2- Calculation of Potentials of
Electrochemical Cells
At Non-Standard Conditions
EXAMPLE 1
Calculate the potential of the following cell:
CuCu2+(0.020 M) Ag+ (0.020 M) Ag
Cu2+ + 2e– Cu(s) E0 = 0.337 V
Ag+ + e– Ag(s) E0 = 0.799 V
Ecell = EAg+/Ag – E Cu2+/Cu
Ecell = 0.698 – 0.286 = +0.412 V
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