A voltaic cell consists of Mn/Mn2+ and Cd/Cd2+ half-cells containing equal volumes of solutions with the following initial concentrations: [Mn2+] = 0.090 M; [Cd2+] = 0.073 M.
(a) What is the initial Ecell?
1 V
(b) What is Ecell when [Cd2+] reaches 0.050 M?
2 V
(c) What is [Mn2+] when Ecell reaches 0.055 V?
3 M
(d) What are the equilibrium concentrations of the ions?
Mn2+
4 M
Cd2+
5 M