The maximum allowable concentration of h2sg in air is 20 mg, Ask an Expert

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The maximum allowable concentration of H2S(g) in air is 20 mg per kilogram of air (20 ppm by mass). How many grams of FeS would be required to react with hydrochloric acid to produce this concentration at 1.00 atm 25 °C and in an average room measuring 12 ft X 20 ft X 8 ft? (Under these conditions, the average molar mass of air is 29.0 g/mol.)

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