For the reaction 2Co3+(aq) + 2Cl-(aq) -> 2Co2+(aq) + Cl2(g). E = 0.483 V what is the cell potential at 25 °C if the concentrations are [Co3+] = 2.00x10^-3 M, [Co2+] = 0.319 M, and [Cl-] = 0.148 M, and the pressure of Cl2 is PCl2 = 2.40 atm ? Express your answer with the appropriate units.