Calculate the Standard Cell Potential $E _ { \text {cell } } ^ { \circ }$

Multiple Choice

Calculate the standard cell potential ( $E _ { \text {cell } } ^ { \circ }$ ) for the reaction 2 Ag(s) + Co²⁺(aq) ? 2 Ag⁺(aq) + Co(s) . The standard reduction potentials are as follows:
Ag⁺(aq) + e^-? Ag(s)
E° = 0.8 V
Co²⁺(aq) +2 e^-? Co(s)
E° = -0.277 V

A) -1.077 V
B) 1.077 V
C) -1.877 V
D) 1.877 V
E) 1.323 V