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3 years ago

calculate the concentration in parts per million (ppm) of DDT if a sample size of 2000 g contained 0.050 g DDT

Chemistry

1 answer:

Firlakuza [10]3 years ago

4 0

Answer:

= 25 ppm

Explanation:

PPM also refers to parts per million, it represents a low concentration of a solution. It represents 0.001 gram or a milligram in a 1000 mL, which equivalent to 1 mg per liter.

Given; a sample size of 2000 g contained 0.050 g DDT

It means, 2000 mL sample contained 50 mg DDT

Therefore in ppm we get;

= 50 mg/ 2 L

= 25 mg/L

= 25 ppm

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