For the reaction 2Co3+(aq)+2Cl?(aq)?2Co2+(aq)+Cl2(g). E?=0.71 V what is the cell potential at 25 ?C if the concentrations are [Co3+]= 0.852M , [Co2+]= 0.545M , and [Cl?]= 0.313M and the pressure of Cl2 is PCl2= 6.10atm ? Express your answer with the appropriate unit