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If 100 kWh of energy is consumed at 33V ...

If 100 kWh of energy is consumed at 33V in a copper voltameter, what is the mass of copper liberated ? Take ECE for copper as `0.33 xx 10^-6 kg C^-1` .

A

3.6 kg

B

3.3 kg

C

1 kg

D

1 mg.

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