Chapter 13, Problem 186CP

(a)

Interpretation Introduction

Interpretation: The expected osmotic pressure of the given solution of ${\text{Fe}}_2{\left(\text{SO}\right)}_4$ and the value of $K_{\text{a}}$ for the dissociation reaction of $\text{Fe}{\left({\text{H}}_2\text{O}\right)}_6^{3+}$ is to be calculated.

Concept introduction: Osmotic pressure is the amount of pressure required to be applied across a semi-permeable membrane in order to stop the flow of solvent molecules in a solution of lower concentration to higher concentration. Osmotic pressure is a colligative property. The value of osmotic pressure is calculated by the formula.

$\pi =i\times C\times \text{R}\times T$

To determine: The expected osmotic pressure of the given solution of ${\text{Fe}}_2{\left(\text{SO}\right)}_4$

(b)

Interpretation Introduction

Interpretation: The expected osmotic pressure of the given solution of ${\text{Fe}}_2{\left(\text{SO}\right)}_4$ and the value of $K_{\text{a}}$ for the dissociation reaction of $\text{Fe}{\left({\text{H}}_2\text{O}\right)}_6^{3+}$ is to be calculated.

Concept introduction: Osmotic pressure is the amount of pressure required to be applied across a semi-permeable membrane in order to stop the flow of solvent molecules in a solution of lower concentration to higher concentration. Osmotic pressure is a colligative property. The value of osmotic pressure is calculated by the formula.

$\pi =i\times C\times \text{R}\times T$

To determine: The value of $K_{\text{a}}$ for the dissociation reaction of $\text{Fe}{\left({\text{H}}_2\text{O}\right)}_6^{3+}$.