The molar volume of any gas at 0 degree Celsius and 1 atm pressure (STP)= 22400 mL or 22.4 L
The molar volume of any gas at 0 degree Celsius and 1 bar pressure = 22700 mL or 22.7 L
The molar volume of any gas at 25 degree Celsius and 1 bar pressure (SATP) = 24800 mL or 24.8 L