh reaksi yang berlangsung dengan laju cepat adalah ledakan kembang api. Sedangkan contoh reaksi yang berlangsung dengan laju lambat adalah pelapukan pada kayu dan proses pembentukan karat pada besi.</p>
<p> </p>
<h2><span style="font-size: 18pt;">Persamaan Laju Reaksi</span></h2>
<p style="text-align: justify;">Dalam laju reaksi, umumnya penyebutan satuan dinyatakan dengan <span style="font-weight: bold;">M/s (molaritas per detik)</span> atau yang disebut juga dengan <span style="font-weight: bold;">molaritas</span>. Molaritas itu sendiri ialah ukuran yang menyatakan banyak mol zat terlarut dalam satu liter larutannya.</p>
<p style="text-align: justify;">Kamu tahu nggak bahwa laju reaksi juga memiliki persamaan, lho. Persamaan laju reaksi merupakan sebuah persamaan yang memperlihatkan keterkaitan atau <span style="font-weight: bold;">hubungan antara laju reaksi tertentu dengan konsentrasi pereaksinya</span>.</p>
<p><strong><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/persamaan%20laju%20reaksi.jpg" alt="persamaan laju reaksi" width="600" /></strong></p>
<p> </p>
<p><strong>Baca Juga: <a href="/blog/tahukah-kamu-asal-terjadinya-energi" rel="noopener">Mengenal Energi dan Perubahannya dalam Sistem</a></strong></p>
<p style="text-align: justify;">Coba kamu perhatikan rumusnya, selain ada tetapan laju reaksi, juga ada orde reaksi. Orde reaksi ini beda dengan orde lama ataupun orde baru yang ada di mapel sejarah, ya. Orde reaksi itu merupakan <span style="font-weight: normal;"><span style="font-weight: bold;">pangkat molaritas dalam persamaan laju reaksi</span>.</span> Mudahnya, orde reaksi itu adalah tingkat reaksi.</p>
<p> </p>
<h2><span style="font-size: 18pt;">Orde Reaksi</span></h2>
<p style="text-align: justify;">Orde reaksi menampilkan <span style="font-weight: normal;">hubungan antara perubahan konsentrasi dengan perubahan laju reaksi</span>. Nah, hubungan antara keduanya dinyatakan dengan grafik orde reaksi. Ada <span style="font-weight: normal;">tiga macam grafik orde reaksi,</span> nih. Pertama yaitu <span style="font-weight: bold;">orde reaksi nol</span>. Grafik ini menunjukkan bahwa laju reaksi tidak bergantung pada konsentrasi reaksi.</p>
<p><strong><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/grafik%20orde%20reaksi.jpg" alt="grafik orde reaksi" width="600" /></strong></p>
<p> </p>
<p><strong>Baca Juga: <a href="/blog/sifat-koloid-dan-cara-pembuatannya" rel="noopener">Sifat-Sifat Koloid dan Cara Pembuatannya</a></strong></p>
<p style="text-align: justify;">Pada grafik <span style="font-weight: bold;">orde satu</span>, laju reaksi itu punya perbandingan yang lurus dengan konsentrasi pereaksi. Kalau konsentrasi tersebut dinaikkan dua kali, maka laju reaksi juga akan dua kali lebih cepat dari awalnya. Begitu juga seterusnya.</p>
<p style="text-align: justify;">Kalau grafik <span style="font-weight: bold;">orde dua</span>, ketika konsentrasi dinaikkan n kali maka laju reaksi akan naik n pangkat 2 (n<sup>2</sup>) kali. Contohnya yaitu ketika laju reaksi dinaikkan 2x, maka laju reaksi akan naik 2 pangkat 2 (2<sup>2</sup>) atau 4x lebih cepat dari semula.</p>
<p style="text-align: justify;">Perlu kalian catat nih bahwa orde reaksi itu nggak bisa ditentuin dari bentuk persamaan reaksi. Orde reaksi hanya bisa ditentukan dari <span style="font-weight: bold;">hasil eksperimen</span> dengan mengubah variabel molaritasnya (reaksi berbentuk larutan dan gas).</p>
<p> </p>
<h2><span style="font-size: 18pt;">Teori Tumbukan</span></h2>
