Waec Model Questions Vol1 2022 Chemistry Question 6

Practice objective / multiple choice question 6 from the 2022 Waec Model Questions Vol1 Chemistry examination.

Waec Model Questions Vol1 2022 Chemistry Objective / Multiple Choice Medium Difficulty
Question 6 WAEC_MODEL_QUESTIONS_VOL1 • 2022 • CHEMISTRY • objective

Aluminium metal reacts with copper(II) sulphate pentahydrate according to the equation: 2 Al + 3 CuSO₄·5H₂O → Al₂(SO₄)₃ + 3 Cu + 15 H₂O. If 15.0 g of Al are mixed with 45.0 g of CuSO₄·5H₂O, what mass of copper metal is produced? (Molar masses: Al = 26.98 g·mol⁻¹, CuSO₄·5H₂O = 249.68 g·mol⁻¹, Cu = 63.55 g·mol⁻¹)

Answer Options

A. 11.3 g
B. 52.9 g
C. 12.0 g
Correct Answer D. 11.46 g
Correct Answer
D
Correct Option:
11.46 g

About This Question

This is Waec Model Questions Vol1 2022 Chemistry Question 6. It is one of the objective questions from the 2022 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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