A chemist wishes to determine the concentration of CrO-24 electrochemically. A cell is constructed consisting of a saturated calomel electrode and a silver wire coated with Ag2CrO4. The G∘ value for the following half-reaction is +0.446 V relative to the standard hydrogen electrode: Ag2 CrO4 +2e−⟶2Ag+CrO-24.
Calculate GcellGcell and ΔG at 25∘C for the cell reaction when [CrO-24]=1.00 mol/L.