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Jobsheet 13
PENETAPAN KADAR NATRIUM HIDROSULFIT DENGAN METODE IODIMETRI
Petunjuk Pengerjaan
- Jobsheet ini digunakan sebagai tugas mata kuliah praktikum kimia umum
- Mahasiswa diminta untuk melengkapi seluruh bagian jobsheet yang kosong
- Pengerjaan jobsheet berdasarkan video demonstrasi percobaan tentang penetapan kadar natrium hidrosulfit dengan metode iodimetri
- Jobsheet diprint kemudian diisi (tulis tangan) dan dikirim via google classroom dalam bentuk file scan dokumen, foto, atau pdf
A. Tujuan Praktikum : Menetapkan kadar natrium hidrosulfit dengan metode iodimetri
B. Dasar teori
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C. Alat dan bahan
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Alat |
Bahan |
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D. Langkah kerja
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Langkah kerja |
Pengamatan |
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E. Data titrasi (lihat dari video)
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Titasi ke- |
Volume titrasi sampel |
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1 |
... ml |
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2 |
... ml |
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Rata-rata |
... ml |
F. Perhitungan
Rumus penetapan kadar natrium hidrosulfit
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Catatan: Valensi
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G. Kesimpulan
Jadi kadar natrium hidrosulfit yang diperoleh berdasarkan video demonstrasi adalah ............... %
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