A current of 2 A is passed through CuSO4 solution for 965 s. The mass of copper deposited is (Cu = 63.5, F = 96500 C)

A current of 2 A is passed through CuSO₄ solution for 965 s. The mass of copper deposited is (Cu = 63.5, F = 96500 C)

A. 0.635 g

B. 0.0635 g

C. 1.27 g

D. 0.3175 g

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Answer: A. 0.635 g

\(Q=1930\) C \(=0.02\) F; Cu²⁺ needs 2F/mol, so 0.01 mol \(=0.635\) g.

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