WAEC Chemistry 2023 Objective — Question 44
Question 44 of 50 from the West African Examinations Council (WAEC) Chemistry 2023 Objective paper, with the correct answer and a full explanation.
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Determine the volume of 0.100 mol of HCl in 0.250 mol dm⁻³ solution.
- A. 20 cm3
- B. 100 cm3
- C. 200 cm3
- D. 400 cm3Correct
Explanation
Mole = Concentration (mol dm⁻³) × Volume (dm3). 0.1 mol = 0.25 mol dm⁻³ × V, so V = 0.1/0.25 = 0.4 dm3 = 400 cm3.
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