<p style="text-align: justify;">Dalam proses terjadinya reaksi, ada salah satu teori yang bisa menjelaskan tentang hal tersebut, namanya teori tumbukan. Menurut teori ini, <span style="font-weight: bold;">reaksi kimia</span> yang terjadi itu bisa <span style="font-weight: bold;">terjadi karena partikel-partikel yang saling bertumbukan</span>.</p>
<p style="text-align: justify;">Kenapa sih, bisa saling bertumbukan?</p>
<p style="text-align: justify;">Tumbukan bisa terjadi kalau ada <span style="font-weight: bold;">dua molekul atau lebih</span> dan <span style="font-weight: bold;">permukaannya saling bersentuhan di satu titik</span>. Satu titik di sini itu merupakan anggapan bentuk molekul bulat seperti bola. Kamu harus tahu bahwa nggak semua tumbukan bakal menghasilkan reaksi kimia. Tumbukan yang menghasilkan reaksi kimia disebut dengan tumbukan efektif.</p>
<p><strong><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/orientasi%20tumbukan.jpg" alt="orientasi tumbukan" width="600" /></strong></p>
<p> </p>
<p><strong>Baca Juga: <a href="/blog/kimia-kelas-11-apa-yang-menyebabkan-buah-bisa-matang" rel="noopener">Apa yang Menyebabkan Buah Bisa Matang?</a></strong></p>
<p style="text-align: justify;">Supaya bisa terjadi tumbukan yang efektif harus ada <span style="font-weight: bold;">orientasi tumbukan molekul yang tepat</span>. Orientasi sendiri merupakan arah atau letak posisi antarmolekul yang bertumbukan.</p>
<p> </p>
<h2><span style="font-size: 18pt;">Faktor yang Mempengaruhi Laju Reaksi</span></h2>
<p style="text-align: justify;">Laju reaksi bisa dipengaruhi oleh beberapa faktor, lho! Faktor-faktor tersebut dapat mempercepat laju reaksi atau malah memperlambat laju reaksi. Faktor-faktor tersebut antara lain <span style="font-weight: bold;">suhu</span>, <span style="font-weight: bold;">konsentrasi</span>, <span style="font-weight: bold;">katalisator</span>, dan <span style="font-weight: bold;">luas permukaan sentuh</span>. Nah, kita akan bahas beberapa saja, ya.</p>
<p> </p>
<h3><span style="font-size: 14pt;">1. Konsentrasi</span></h3>
<p style="text-align: justify;">Larutan yang pekat, artinya punya konsentrasi yang besar, punya partikel yang lebih rapat kalau kamu bandingkan sama larutan encer. Nah, dengan kata lain tuh <span style="font-weight: bold;">semakin tinggi konsentrasinya, maka semakin banyak molekul dalam tiap satuan</span>. Ini berakibat <span style="font-weight: normal;">tumbukan antarmolekul intensitasnya makin sering terjadi dan reaksinya berlangsung semakin cepat</span>.</p>
<p> </p>
<h3><span style="font-size: 14pt;">2. Luas Permukaan Sentuh</span></h3>
<p style="text-align: justify;">Jika ada pencampuran reaktan yang terdiri dari dua fasa atau lebih, maka tumbukannya terjadi di bagian permukaan zat. Nah, padatan yang bentuknya serbuk halus, punya luas permukaan bidang sentuh yang lebih besar kalau dibandingkan dengan padatan yang berbentuk lempeng atau butiran. Maka, berlaku bahwa <span style="font-weight: bold;">semakin besar luas permukaan partikelnya, maka frekuensi tumbukan bisa jadi semakin tinggi</span>. Inilah yang menyebabkan reaksi berlangsung lebih cepat.</p>
<p> </p>
<h3><span style="font-size: 14pt;">3. Suhu</span></h3>
<p style="text-align: justify;">Reaksi kimia umumnya <span style="font-weight: bold;">lebih cepat jika dilangsungkan pada suhu yang lebih tinggi</span>. Jika suhunya rendah, maka reaksi kimia akan lebih lambat terjadi. Contoh paling mudahnya yaitu ketika kamu membeli daging sapi potongan. Kira-kira, mana yang lebih cepat membusuk, daging sapi yang dibiarkan di ruangan terbuka atau daging sapi yang disimpan di dalam kulkas (<em>freezer</em>)? Coba jawab di kolom komentar, ya!</p>
