Calculate the precent (by volume) of air that would be displaced if all of the liquid nitrogen evaporated...?

A 1.5-L container of liquid nitrogen is kept in a closet measuring 1.0 m by 1.3 m by 1.8 m. uming that the container is completely full, that the temperature is 22.0 degrees C, and that the atmospheric pressure is 1.2 atm. Liquid nitrogen has a density of 0.807 g/mL.