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7 g of a sample of sodium chloride on tr...

7 g of a sample of sodium chloride on treatment with excess of silver nitrate gave 14.35 g of AgCl. The percentage of NaCl in the sample is

A

80

B

50

C

65.8

D

83.5

Text Solution

Verified by Experts

The correct Answer is:
D
`NaCl+AgNO_(3)rarrAgCldarr+NaNO_(3)`
58.5g ________ 143.5g
5.85g _______ 14.35g
% purity of NaCl = `(5.87)/(7)xx100=83.57`
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