What is E°cell for a galvanic cell represented by the combination of the following half-reactions? 2Hg2+(aq) + 2e-
Hg22+(aq) E°= 0.92V
Cr3+(aq) + 
3e- Cr(s) E°= -0.74V
A) -0.18 V
B) 0.18 V
C) 1.28 V
D) 1.66 V
E) 2.12 V
Correct Answer:
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