A voltaic cell consists of a Pb>Pb2+ half-cell and a Cu>Cu2+ half-cell at 25 C. The

Chapter 18, Problem 78

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A voltaic cell consists of a Pb>Pb2+ half-cell and a Cu>Cu2+ half-cell at 25 C. The initial concentrations of Pb2+ and Cu2+ are 0.0500 M and 1.50 M, respectively. a. What is the initial cell potential? b. What is the cell potential when the concentration of Cu2+ has fallen to 0.200 M? c. What are the concentrations of Pb2+ and Cu2+ when the cell potential falls to 0.35 V?

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