Nicholas Y.

asked • 03/19/18

water that contains ca2+

Water containing Ca2+ and Mg2+ ions is called hard water and is unsuitable for some household and industrial use because these ions react with soap to form insoluble salts. One way to remove the Ca2+ ions from hard water is by adding washing soda (Na2CO3). The molar solubility of CaCO3 is 9.3×10-5 M. What is its molar solubility in a 0.050 M Na2CO3 solution?

1 Expert Answer


J.R. S. answered • 03/20/18

Ph.D. in Biochemistry--University Professor--Chemistry Tutor

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