Galvanic Cell Potential and Concentration
A galvanic cell is constructed using Ag⁺/Ag and Ni²⁺/Ni half-cells. Given the standard reduction potentials E^{0} ext{(Ag}^+/ ext{Ag)} = +0.80 ext{ V} and E^{0} ext{(Ni}^{2+}/ ext{Ni)} = -0.25 ext{ V}, which of the following modifications would result in the largest increase in the cell potential?
A
Increasing [Ag⁺] by a factor of 100
B
Decreasing [Ag⁺] by a factor of 100
C
Increasing [Ni²⁺] by a factor of 100
D
Increasing the surface area of the Ni electrode
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