ChemistryElectrolysisWAEC
The mass of copper deposited by 0.2 mol of electrons (Cu = 64, Cu²⁺) is
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Answer: D. 6.4 g
2 mol electrons deposit 64 g; 0.2 mol deposit 6.4 g.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.