<p><strong><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/faktor-faktor%20yang%20memengaruhi%20laju%20reaksi.jpg" alt="faktor-faktor yang memengaruhi laju reaksi" width="600" /></strong></p>
<p> </p>
<p><strong>Baca Juga: <a href="/blog/manfaat-minyak-bumi-dalam-kehidupan-manusia" rel="noopener">Manfaat Minyak Bumi dalam Kehidupan Manusia</a></strong></p>
<p style="text-align: justify;">Nah, itu tadi penjelasan tentang laju reaksi beserta faktor-faktor yang memengaruhinya. Kalau kamu masih bingung dan ingin mengetahui lebih lanjut tentang materi ini, daftar di <strong><a href="https://www.ruangguru.com/ruangbelajar" target="_blank" rel="noopener">ruangbelajar</a> </strong>deh. Di sana penjelasannya lebih lengkap dan pakai video belajar dengan animasi yang keren. Dijamin makin paham deh. Daftar sekarang juga ya!</p>
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<div class="d-lg-none text-center">
<nav class="footer-menu social">
<p class="title">Ikuti Kami</p>
<a target="_blank" href="https://www.instagram.com/ruangguru/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/instagram.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/instagram.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/instagram.png" loading="lazy" alt="Logo Instagram Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.facebook.com/ruanggurucom/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/facebook.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/facebook.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/facebook.png" loading="lazy" alt="Logo Facebook Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://twitter.com/ruangguru/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/twitter.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/twitter.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/twitter.png" loading=" lazy" alt="Logo Twitter Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.youtube.com/ruangguru">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/youtube.png?height=60&convert=webp" type="image/webp">
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<img src="https://cdn-web-2.ruangguru.com/static/youtube.png" loading=" lazy" alt="Logo Youtube Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.linkedin.com/company/ruangguru-com">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/linkedin.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/linkedin.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/linkedin.png" loading=" lazy" alt="Logo LinkedIn Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.tiktok.com/@ruangguru">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/tiktok.png?height=60&convert=webp" type="image/webp">
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<img src="https://cdn-web-2.ruangguru.com/static/tiktok.png" loading=" lazy" alt="Logo TikTok Footer" width="32px" height="32px" />
</picture>
</a>
</nav>
</div>
<p class="footer-copyright">
© 2026 All Rights Reserved PT. Ruang Raya Indonesia
</p>
</div>
<style>
.bantuan-container {
position: relative;
}
.bantuan-element {
position: fixed;
z-index: 999;
display: flex;
align-items: flex-end;
justify-content: flex-end;
cursor: pointer;
transition: all 0.6s ease;
}
.bantuan-top {
bottom: 11rem;
right: 2rem;
}
.bantuan-bottom {
bottom: 2rem;
right: 2rem;
}
.bantuan-top-2 {
bottom: 15rem;
right: 2rem;
}
.bantuan-top-3 {
bottom: 19rem;
right: 2rem;
}
