Chapter 18, Problem 18.35QP

Referring to the arrangement in Figure 18.1, calculate the [Cu²⁺]/[Zn²⁺] ratio at which the following reaction is spontaneous at 25°C:

$\text{Cu}(s)+{\text{Zn}}^{2+}(aq)\stackrel{}{\to }{\text{Cu}}^{2+}(aq)+\text{Zn}(s)$