The electrochemical equivalent of platinum is 5... - JAMB Physics 1991 Question
The electrochemical equivalent of platinum is 5.0 x 10-7kgC-1 to plate-out 1.0kg of platinum, a current of 100A must be passed through an appropriate vessel for
A
5.6 hours
B
56 hours
C
1.4 x 104 hours
D
2.0 x 104 hours
correct option: a
m = Itz
1 = 100 x 5 x 10-7 x t
t = 20,000sec
= 5.6hrs
1 = 100 x 5 x 10-7 x t
t = 20,000sec
= 5.6hrs
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