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Calculate Ecell at 25 °C for the Following Voltaic Cell

Question 66

Multiple Choice

Calculate Ecell at 25 °C for the following voltaic cell.Ksp for NiCO3(s) is 1.42 × 10-7.
Ni(s) ∣ Ni2+(aq) [sat'd NiCO3(s) ] Calculate E<sub>cell </sub>at 25 °C for the following voltaic cell.K<sub>sp</sub> for NiCO<sub>3</sub>(s) is 1.42 × 10<sup>-7</sup>. Ni(s) ∣ Ni<sup>2+</sup>(aq) [sat'd NiCO<sub>3</sub>(s) ]    Ni<sup>2+</sup>(aq) (0.010M) ∣ Ni(s)  The half-reaction is: Ni<sup>2+</sup>(aq) + 2 e<sup>-</sup> → 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 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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