Chapter 8, Problem 8.18E

Determine $E°$ and $\Delta G°$ for each of the following reactions.

(a) ${\text{Au}}^{3+}+2{\text{e}}^{-}\to {\text{Au}}^{+}$

(b) ${\text{Sn}}^{4+}+4{\text{e}}^{-}\to \text{Sn}$