.bantuan-bottom-2 {
bottom: 5rem;
right: 2rem;
}
.bantuan-bottom-3 {
bottom: 8rem;
right: 2rem;
}
@media (min-width: 768px) {
.bantuan-element img {
width: auto;
transition: all 0.4s ease;
}
.bantuan-top img {
width: 140px;
}
.bantuan-bottom img {
width: 140px;
}
.bantuan-top-2 img,
.bantuan-top-3 img {
width: 140px;
}
.bantuan-bottom-2 img,
.bantuan-bottom-3 img {
width: 140px;
}
.bantuan-element.clicked {
bottom: 9rem;
right: 2.5rem;
}
.bantuan-element.clicked img {
width: auto;
height: 64px;
}
}
@media (max-width: 767px) {
.bantuan-top {
bottom: 8rem;
right: 1rem;
align-items: center;
}
.bantuan-bottom {
bottom: 2rem;
right: 1.25rem;
align-items: center;
}
.bantuan-top-2 {
bottom: 12rem;
right: 1rem;
align-items: center;
}
.bantuan-top-3 {
bottom: 16rem;
right: 1rem;
align-items: center;
}
.bantuan-bottom-2 {
bottom: 5rem;
right: 1.25rem;
align-items: center;
}
.bantuan-bottom-3 {
bottom: 8rem;
right: 1.25rem;
align-items: center;
}
.bantuan-element img {
width: auto;
}
.bantuan-top img,
.bantuan-top-2 img,
.bantuan-top-3 img {
width: 96px;
}
.bantuan-bottom img,
.bantuan-bottom-2 img,
.bantuan-bottom-3 img {
width: 96px;
}
}
.bantuan-element:hover {
transform: scale(1.05);
}
.bantuan-element img {
max-width: 100%;
height: auto;
}
</style>
<div id="bantuan-divs-container" style="position: relative" data-product="ruangguru" data-table="rg_floating_icon"></div>
<script>
class FloatingDivsComponent {
constructor(product = 'ruangguru', table = 'rg_floating_icon') {
this.container = document.getElementById('bantuan-divs-container');
this.floatingElements = [];
this.product = product;
this.table = table;
// Configuration
this.config = {
baseApiUrl: 'https://gw.ruangguru.com/api/v3/rdb/p_ddgy8hjx5dxsqx/rg_banner/views/',
apiKey: 'vLyK3dJrDBRmOwueX2OJXibMkgsUbBk0WS4ua2p1',
maxElements: 2,
zIndexBase: 100,
};
// Build dynamic API URL based on table parameter
this.config.apiUrl = this.buildApiUrl();
this.init();
}
buildApiUrl() {
const baseUrl = this.config.baseApiUrl;
const tableName = this.table || 'rg_floating_icon';
const queryParams =
'offset=0&limit=99999&sort=rankPosition&where=(type,eq,floating)~and(showIn,anyof,blog)~and(hide,is,false)~and(product,eq,' +
this.product +
')&nested%5Bcta%5D%5Bfields%5D=Id,name,ctaId,imageUrl,ctaLink,targetUrl';
return `${baseUrl}${tableName}?${queryParams}`;
}
async init() {
try {
await this.fetchFloatingElements();
this.renderFloatingElements();
} catch (error) {
console.error('Failed to initialize floating divs component:', error);
}
}
async fetchFloatingElements() {
try {
const options = {
method: 'GET',
headers: {
'xc-token': this.config.apiKey || 'vLyK3dJrDBRmOwueX2OJXibMkgsUbBk0WS4ua2p1',
},
};
const urlNoco = this.config.apiUrl;
const response = await fetch(urlNoco, options);
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
const data = await response.json();
this.floatingElements = this.processApiResponse(data);
} catch (error) {
console.error('Error fetching floating elements:', error);
throw error;
}
}
processApiResponse(data) {
if (!data || !data.list || !Array.isArray(data.list)) {
return [];
}
console.log(data.list);
// Ensure we only get maximum 2 elements
const limitedElements = data.list.slice(0, this.config.maxElements);
return limitedElements;
}
renderFloatingElements() {
if (!this.container || this.floatingElements.length === 0) {
return;
}
// Additional safeguard: ensure we never render more than maxElements
const elementsToRender = this.floatingElements.slice(0, this.config.maxElements);
// Clean up existing elements and their event listeners
