4.3 Electrolytic galvanizing of parts was carried out for 22 minutes at a current density of 3.0 A/dm2 with an average current efficiency for zinc of 85%. How much zinc is deposited on a part with a surface area of 2.7 dm2 during the process? What is the average coating thickness?
draw polarization curves for the electrolysis of zinc sulfate. Record the reactions occurring on the electrodes, determine the reaction products. The density of zinc is 7.14 g/cm3.

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