Waec Model Questions Vol1 2025 Chemistry Question 22

Practice objective / multiple choice question 22 from the 2025 Waec Model Questions Vol1 Chemistry examination.

Waec Model Questions Vol1 2025 Chemistry Objective / Multiple Choice Medium Difficulty
Question 22 WAEC_MODEL_QUESTIONS_VOL1 • 2025 • CHEMISTRY • objective

Calcium fluoride (CaF₂) has a solubility product Ksp = 3.9×10⁻¹¹ at 25 °C. In a solution that already contains 0.010 M NaF, calculate the solubility of CaF₂ (in mol L⁻¹).

Answer Options

Correct Answer A. 3.9×10⁻⁷ M
B. 1.3×10⁻⁷ M
C. 7.8×10⁻⁸ M
D. 3.9×10⁻⁶ M
Correct Answer
A
Correct Option:
3.9×10⁻⁷ M

About This Question

This is Waec Model Questions Vol1 2025 Chemistry Question 22. It is a objective / multiple choice question from the 2025 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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