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Calculate Ecell at 25°C for the Following Voltaic Cell

Question 29

Multiple Choice

Calculate Ecell at 25°C for the following voltaic cell. Ksp for NiCO3 is 1.42 × 10-7. Ni(s) ∣ Ni2+(aq) [sat'd NiCO3(s) ] || Ni2+(aq) (0.010M) ∣ Ni(s)
The half-reaction is: Ni2+(aq) + 2 e- → Ni(s) E° = -0.257 V


A) +0.257 V
B) -0.257 V
C) 0.000 V
D) +0.0844 V
E) +0.0422 V

Correct Answer:

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