A sample of methanol, CH3OH, is introduced into an evacuated chamber with a movable piston. The pres — States of Matter Chemistry Question

A sample of methanol, CH₃OH, is introduced into an evacuated chamber with a movable piston. The pressure is measured as a function of the volume of the container while the temperature is maintained at 50 ºC, and the graph below is obtained.

Which statements are correct?
I. At volumes less than 60 mL, only liquid methanol is present.
II. At volumes greater than 60 mL, only gaseous methanol is present.