this.cleanupExistingElements();
// Clear existing content
this.container.innerHTML = '';
elementsToRender.forEach((element, index) => {
const floatingDiv = this.createFloatingDiv(element, index);
this.container.appendChild(floatingDiv);
});
}
cleanupExistingElements() {
// Clear existing elements (no need for event listener cleanup with CSS approach)
const existingElements = this.container.querySelectorAll('[data-floating-element]');
existingElements.forEach(element => {
element.remove();
});
}
createFloatingDiv(element, index) {
const div = document.createElement('div');
const cta = element.cta[0]; // Use the first CTA
// Add data attribute for cleanup tracking
div.setAttribute('data-floating-element', 'true');
// Apply CSS classes based on rankPosition
const positionClass = this.getPositionClass(element.rankPosition, index);
div.className = `bantuan-element ${positionClass}`;
div.style.zIndex = this.config.zIndexBase + index;
// Create the link and image
const link = document.createElement('a');
link.href = 'https://cta.ruangguru.com/' + cta.ctaId || '#';
link.target = '_blank';
// Add tracking attributes
link.setAttribute('data-tracking-event-type', 'landing_page__core__item_click');
link.setAttribute(
'data-tracking-context',
JSON.stringify({
product_name: this.product,
cta_action: 'redirection',
cta_action_detail: link.href,
item_type: 'floating',
item_name: element.name || 'Floating element',
item_category: 'payment',
item_position: index,
item_serial: null,
section_type: 'floating_item',
section_position: 'body',
section_name: 'floating_item',
})
);
const img = document.createElement('img');
img.src = element.imageUrl + '?h=200&convert=webp';
img.alt = element.name || 'Floating element';
img.loading = 'lazy';
// Add click tracking
link.addEventListener('click', () => {
this.trackClick(element, cta);
});
link.appendChild(img);
div.appendChild(link);
return div;
}
getPositionClass(rankPosition, index) {
// Define positioning classes based on rankPosition
if (rankPosition === 1) {
return 'bantuan-top'; // Top position
} else if (rankPosition === 2) {
return 'bantuan-bottom'; // Bottom position
} else {
// For additional elements, distribute them evenly
return `bantuan-${index % 2 === 0 ? 'top' : 'bottom'}-${Math.floor(index / 2) + 1}`;
}
}
trackClick(element, cta) {
// Implement click tracking logic here
console.log('Floating element clicked:', {
elementId: element.Id,
elementName: cta.name,
ctaId: cta.ctaId,
targetUrl: cta.targetUrl,
});
}
// Public method to manually refresh
async refresh() {
try {
await this.fetchFloatingElements();
this.renderFloatingElements();
} catch (error) {
console.error('Failed to refresh floating elements:', error);
throw error;
}
}
// Public method to get current floating elements
getFloatingElements() {
return [...this.floatingElements];
}
}
// Initialize the component when DOM is ready
document.addEventListener('DOMContentLoaded', () => {
// Get product and table parameters from data attributes
const container = document.getElementById('bantuan-divs-container');
const product = container.getAttribute('data-product') || 'ruangguru';
const table = container.getAttribute('data-table') || 'rg_floating_icon';
new FloatingDivsComponent(product, table);
});
// Export for use in other modules if needed
if (typeof module !== 'undefined' && module.exports) {
module.exports = FloatingDivsComponent;
}
</script> <div id="wp-install-nudge" style="
position: fixed;
bottom: 0rem;
right: 0;
z-index: 999;
cursor: pointer;
"></div>
<script>
