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April 18, 2014

Homework Help: Chemistry

Posted by Brit on Tuesday, November 13, 2012 at 6:03pm.

Stomach acid is essentially 0.10 M HCl. An active ingredient found in a number of popular antacids is CaCO3. Calculate the number of CaCO3 needed to exactly react with 250 mL of stomach acid.
CaCO3(s)+ 2HCl(aq)= CO2(g)+ CaCl2(aq)+ H20(l)

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