Waec Model Questions Vol1 2024 Chemistry Question 7
Practice objective / multiple choice question 7 from the 2024 Waec Model Questions Vol1 Chemistry examination.
A copper plating bath contains Cu²⁺ ions. An electrolytic cell passes a current of 0.5 A for 2 h. Because of a side reaction, only 85 % of the total charge is used for copper deposition. (i) Calculate the mass of copper deposited (in grams, to three significant figures). (ii) If the same total charge were used to deposit silver (Ag⁺ → Ag) with 100 % efficiency, what mass of silver would be deposited? Give your answer as "mass of Cu; mass of Ag".
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About This Question
This is Waec Model Questions Vol1 2024 Chemistry Question 7. It is one of the objective questions from the 2024 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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