Waec 2022 Chemistry Question 30

Practice objective / multiple choice question 30 from the 2022 Waec Chemistry examination.

Waec 2022 Chemistry Objective / Multiple Choice 2 Difficulty

Question 30 WAEC • 2022 • CHEMISTRY • objective

If \( 50 \text{cm}^{3} \) of a saturated solution of \( \mathrm{KNO}_{3} \) at \( 40^{\circ} \mathrm{C} \) contained 5.05 g of the salt, its solubility at the same temperature would be \( \left[\mathrm{KNO}_{3}=101\right] \).

A. 1.0 mol \text{dm}^{-3}.

B. 1.5 mol \text{dm}^{-3}

Correct Answer C. 2.0 mol \text{dm}^{-3}.

D. 5.0 mol \text{dm}^{-3}

Correct Answer

Correct Option:

2.0 mol \text{dm}^{-3}.

This is Waec 2022 Chemistry Question 30. It is one of the objective questions from the 2022 Waec Chemistry examination.

Difficulty level: 2 .

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