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 one of the objective questions from the 2025 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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