Chapter 18, Problem 46E

(a)

Interpretation Introduction

To determine:

An explanation corresponding to the fact that the concentration of dissolved oxygen in freshwater is an important indicator of the quality of water.

(b)

Interpretation Introduction

To determine:

The graphical data that shows a variation of gas solubility with temperature and the percent solubility of ${\text{O}}_{\text{2}}$ at ${\text{30 }}^{\text{ο}}\text{C}$ as compared to ${\text{20 }}^{\text{ο}}\text{C}$ .Also, the relation of graphical data to the quality of natural water.