36.Level of contamination of CHCl3 in water is 15 ppm then prove that molality of CHCl3 is 0.000125 m.

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Q. A sample of drinking water was found to be severely contaminated with chloroform

C H {C l}_{3}

, supposed to be carcinogenic in nature. The level of contamination was 15 ppm (by mass).
(i) Express this in percent by mass.
(ii) Determine the molality of chloroform in the water sample.

A sample of drinking water was found to be severely contaminated with chloroform (CHCl₃). Supposed to be carcinogenic in nature. The level of contamination was 15 ppm (by mass).

(i) Express this in percentage by mass.

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Q. A sample of drinking water was found to be severely contaminated with chloroform

(C H C l_{3})

supposed to be a carcinogen. The level of contamination was

15 p p m

(by mass):

(i) express this in percent by mass

(ii) determine the molality of chloroform in the water sample.

QUESTION 2.9(i)

A sample of drinking water was found to be severely contaminated with chloroform $(C H C l_{3})$ supposed to a carcinogen. The level of contamination was 15 ppm (by mass):

(i) Express this in per cent by mass.

(ii) Determine the molality of chloroform in the water sample.

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