Given $E_{C{r^{3 + }}/Cr}^o$ = -0.72 V; $E_{Fe^{2+}/Fe}^o$ = -0.42V, The potential for the cell Cr | Cr3+ (0.1M) || Fe2+ (0.01 M)

Question

Given $E_{C{r^{3 + }}/Cr}^o$ = -0.72 V; $E_{Fe^{2+}/Fe}^o$ = -0.42V, The potential for the cell Cr | Cr³⁺ (0.1M) || Fe²⁺ (0.01 M) | Fe is

0.26 V