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OpenStudy (anonymous):
A sample that is 74.5 percent chloride by mass is dissolved in water and treated with an excess of AgNO3. If the mass of AgCl precipitate is 1.225g, what was the mass of original sample?
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OpenStudy (anonymous):
(1.225 g AgCl) / (143.3212 g AgCl/mol) x (1 mol Cl / 1 mol AgCl) x (35.4532 g Cl/mol) / (0.745) = 0.4067 g
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