Chapter 12.5, Problem 12.5CC

Interpretation Introduction

Interpretation:

The type of liquid that can be added to water to make it boil below the temperature $100°C$ has to be suggested.

Concept Introduction:

Boiling point of a liquid substance is defined as the temperature at which the vapor pressure of the liquid becomes equal to the atmospheric pressure.

Vapor pressure refers to the pressure exerted by the molecules in vapor phase.