Question

0.3780g of organic chloro compound gave 0.5740g of silver chloride in carius method estimation. caluclate the percentage of chlorine present in the compound (at.wt Ag=108, Cl=35.5)​

Answer 1

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Calculate the percentage of chlorine present in the compound.

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Given :

Mass of organic compound is 0.3780 g.

Mass of AgCl formed = 0.5740 g

1 mol of AgCl contains 1 mol of Cl.

Thus,

Mass of chlorine in 0.5740 g of AgCl =

35.5 x 0.5740/143.32 = 0.1421 g.

∴ Percentage of chlorine = 0.1421 x 100/0.3780 = 37.6 %

Hence, the percentage of chlorine present in the given organic chloro compound is 37.6 %

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