The exchange current density for a PtIFe3+,Fel+ electrode is 2.5 mA cm-I. The standard potential of the

Question:

The exchange current density for a PtIFe3+,Fel+ electrode is 2.5 mA cm-I. The standard potential of the electrode is +0.77 V. Calculate the current flowing through an electrode of surface area 1.0 cm3s a function of the potential of the electrode. Take unit activity for both ions.