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

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