?(a) Explain why the concentration of dissolved oxygen in freshwater is an important indicator of the quality of the water. (b) Find graphica

Chapter 18, Problem 18.48

(choose chapter or problem)

(a) Explain why the concentration of dissolved oxygen in freshwater is an important indicator of the quality of the water.

(b) Find graphical data in the text that show variations of gas solubility with temperature, and estimate to two significant figures the percent solubility of \(\mathrm{O}_{2}\) in water at \(30^{\circ} \mathrm{C}\) as compared with \(20^{\circ} \mathrm{C}\). How do these data relate to the quality of natural waters?

Text Transcription:

{O}_{2}

30^{\circ} C

20^{\circ} C

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