Chapter 2 Solutions || Question 2.9 || Ncert || Class 12 Chemistry
Автор: CBSE NCERT HELP
Загружено: 2024-05-21
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2.9 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.
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