Chapter 11, Problem 58E

Consider the cell described below:
${\text{Zn|Zn}}^{\text{2+}}\text{(1}\text{.00}M\text{)|}{\text{|Cu}}^{\text{2+}}\text{(1}\text{.00}M\text{)|}\text{Cu}$
Calculate the cell potential after the reaction has operatedlong enough for the ${\text{[Zn}}^{\text{2+}}\text{]}$ to have changed by0.20 mol/L. (Assume $T=25°C$ .)