In a Classroom Demonstration of a Redox Reaction, Professor Smith

question 142

Multiple Choice

In a classroom demonstration of a redox reaction, Professor Smith set up a voltaic cell with a copper metal anode and a silver metal cathode. The two electrodes were in contact with solutions of the corresponding metal ions, Cu²⁺ and Ag⁺. During the illuminating lecture on redox chemistry, the crystals of silver metal deposited on the silver electrode as the copper solution turned a darker blue. The added silver crystals had a mass of 2.68 g after 50.0 minutes of lecture. What was the average current that the cell produced?

• A) 0.799 A
• B) 2.40 A
• C) 47.9 A
• D) 1.60 A
• E) 0.479 A

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