February 23, 2017

Homework Help: Chemistry

Posted by Deanna on Tuesday, October 18, 2011 at 7:44am.

0.7g of an unknown mixture of NaHCO3 and Na2CO3 is mixed with 3mL of 12M HCl.what is the mass of NaHCO3 and Na2CO3 in the mixture of NaHCO3 and Na2CO3? Use these equations:
NaHCO3+HCl--> NaCl+CO2+H2O
mass of mixture= mass of NaHCO3+mass of Na2CO3
moles of NaCl=2(moles of Na2CO3)+1(moles of NaHCO3)

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