52 Chromium plating is applied by electrolysis to objects

Last updated: 7/4/2023

52 Chromium plating is applied by electrolysis to objects suspended in a dichromate solution according to the following unbalanced half reaction Cr 0 2 aq e H aq Cr s H O 1 How many hours would it take to apply a chromium plating of thickness 2 0 x 10 2 mm to a car bumper of surface area 0 25 m in an electrolysis cell carrying a current of 75 0A Density of chromium is 7 19 g cm 2 1 5 h 3 3 0 h 4 0 25 h 1 2 2 h