The density of a gaseous compound of nitrogen and oxygen is 4.11 g/L at STP. What is the most likely formula of this gas?

Name: The density of a gaseous compound of nitrogen and oxygen is 4.11 g/L at STP. What is the most likely formula of this gas?
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Quizplus · Accepted Answer

The molar volume of a gas at STP is 22.4 L/mol. The molar mass of the gas can be calculated as 4.11 g/L * 22.4 L/mol = 92.06 g/mol, which is closest to the molar mass of N2O4 (92.02 g/mol).

The Density of a Gaseous Compound of Nitrogen and Oxygen