Calculate E_cell at 25 °C for the Following Voltaic Cell

question 88

Multiple Choice

Calculate E_cell at 25 °C for the following voltaic cell.K_sp for NiCO₃(s) 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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