Waec Model Questions Vol1 2017 Chemistry Question 50
Practice objective / multiple choice question 50 from the 2017 Waec Model Questions Vol1 Chemistry examination.
In an electrolytic cell, a 0.500 M CuSO₄ solution is electrolyzed using a copper anode and an inert cathode. A constant current of 5.00 A is passed for 1.00 h. (a) Calculate the theoretical mass of copper deposited on the cathode. (b) If the actual mass collected is 5.70 g, determine the current efficiency of the process (as a percentage).
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This is Waec Model Questions Vol1 2017 Chemistry Question 50. It is one of the objective questions from the 2017 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
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