Homework Help: Chemistry

Posted by Silver on Monday, December 6, 2010 at 7:07pm.

A solid sample containing a simple mixture of NaHSO3 and Na2SO3 was dissolved in distilled water and titrated with a standard HCl solution. 13.88 mL was required to reach the first stoichiometric point, and an additional 45.12 mL to reach the second. What was the mass percentage of Na2SO3 present in the original sample?

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