
Hukum Faraday 1
Authored by Pitria Rahmat
Chemistry
11th - 12th Grade
Used 239+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berapa Faraday yang diperlukan untuk mereduksi 50 gram ion kalsium menjadi logam kalsium? (Ar Ca = 40)
1,0 F
1,5 F
2,0 F
2,5 F
3,0 F
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Elektrolisis larutan AgNO3 selama 1 jam dengan kuat arus 2 ampere akan mengendapkan perak sebanyak? (Ar Ag = 108)
7,9 gram
8,06 gram
81,9 gram
108 gram
819 gram
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Kuat arus listrik sebesar 10 ampere dipakai untuk melapisi logam seng dengan 0,59 gram tembaga yang berasal dari larutan tembaga sulfat (Ar Cu = 63,5). Waktu yang diperlukan untuk melapisi logam seng itu adalah ...
0,5 jam
0,25 jam
0,025 jam
0,05 jam
0,005 jam
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Larutan ZnSO4 dielektrolisis dengan arus listrik 0,1 F selama 2 jam. Endapan Zn pada katoda adalah (Ar Zn = 65) ...
0,05 mol
0,10 mol
0,20 mol
3,27 mol
6,25 mol
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Berapa waktu yang diperlukan untuk mengendapkan 5 gram seng di katoda jika ke dalam sel yang berisi larutan seng sulfat dialirkan arus listrik sebesar 10 ampere? (Ar Zn = 65)
5 menit
10 menit
25 menit
27 menit
49 menit
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Suatu arus listrik dialirkan melalui larutan Cu2+ dapat mengendapkan 15,9 gram logam Cu. Jika diketahui Ar Cu = 63,5 dan Ar Ag = 108, maka jumlah arus listrik yang sama dapat mengendapkan Ag dari larutan Ag+ sebanyak ...
8,0 gram
16,0 gram
27,0 gram
54,0 gram
81,0 gram
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Arus yang sama dialirkan ke dalam larutan AgNO3 dan larutan CuSO4. Apabila massa Ag yang diendapkan adalah 1,08 gram, maka massa Cu yang mengendap? (Ar Cu = 63,5; Ar Ag = 108)
6,350 gram
3,175 gram
2,160 gram
1,080 gram
0,3175 gram
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