The electrochemical equivalent of a metal is 0.126 x 10-6 kgC-1. The mass of the...

JAMB 1983

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

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Correct Answer: Option E

Explanation

m = Itz

= 5 x 3600 x 0.126 x 10^-6

= 2.268 x 10^-3kg

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The electrochemical equivalent of a metal is 0.126 x 10-6 kgC-1. The mass of the...

Correct Answer: Option E

Explanation

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