What Mass of Chromium Could Be Deposited by Electrolysis of an Aqueous

question 85

Multiple Choice

What mass of chromium could be deposited by electrolysis of an aqueous solution of Cr₂(SO₄) ₃ for 160 min using a constant current of 15.0 A? Assume 100% current efficiency.(F = 96485 C/mol)

• A) 0.431 g
• B) 25.9 g
• C) 232.8 g
• D) 0.187 g
• E) 38.8 g

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