Question

Calculate the standard electrode potential of a silver electrode (Ag) in contact with a solution containing 1.0 M AgNO3 and a hydrogen electrode (Pt) in contact with a solution containing 1.0 M HCl, given that the reduction potential of Ag+/Ag is +0.80V and the reduction potential of H+/H2 is 0.00V at 298K.

Answer 1

To calculate the standard electrode potential of the cell, we need to consider the reduction potentials of both half-cells. The cell reaction can be written as:Ag+ + H2  Ag + 2H+The standard electrode potential of the cell  Ecell  can be calculated using the following equation:Ecell = Ecathode - EanodeIn this case, the silver electrode  Ag+/Ag  is the cathode, and the hydrogen electrode  H+/H2  is the anode. The given reduction potentials are:E Ag+/Ag  = +0.80 VE H+/H2  = 0.00 VNow, we can plug these values into the equation:Ecell =  +0.80 V  -  0.00 V Ecell = +0.80 VThe standard electrode potential of the cell is +0.80 V.