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April 17, 2014

Homework Help: Chem Quanti

Posted by Charmaine on Monday, January 16, 2012 at 5:50pm.

An organic pesticide (MW 183.7) is 8.43% Cl. A 0.627-g sample containing the pesticide plus inert material containing no chloride was decomposed with metallic sodium in alcohol. The liberated chloride ion was precipitated as AgCl weighing 0.0831 g. Calculate the percentage of pesticide in the sample.

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