ChemistryElectrolysisJAMB
What mass of copper is deposited by 0.2 faraday of electricity from Cu²⁺ ions? (Cu = 64)
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Answer: D. 6.4 g
Cu²⁺ needs 2 F per mole, so 0.2 F deposits 0.1 mol = 6.4 g.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.