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AP Chemistry/Unit 9: Applications of Thermodynamics
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Electrochemical Cell Potential and Concentration

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For the electrochemical cell represented as Al(s)∣Al3+(aq)∣∣Fe2+(aq)∣Fe(s)\text{Al}(s)|\text{Al}^{3+}(aq)||\text{Fe}^{2+}(aq)|\text{Fe}(s), which of the following changes would cause the greatest increase in the cell potential?

A

Decreasing [Fe²⁺] by a factor of 1000

B

Decreasing [Al³⁺] by a factor of 1000

C

Increasing [Fe²⁺] by a factor of 1000

D

Increasing [Al³⁺] by a factor of 1000

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