The potential difference across a cell.

The electrical resistance of a particular electrolytic cell is 5.00 Ohms. A potential difference of 50.0 volts is applied across the cell. If the cell is a copper cell, how much time will be required for 63.54 grams of copper to be deposited on the negative electrode? (Assume the valence of copper is +2).

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...Molar weight = 63.54 g/mol = 63.54/(2à?6.0225à?10^23) g/electron ...