Question: A voltaic cell is based on this reaction: 3Pb + 2V3+ ( 3Pb2+ + 2V If the voltage of the cell is 0.72 V, what

A voltaic cell is based on this reaction:
3Pb + 2V3+ ( 3Pb2+ + 2V
If the voltage of the cell is −0.72 V, what is the standard reduction potential of the V3+ + 3e− ( V half reaction?

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