a) The volume of one mole of gaseous nitrogen at standard temperature and pressure is 22.4 L. The density of liquid nitrogen at -196°C is 0.808 g/mL. What is the volume of one mole of liquid nitrogen?

34.653mL or 0.03465L

Explanation:

Density (g/mL) = mass (g) / volume (mL)

The mass of one mole of liquid nitrogen is 14g for one atom × 2 moles = 28mol.

Since density of the liquid nitrogen is 0.808 g/mL, the volume can be calculated thus:

Volume = mass/density

Volume = 28/0.808

Volume = 34.653mL

In litres, the volume will be 0.03465L

b is the correct answer

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