Waec Model Questions Vol1 2021 Chemistry Question 5
Practice essay / theory question 5 from the 2021 Waec Model Questions Vol1 Chemistry examination. This question covers Stoichiometry, Limiting reagent, Percent yield .
A laboratory experiment involves the reaction 2 Al(s) + 3 CuSO₄(aq) → Al₂(SO₄)₃(aq) + 3 Cu(s) A student weighs 15.0 g of aluminium metal and 30.0 g of copper(II) sulphate pentahydrate (CuSO₄·5H₂O). The molar masses are: Al = 26.98 g mol⁻¹, CuSO₄·5H₂O = 249.7 g mol⁻¹, Al₂(SO₄)₃ = 342.2 g mol⁻¹, Cu = 63.55 g mol⁻¹. After the reaction is complete, the student isolates and weighs 24.5 g of copper metal. Answer the following questions:
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This is Waec Model Questions Vol1 2021 Chemistry Question 5. It is one of the essay questions from the 2021 Waec Model Questions Vol1 Chemistry examination.
The question covers Stoichiometry, Limiting reagent, Percent yield .
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