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Consider the Cell: Ni ∣ Ni2+ (?M) || Cu2+ (0

Question 85

Multiple Choice

Consider the cell: Ni ∣ Ni2+ (?M) || Cu2+ (0.136 M) ∣ Cu
Ni2+/Ni E° = -0.257 V
Cu2+/Cu E° = 0.340 V
The measured potential of the cell is 0.621 V. What is [Ni2+] at 25°C?


A) 2 × 10-2 M
B) 1 M
C) 4 × 10-42 M
D) 0.05 M
E) 0.4 M

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