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3 solutions

Electroplating

Q. What mass of calcium can be produced by electrolysis of molten CaCl2 if a current of 7.5x103 A is applied by 48 hours. (Be careful with the units!). F 96500 C/mol.

Solved • Aug 8, 2019

Electroplating

Q. Metallic magnesium can be made by the electrolysis of molten MgCl2. How many minutes are needed to plate out 10.0 g of Mg metal from molten MgCl2, using 3.50 A of current? Mg2+ + 2e- → Mg

Solved • Aug 8, 2019

Electroplating

Q. To electrodeposit all the Cu & Cd from a solution of CuSO4 and CdSO4 required 1.30 F. The mixture of Cu and Cd that was deposited had a mass of 50.34 g. What mass of CuSO4 was in the original mixture?

Solved • Apr 22, 2019