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September 20, 2014

Homework Help: chemistry

Posted by Fai on Friday, November 23, 2012 at 3:12pm.

A 0.682g sample of impure Na2hco3 yield a solid residue consisting of nahco3 and other solid a mass of 0.467g. What was the mass percent of nac03in sample.

I do not understand I want you step by step. Clear explain for me.

nahco3 = 84
n22hco3 = 106

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