Question

Calculate emf of the cell:

Zn()|Zn2+(aq)||Ag+(aq)|Ag() if EZn2+ = -0.76v and EAg+ = 0.80v

Answer 1

Zn()|Zn2+(aq)||Ag+(aq)|Ag();

E°cell = +0.80 - (-0.76)

= +1.56V