Chapter 7, Problem 7.83E

Interpretation Introduction

Interpretation:

The molality of the given solution that is needed to exert an osmotic pressure of $30\text{Pa}$ at $37°\text{C}$ is to be calculated. The grams per kilogram of solvent are to be calculated.

Concept introduction:

The osmotic pressure is given by the formula given below

$\Pi \cdot \overline{V}=x_{\text{solute}}RT$

In the above expression, $\Pi$ is the osmotic pressure, $\overline{V}$ is the volume, $x_{\text{solute}}$ is the mole fraction, $T$ is temperature and $R$ is the gas constant.