Chapter 7, Problem 7.10E

Interpretation Introduction

Interpretation:

The activity of liquid ${\text{H}}_{\text{2}}\text{O}$ of a multicomponent solution in which the vapor pressure of ${\text{H}}_{\text{2}}\text{O}$ is $748.\text{2 mmHg}$ at $100.{\text{0 }}^{\text{ο}}\text{C}$ is to be calculated.

Concept introduction:

The activity in a mixture is defined as the measure of the “effective concentration” of a species. In condensed phases, the activity of a pure substance is unity.