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Many Different Ways Have Been Proposed to Make Batteries →\rarr Pb E° = -0

Question 49

Short Answer

Many different ways have been proposed to make batteries. One cell is set up with copper and lead electrodes in contact with CuSO4(aq)and Pb(NO3)2 (aq), respectively. If the Pb2+ and Cu2+ concentrations are each 1.0 M, what is the overall cell potential?
Pb2+ + 2e- →\rarr Pb E° = -0.22 V
Cu2+ + 2e- →\rarr Cu E° = +0.34 V

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