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March 1, 2015

Homework Help: Chemistry

Posted by Vova on Tuesday, November 9, 2010 at 6:28pm.

You weigh out 10.000 g of a mixture of NaHCO3 and Na2CO3 and add an excess of HCl. After the reaction is over, you evaporate off the water and collect the solid, which is found to weigh 9.400 g. How many grams of the original mixture were NaHCO3?

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