Chapter 5, Problem 51A

Interpretation Introduction

Interpretation: Density of a substance needs to be represented.

Concept introduction: The density is defined as mass per unit volume of a substance.

Answer to Problem 51A

Density is amount of matter present in a substance in given volume.

Explanation of Solution

Quantity of matter existing in a substance in given volume is density. That is, density is ratio of mass of an object to its volume or mass per unit volume. Expression for density is as follows:

  $\text{Density=}\frac{\text{Mass}}{\text{Volume}}$

Conclusion

The unit for density is g/mL thus, for a substance with density 1 g/mL means 1 g mass of a substance has 1 mL of volume.