Gas Laws Fact Sheet Ideal gas lawPV = nRT Ideal gas constant R = 8.314 or R = 0.0821 Standard atmospheric pressure1 atm = 101.3 kPa Celsius to Kelvin conversionK = °C 273.15 Select the correct answer. A volleyball is full of pressurized air. The air temperature is 24.6˚C. The volleyball’s absolute pressure is 130.75 kilopascals, and its volume is 5.27 liters. How many moles of air are inside the volleyball? A. 0.278 mol B. 3.37 mol C. 3.59 mol D. 25.2 mol E. 28.0 mol