The density of nitrogen is equal to that of carbon monoxide at STP.

Name: The density of nitrogen is equal to that of carbon monoxide at STP.
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Question

Quizplus · Accepted Answer

At standard temperature and pressure (STP), both nitrogen (N2) and carbon monoxide (CO) are gases with molecular masses close enough (28.01 g/mol for N2 and 28.01 g/mol for CO) that under the ideal gas law, they occupy the same volume for a given amount of moles, thus having the same density.

The Density of Nitrogen Is Equal to That of Carbon