Problem: What is the ΔG° (kJ/mol) for a spontaneous (voltaic) cell that uses the following half-reactions:                 Al+3 (aq) + 3 e- → Al (s)                E° = −1.66 Mn2+ (aq) + 2 e- → Mn (s)             E° = −1.18 A. −278           B. −232           C. −140           D. −46.3          E. 46.3

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What is the ΔG° (kJ/mol) for a spontaneous (voltaic) cell that uses the following half-reactions:                

Al+3 (aq) + 3 e- → Al (s)                E° = −1.66

Mn2+ (aq) + 2 e- → Mn (s)             E° = −1.18

A. −278           B. −232           C. −140           D. −46.3          E. 46.3

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