The task of analytical chemistry 37

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0,2795 g sample of insecticide containing lindane only С6Н5Cl6 (mol. mass=290,8) n DDT C14H9Cl5 (mol. mass = 354,5), burned in a current of oxygen in a quartz tube, and the products (CO2, H2O and HCl) were passed through a solution NаНСО3. After acidification of the solution has allocated the chloride as AgCl weighing 0,7161 g. Calculate the percentage content of liidia and DDT in the sample.

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