Objective 14. Apply oxidationreduction reaction ...
(iv) 100 mA of current is passed through the cell for 30 min. Calculate the mass of Cr that is plated onto the car part. Formulas to use: I = Q/t and Q = n F 2. Use an electrolytic cell to gold plate an iron ring. Draw a cell diagram to show how to plate the ring with gold. Label the anode and cathode.