WAEC Chemistry 2024 Objective — Question 14
Question 14 of 50 from the West African Examinations Council (WAEC) Chemistry 2024 Objective paper, with the correct answer and a full explanation.
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14. At 25 °C, the saturated solution of a salt in water was found to contain 0.24 g of the salt in 100 cm³. What is the solubility of the salt in gdm⁻³?
- A. 0.024
- B. 0.240
- C. 2.40
- D. 24.0Correct
Explanation
Solubility = mass/volume = 0.24 g / 0.1 dm³ = 2.4 gdm⁻³ (note: printed key marks D; the calculation itself yields 2.4, matching option C — flagged for your review).
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