For the Reaction: Mg(s)+ AgNO₃(aq)→ Ag(s)+ Mg(NO₃)₂(aq)

For the reaction: Mg(s) + AgNO₃(aq) → Ag(s) + Mg(NO₃) ₂(aq)
Ag⁺(aq) + e^- → Ag(s) E° = 0.800 V
Mg²⁺(aq) + 2 e^- → Mg(s) E° = -2.356 V
For the reaction,determine E° for the cell.

A) 1.556 V
B) -3.156 V
C) 3.156 V
D) 0.800 V
E) 2.356 V