20. Solving a chemistry problem
66. Pollutants are considered to have no harmful effect if their amount in the air does not exceed a certain limit value. So, the content in 1 m3 of air is allowed 0.085 mg of nitrogen oxide, (IV) 3.0 mg of carbon monoxide (II), 0.050 mg of sulfur oxide (IV), 0.0080 mg of hydrogen sulfide. Inhaling how much (in moles) of each of these substances per day is not hazardous to health? The rate of air consumption for breathing in adult men is 10 m3 per day.
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