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Q. 2.9 A sample of drinking water was found to be severely contaminated with chloroform supposed to be a carcinogen. The level of contamination was
(by mass):
(ii) determine the molality of chloroform in the water sample.
Answers (1)
Moles of chloroform :
Mass of water is . (Since contamination is 15 ppm)
So molality will be :
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