Calculate the potential delivered by a voltaic cell operating by the following reaction if all of the dissolved species have a concentration of 0.035 and the pressure of H2 (g) is 1.00 atm. The standard cell potential is 0.392 V.
Zn(s) 2 H2O (l) 2 OH- (aq) -> Zn(OH)42- (aq) H2 (g)