What will be molarity of chloroform in the water sample which contains 15ppm chloroform by mass? (mass of chloroform=119.5)

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Q. What will be the molality of chloroform in the water sample which contains 15 ppm chloroform by mass?

Q. A water sample contains 0.10 ppm of chloroform. How many molecules of chloroform will be present in 0.5 mL of this water?

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 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 a carcinogen. 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.

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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