A solution containing the following was prepared: 0.12 M Pb^2+, 1.5 x 10^-6 M Pb
ID: 776252 • Letter: A
Question
A solution containing the following was prepared: 0.12 M Pb^2+, 1.5 x 10^-6 M Pb^4+, 1.5 x 10^-6 M Mn^2+, 0.12 M MnO4-, and 0.89 M HNO3. For this solution, the following balanced reduction half-reactions and overall net reaction can occur. A) Determine Edegree cell, delta G degree , and K for this reaction. B)Calculate the value for the cell potential, Ecell, and the free energy, delta G, for the given condition. C) Calculate the value of Ecell for this system at equilibrium. D) Determine the pH at which the given concentrations of Pb^2+, Pb^4+, Mn^2+, and MnO4- would be at equilibrium.Explanation / Answer
A)