Homework Help: Chemistry 20

Posted by Cheryl on Saturday, April 30, 2011 at 5:51pm.

Sorry, the 1st part to those 2 questions are:
Hard water contains metal ions, most commonly calcium and magnesium ions. Some moderately hard water is found to contain 200ppm of calcium hydrogen carbonate.

Chemistry 20 - DrBob222, Saturday, April 30, 2011 at 6:29pm
See my response at the original question.

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