An aerosol spray can with a volume of 250 mL contain 2.30 g of propane gas (C3H8)

Question:

An aerosol spray can with a volume of 250 mL contain 2.30 g of propane gas (C3H8) as a propellant.
(a) If the can is at 23oC, what is the pressure in the can?
(b) What volume would the propane occupy at STP?
(c) The can's label says that exposure to temperatures above 130oF may cause the can to burst. What is the pressure in the can at this temperature?