Chapter 19, Problem 32QP

What is the emf of a cell consisting of a ${\text{Pb}}^{\text{2-}}{\text{/Pb half-cell and a Pt/H}}^{\text{-}}{\text{/H}}_{\text{2}}$ half-cell if $\left[{\text{Pb}}^{\text{2-}}\right]\text{ = 0}\text{.10 }M\text{, }\left[\text{H}\right]\text{ = 0}\text{.050}M{\text{, and P}}_{{\text{H}}_{\text{2}}}\text{=1}\text{.0 atm?}$