ChemistryElectrolysisJAMB
How much charge is needed to deposit 1 mole of aluminium from Al³⁺ ions? (F = 96 500 C/mol)
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Answer: B. 289 500 C
Al³⁺ + 3e⁻ → Al needs 3 faradays: 3 × 96 500 = 289 500 C.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.