(function (w, d, s, o, f, js, fjs) {
w['Sales-Nudge-Widget'] = o; w[o] = w[o] || function () { (w[o].q = w[o].q || []).push(arguments) };
js = d.createElement(s), fjs = d.getElementsByTagName(s)[0];
js.id = o; js.src = f; js.async = 1; fjs.parentNode.insertBefore(js, fjs);
}(window, document, 'script', 'wpInstallNudge', 'https://cdn-web-2.ruangguru.com/sales-nudge/6198a95130/dist/widget.js'));
wpInstallNudge('init', { targetElementId: 'wp-install-nudge', clientTarget: 'ruangguru_blog' });
</script>
<script>
// note: disabled due to auto reload page
// var lastScrollTop = 0;
// $(window).scroll(function(event){
// var st = $(this).scrollTop();
// if (st > lastScrollTop){
// $('#wp-install-nudge').slideDown( "slow", function() {});
// } else {
// $('#wp-install-nudge').slideUp( "slow", function() {});
// }
// lastScrollTop = st;
// });
// $(document).ready(function () {
// $("#wp-install-nudge").hide();
// });
$('#wp-install-nudge').click(function(){
Analytics.track("promotion__install_nudge__click",
{
user_email: "ruangguru@blog.com",
cta_link: widgetData.dataConfig.target_link
}).catch((err) => {
console.log("tracker error", err);
});
});
</script>
</footer>
<div id="__next"></div>
<script type="speculationrules">
{"prefetch":[{"source":"document","where":{"and":[{"href_matches":"\/blog\/*"},{"not":{"href_matches":["\/blog\/wp-*.php","\/blog\/wp-admin\/*","\/blog\/wp-content\/uploads\/*","\/blog\/wp-content\/*","\/blog\/wp-content\/plugins\/*","\/blog\/wp-content\/themes\/ruangguru\/*","\/blog\/*\\?(.+)"]}},{"not":{"selector_matches":"a[rel~=\"nofollow\"]"}},{"not":{"selector_matches":".no-prefetch, .no-prefetch a"}}]},"eagerness":"conservative"}]}
</script>
<script>
async function getCtaDetails(ctaIds) {
const endpoint =
" https://gw.ruangguru.com/api/v3/rdb/p_ddgy8hjx5dxsqx/CTA/views/CTA?offset=0&limit=10&where=(ctaId,in," + ctaIds.toString() + ")";
try {
const response = await fetch(endpoint, {
headers: {
"xc-token": "-hG2nBDJzSj0agSgNtcJx97M4F02y54nUMoY6plJ",
},
});
const data = await response.json();
const ctaList = data?.list || [];
const ctaMap = new Map();
for (const ctaData of ctaList) {
ctaMap.set(ctaData.ctaId, ctaData);
}
return ctaMap;
} catch (error) {
console.error("Error fetching CTA details:", error);
return new Map();
}
}
async function replaceCTA() {
const regex = /{{cta\((‘(.*?)’|“(.*?)”)\)}}/g;
const bodyHTML = document.body.innerHTML;
const matches = Array.from(bodyHTML.matchAll(regex));
const ctaIds = matches.map((match) => {
let ctaId = match[2] ?? match[3];
return ctaId;
});
const ctaMap = await getCtaDetails(ctaIds);
const replacedHTML = bodyHTML.replace(regex, (match, _inner, ctaId1, ctaId2) => {
const ctaId = ctaId1 ?? ctaId2;
const ctaData = ctaMap.get(ctaId);
if (ctaData) {
return `<a href="https://cta.ruangguru.com/${ctaData.ctaId}" target="_${ctaData.targetType}" style="position:relative;display:inline-block;">
<img src="${ctaData.imageUrl}" loading="lazy" alt="${ctaData.altText}" />
</a>`;
} else {
return match;
}
});
document.body.innerHTML = replacedHTML;
}
</script>
<meta name="author" content="Ruangguru Tech Team">
<!-- Google Tag Manager (noscript) -->
<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-PVNLZFT" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
<!-- Tracker -->
<script type="text/javascript" src="https://cdn-web-2.ruangguru.com/landing-page-web/public/staticpages/global-assets/js/cta.js"></script>
<script src="https://unpkg.com/@dotlottie/player-component@latest/dist/dotlottie-player.mjs" type="module"></script>
</body>
</html>