A drinking water source is found to be excessively "hard" with high levels of calcium and magnesium ions. Which choice below would be the best way to reduce this?KspOH-CO32-Ca2+2.5x10-141.8x10-14Mg2+1.6x10-135.0x10-10 fluoridate the water chlorinate the water carbonate the water raise the pH to about 12

Answered: A drinking water source is found to be…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter14: Acids And Bases

Section: Chapter Questions

Problem 118QRT

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A drinking water source is found to be excessively "hard" with high levels of calcium and magnesium ions. Which choice below would be the best way to reduce this?

Ksp	OH^-	CO₃^2-
Ca²⁺	2.5x10^-14	1.8x10^-14
Mg²⁺	1.6x10^-13	5.0x10^-10

	fluoridate the water
	chlorinate the water
	carbonate the water
	raise the pH to about 12

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