Calculate the mass of the copper deposited during electrolysis when a current of 4A passes through a copper salt for 2 hours. [Ece of Copper z=3.3×10-7kgC-1]
-
A.
2.9×105kg -
B.
9.5×10-7kg -
C.
9.5×10-3kg -
D.
2.9×104kg
Correct Answer: Option C
Explanation
Mass = ZIT kg
Mass = 3.3 x 10-7 x 4 x 2 x 60 x 60 kg
Mass = 9.5 x 10-3kg
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