9.已知Cu2+(aq)+2e-⇌Cu之標準還原電位為E°=0.337vZn2+(aq)+2e- ⇌Zn之標準還原電位為E°=-0.763V試求Zn|Zn2+(aq,1M)||Cu2+(aq,1M)|Cu之標準電動勢為若千伏特(V)?(A)0.426 (B)1.1 (C)1.53(D)2.61