The minimum mass of Na 2 SO 4 that is required to form a precipitate is to be calculated. Concept Introduction: The chemical equation which occurs at equilibrium represents the dissolving of an ionic compound is termed as solubility product constant ( K sp ) . The solubility of the compound can be measured with the help of K sp . If value of K sp is large, it indicates that compound is very soluble. If value of K sp is small, it indicates that compound is not very soluble. The units of molar solubility ( s ) is moles per liter ( mol / L ) . The precipitation will take place when ionic product exceeds the solubility product constant.

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Chapter 15, Problem 106E

Interpretation Introduction

Interpretation: The minimum mass of Na2SO4 that is required to form a precipitate is to be calculated.

Concept Introduction: The chemical equation which occurs at equilibrium represents the dissolving of an ionic compound is termed as solubility product constant (Ksp).

The solubility of the compound can be measured with the help of Ksp.

If value of Ksp is large, it indicates that compound is very soluble.

If value of Ksp is small, it indicates that compound is not very soluble.

The units of molar solubility (s) is moles per liter (mol/L).

The precipitation will take place when ionic product exceeds the solubility product constant.

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