A charge of one coulomb liberates 0.0033g of copper in an electrolytic process. How long...

JAMB 1985

A charge of one coulomb liberates 0.0033g of copper in an electrolytic process. How long will it take a current of 2A to librate 1.98g of copper in such a process?

A. 5 mins
B. 30 mins
C. 50 mins
D. 60 mins
E. 120 mins

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Correct Answer: Option A

Explanation

0.0033g = 1 coulomb

1.98gs = 1.98 x 1

= 600 cou.

Q = It

600 = 2 x t

t = 300sec = 5 mins

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A charge of one coulomb liberates 0.0033g of copper in an electrolytic process. How long...

Correct Answer: Option A

Explanation

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