Chapter 20, Problem 7SAQ

Refer to Table 19.1 to calculate $\Delta G°$ for the reaction.

   ${\text{2 MNO}}_{\text{4}}{}^{–}\left(aq\right)+\text{ Cd}\left(s\right)\to {\text{ 2 MnO}}_{\text{4}}{}^{\text{2}–}\left(aq\right)+{\text{ Cd}}^{\text{2}+}\left(aq\right)$

• +30.9 kJ
• −30.9 kJ
• −185 kJ
• +185 kJ