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August 29, 2014

Homework Help: chemistry

Posted by b on Wednesday, May 9, 2012 at 10:31pm.

A .500 g sample of impure CaO (a solid) is added to 50.0 mL of 0.100 M HCl. The excess HCl is titrated by 5.00 mL of .125 M NaOH. What is the percentage of CaO in the sample?

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