Answer :

[tex]N_{2}[/tex] has the density of 1.37g/L at 7°C and 0.987 atm pressure.

According to ideal gas equation PM=dRT,

Here P=0.987atm , d= 1.37g/L, T=7°C=280K

so M=[tex]\frac{1.37*280*0.0821}{0.987}[/tex] = 24 g/mol

What is a ideal gas?

A gas which obey PV=nRT equation and also has negligible volume, and no intermolecular interaction is known as ideal gas.

What is density ?

Density is the ratio of mass and volume.

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