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Weight percent

A solid sample weighing 0.2736 g of ethylammonium chloride appreciably contaminated with ammonium chloride (but no other contaminants) required 34.20 mL of 0.08177 M NaOH for complete titration. Find the weight percent of each component in the mixture.

This was a problem on a handout that our class got, and I was really not sure how to even begin working it out...it seems like there's not really enough information to figure it out?

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