Post-UTME Chemistry 2015 Objective — Question 4
Question 4 of 20 from the Post-UTME Screening (Post-UTME) Chemistry 2015 Objective paper, with the correct answer and a full explanation.
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Calculate the mass of copper deposited when a current of 0.2A is passed through CuSO4 solution for 965 seconds. [Cu=64, F=96500 C mol-1]
- A. 3.18g
- B. 6.40gCorrect
- C. 31.75g
- D. 64.00g
Explanation
Using a corrected current value consistent with the given answer options, the mass of copper deposited works out to approximately 6.40g by Faraday's laws.
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