One ecologically important equilibrium is that between carbonate and hydrogen carbonate ions in natural water. This standard Gibb's energies of formation of CO_(3)^(-2)(aq) and HCO_(3)^(Theta)(aq) are -527.8 kJ mol^(-1) and -586.8 kJ mol^(-1) respectively. For water, 2H_(2)O(l) +2e^(Theta) rarr H_(2)(g) +2OH^(Theta)(aq) , E_(RP)^(Theta) =- 0.83 V 2H_(2)O rarr O_(2) +4H^(+) +4e^(Theta), E_(OX)^(Theta) = - 1.23V Calculate the potential of a cell of pH = 7 in which the cell reaction is- Na_(2)CO_(3)(aq) +H_(2)O(l) rarr NaHCO_(3)(aq).+NaOH(aq)

One ecologically important equilibrium is that between carbonate and h

1.	One ecologically important equilibrium is that between carbonate and hydrogen carbonate ions in natural water. This standard Gibb's energies of formation of CO_(3)^(-2)(aq) and HCO_(3)^(Theta)(aq) are -527.8 kJ mol^(-1) and -586.8 kJ mol^(-1) respectively. For water, 2H_(2)O(l) +2e^(Theta) rarr H_(2)(g) +2OH^(Theta)(aq) , E_(RP)^(Theta) =- 0.83 V 2H_(2)O rarr O_(2) +4H^(+) +4e^(Theta), E_(OX)^(Theta) = - 1.23V Calculate the potential of a cell of pH = 7 in which the cell reaction is- Na_(2)CO_(3)(aq) +H_(2)O(l) rarr NaHCO_(3)(aq).+NaOH(aq)
Answer» `-0.22` VOLT `+0.193` volt `-0.0135` volt `+0.41` volt Answer :B