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Calculate the mass of copper and volume of oxygen (at 25 C And 760mmHg) that would be produced by passing a current of 0.5 A through a CuSO4 solution between Pt electrodes for 3 hours.

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coulombs = amperes x seconds
96,485 coulombs will deposit 63.54/2 g Cu and 32/2 g oxygen at STP

1.78

n=IT/nf=0.5×10800/2×96500=0.4

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