November 25, 2015

Homework Help: chemistry

Posted by Jordin on Tuesday, October 5, 2010 at 1:30pm.

A 0.2528 g sample of a mixture containing sodium carbonate and sand requires 12.32 mL of 0.2409 M HCl(aq). Assuming that the sand does not react with the HCl(aq), what percentage of the mixture is sodium carbonate?

Balanced equation:
Na2CO3(s) + 2 HCl(aq) 2 NaCl(aq) + CO2(g) + H2O(l)

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