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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

Options

  1. A6.4×10 –3 %
  2. B0.5×10 –3 %
  3. C3.4×10 –3 %
  4. D1.5×10 –3 %

Correct answer

D. 1.5×10 –3 %

Step-by-step solution

Correct Option is : (D) 1.5×10 –3 %

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