Answer to Question #236580 in General Chemistry for Mickayla

Question

What is the E° _cell for the cell represented by the combination of the following half-reactions?

MnO₄^-(aq) + 8H⁺(aq) + 5e^- ↔ Mn⁺²(aq) + 4H₂O(l) E° = 1.51 V

VO₂⁺(aq) + 2H⁺(aq) + e^- ↔ VO⁺(aq) + H₂O(l) E° = 0.991 V

1. -0.52 V
2. 2.50 V
3. 0.52 V
4. -2.50 V

Answer 1

3) 0.52v