4. Use the Debye-Huckel limiting law and the Nernst equation to estimate the potential of the cell at 25℃: Ag(s)AgBr(s)IKBr(aq,0.05 mol ) II Cd(NO3)2(aq,0.015 mol )I Cd(s) Given that Eθ(, Cd) = -0.40 V, Eθ(AgBr, Ag) = +0.0713 V. (20%)