The electrochemical equivalent of a metal is 0.126 x 10-6 kgC-1. The mass of the metal that a current of 5A will deposit from a suitable bath in 1 hour is
A
0.0378 x 10 -3kg
B
0.227 x 10 -3kg
C
0.378 x 10 -3kg
D
0.595 x 10 -3kg
E
2.268 x 10 -3kg
Verified Correct Answer: E.
Physical Principles & Numerical Solution
m = Itz
= 5 x 3600 x 0.126 x 10-6
= 2.268 x 10-3kg
Source: Myschool Past Questions Archive (Record #28855)