41. Solution to Chemistry Problem
15. During t minutes, a part with a working surface of S dm2 was coated at a current of I, A. Calculate the average coating thickness (μm) if the metal current output (W) is known. Calculate the average cathode current density of coating application (A/dm2)
Me t, min S, dm2 W, % d, kg/dm3 I, A
Cr 4 60 13 7.2 3000
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