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April 19, 2014

Homework Help: College Chem

Posted by London on Wednesday, March 17, 2010 at 5:37pm.

Impure sample of table salt that weighed 0.8421g, when dissolved in water and treated with excess AgNO3, formed 2.044g of AgCl. What is the percentage of NaCl in the impure sample?
Do I need the molecular weight to start this equation? Where do I start?

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