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Answer to Question #72260 in Chemistry for nora
Question #72260
The nitrogen dioxide content of air on a particular day was 0.150 ppm by mass.
The density of the air was 1.225kgm−3.
What was the mass of nitrogen dioxide in 1m3
of air on that day?
The density of the air was 1.225kgm−3.
What was the mass of nitrogen dioxide in 1m3
of air on that day?
Expert's answer
Answer:
m = ρ · V = 1.225 · 1 = 1.225 kg
ppm = mg/kg
m (NO 2 ) = 0.150 · 1.225 = 0.184 mg
m = ρ · V = 1.225 · 1 = 1.225 kg
ppm = mg/kg
m (NO 2 ) = 0.150 · 1.225 = 0.184 mg
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