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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