Practice Problems
Practice Problems
Given the following half reactions:
MnO4- + 8H+ + 5e- -->Mn2+ + 4H2O Eº = 1.51 V
Zn2+ + 2e- --> Zn Eº = -0.76 V
And information:
T = 25º C
[MnO4-] = 2.5 M
[H+] = 0.75 M
[Mn2+] = 1.0 x 10-3 M
[Zn2+] = 1.0 x 10-2 M
Calculate the cell potential with the Nernst equation.