Calculate the equilibrium constant for the reaction below at 25 degrees C. Co(s) + 2 Cr^ 3+(aq) -> Co^2+(aq) + 2 Cr^2+ (aq) given the following thermodynamic information: Co^2+(aq) + 2e- -> Co(s) ||| E^o = -0.28V Cr^3+(aq) + e- -> Cr^2+ (aq) ||| E^o = -0.41V