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A sample of drinking water was found to be severely contaminated with chloroform, $CHCl_3$, supposed to be carcinogenic in nature. The level of contamination was 15 ppm (by mass).(ii) Determine the molality of chloroform in the water sample

Can you answer this question?

$1.25\times 10^{-4}m$
Hence (B) is the correct answer.
answered Jun 6, 2014