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April 18, 2014

Homework Help: Chemistry

Posted by Hannah on Tuesday, July 17, 2012 at 4:17pm.

Describe what hard water is and how a water softening unit works. Provide balanced chemical equations to show how sodium sulphate can remove these ions (Magnesium and Calcium).

The first was no problem, but I am having trouble trying to get through the second part balancing chemical equations. I think that the chemical formula for sodium sulphate is Na2SO4 however I don't know where to go from there.

Any help you can give me would be so great! Thanks

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