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In the electrolysis of a 40L CuSO(4) sol...

In the electrolysis of a `40L CuSO_(4)` solution, there are two possible reactions at anode `:`
`i. Cu rarr Cu^(2+)+2e^(-)`
`ii. 2H_(2)O rarr 4H^(o+)+4e^(-)+O_(2)`
A current of `1.07 A ` is passed for 2 hours. The loss in the mass of `Cu` at anode was `1.27 g`.
`(` Atomic weight of `Cu =63.5g mol ^(1))`.
Which of the following statement`(s)` is `//` are correct ?

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