posted by Mani .
if you have 24.00grams of O2 at 30 degrees Celsius, 204 KPa. how many liters of O2 do you have?
Use PV = nRT
Remember T must be in kelvin. I would convert kPa to atm.
n = 24.00/molar mass O2 at STP. Solve for V in liters.