A sample of drinking water was found to be severely contaminated with chloroform (CHCl 3 ) supposed to be a carcinogen. The level of contamination was 15 ppm (by mass). Express this in percent by mass

Question

A sample of drinking water was found to be severely contaminated with chloroform (CHCl 3 ) supposed to be a carcinogen. The level of contamination was 15 ppm (by mass). Express this in percent by mass, 6.4×10 –3 %, 0.5×10 –3 %, 3.4×10 –3 %, 1.5×10 –3 %

MARKS App · Accepted Answer

Correct Option is : (D) 1.5×10 –3 %

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