Chapter 16.8, Problem 18PE

Interpretation Introduction

Interpretation: The validation regarding the precipitation of calcium fluoride on the addition of calcium nitrate to the solution of potassium fluoride is to be stated.

Concept introduction: The solubility product $\left(K_{\text{sp}}\right)$ is the equilibrium constant used for saturated solution and precipitate whereas for unsaturated solutions when the system is not at equilibrium, the ion product is given by $Q$.

To determine: If the precipitate of calcium fluoride forms when given amount of calcium nitrate react with $7.35\times {10}^{-3}\text{M}$ solution of potassium fluoride.