Solved

How Many Minutes Will It Take to Plate Out 2

Question 104

Multiple Choice

How many minutes will it take to plate out 2.19 g of chromium metal from a solution of Cr³⁺ using a current of 19.5 amps in an electrolyte cell?

A) 10.4
B) 625
C) 208
D) 3.47
E) 31.2

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