For a cell with E° = +0.118 V and n = 2, K at 25 °C is approximately
- A
≈ 10⁻⁴
- B
≈ 10²
- C
≈ 1
- Dcheck_circle
≈ 10⁴
Explanation
log K = nE°/0.0592 = 2(0.118)/0.0592 = 4 → K ≈ 10⁴.
Cell Potential and Free Energy
AP Chemistry· difficulty 4/5
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