
elektrolisis
Quiz
•
English
•
1st Grade
•
Practice Problem
•
Hard
Lilik Ayu
Used 6+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Hitunglah massa tembaga yang diendapkan di katode pada elektrolisis larutan CuSO4 menggunakan muatan listrik sebesar 0,5 F! Ingat 1 F = 96.500 C/mol, Ar Cu = 64.
16 gram
20 gram
25 gram
28 gram
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Bila ke dalam larutan NiSO4 dialirkan listrik sebesar 0,1 F dan Ar Ni = 59, maka di katode akan diperoleh logam Ni berapa gram?
1,95 gram
2,95 gram
3,95 gram
4,95 gram
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam elektrolisis larutan Cu(NO3)2 dengan elektroda inert, 1,27 gram Cu (Ar Cu 63,5) diendapkan, volume gas yang dihasilkan di anode pada 1 atm, 0 oC adalah ....
0,224 liter
2,240 liter
1,224 liter
22,4 liter
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Dalam elektrolisis larutan CuSO4 dengan elektroda inert, dihasilkan 224 mL gas (STP) di anode, massa endapan yang didapat di katoda adalah ..... (Ar Cu 63,5)
1,56 gram
2,56 gram
1,27 gram
2,27 gram
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Larutan CuSO4 dielektrolisis dengan menggunakan arus sebesar 5 A selama 1 jam. Hitunglah massa tembaga yang dihasilkan di katode ? ( Mr = 63,5 )
1,56 gram
2,65 gram
4,56 gram
5,92 gram
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Larutan CrCl3 dielektrolisis dengan menggunakan arus sebesar 100 A selama 5 menit. Hitunglah massa logam yang dihasilkan pada katode !
3,83 gram
5,38 gram
6,35 gram
6,84 gram
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Bila larutan ZnCl2 dielektrolisis dengan menggunakan arus sebesar 10 A selama 1 jam maka Hitunglah massa Zn yang dihasilkan di katode
12,12 gram
22,12 gram
12,22 gram
12,42 gram
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