1) Nernst Equation Applied to Half-Reactions
The Nernst equation can be applied to half-reactions.
a) Calculate the reduction potential (at 25°C) of the half-cell Cu/Cu2+ (2.8 M).
(The half-reaction is Cu2+ + 2e- –> Cu.)
b) Calculate the reduction potential (at 25°C) of the half-cell MnO4- (1.50×10-1 M)/ Mn2+ (2.30×10-2 M) at pH = 2.00.
(The half-reaction is MnO4- + 8H+ + 5e- –> Mn2+ + 4H2O.)
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