The equilibrium constant for the reaction

Sr(s) + Mg2+(aq) <---> Sr2+(aq) +Mg(s) is 3.69 x 10^17 at 25 C. Calculate Ecell for a cell made up of Sr/Sr2+ and Mg/Mg2+ half cells.

1 answer

RT*lnK = nFEcell
Substitute and solve for Ecell.