Post Utme Madonna University 2018 Chemistry Question 32

Practice objective / multiple choice question 32 from the 2018 Post Utme Madonna University Chemistry examination.

Post Utme Madonna University 2018 Chemistry Objective / Multiple Choice

Question 32 POST_UTME_MADONNA_UNIVERSITY • 2018 • CHEMISTRY • objective

The solubility of a sparingly soluble salt, CaF2, is 1.2 × 10^\( -5 \) mol/L at 25°C. If 100 mL of a 0.1 M Ca(NO3)2 solution is mixed with 100 mL of a 0.1 M HF solution, what is the concentration of CaF2 that will precipitate out of the solution?

Answer Options

Correct Answer A. \( 1.2 \times 10^{-5} \) mol/L

B. \( 1.2 \times 10^{-6} \) mol/L

C. \( 1.2 \times 10^{-4} \) mol/L

D. \( 1.2 \times 10^{-3} \) mol/L

Correct Answer

Correct Option:

\( 1.2 \times 10^{-5} \) mol/L

About This Question

This is Post Utme Madonna University 2018 Chemistry Question 32. It is one of the objective questions from the 2018 Post Utme Madonna University Chemistry examination.

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