A voltaic cell consists of a pb/pb^2+ half-cell and a Cu/Cu^2+ half-cell at 25 Celsius. The initial concentrations of Pb2+ and Cu2+ are 5.10×10-2 and 1.40
Whats the cell potential when the Cu2+ conc. has fallen to .220M?
What are the conc. of Pb2+ and Cu2+ when the cell potential falls to .350V?