Chapter 14, Problem 9A

Interpretation Introduction

Interpretation:

The reason for the resultant volume of the mixture to be considerable less than $100$ mL needs to be explained if water and ethanol of 50 mL volume are mixed together.

Concept introduction:

Ethanol is also called as ethyl alcohol. The molecular formula is ${\text{C}}_{\text{2}}{\text{H}}_{\text{5}}\text{OH}$ .

Water is given with the formula ${\text{H}}_{\text{2}}\text{O}$

Answer to Problem 9A

The volume of the mixture is less than 100ml.

Explanation of Solution

Reason for the volume of the mixture to be below 100 mL is that the molecules of ethanol are smaller than the molecules of water. So, the ethanol molecules get trapped between the water molecules. As a result, the total volume of mixture will be less than the expected value.