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Molar Volume of a Gas Inquiry Guidance & AP* Chemistry Curriculum Alignment Transition Guide


Avogadro, Boyle, Charles and Dalton—these scientists and their gas laws are well known. Together their work defined the relationships among four macroscopic gas properties: pressure, volume, temperature and the number of moles of gas. The gas laws have applications in physiology, meteorology, scuba-diving, and even hot-air ballooning or airbag construction. How much gas must be generated to fill a hot air balloon or an airbag? The amount of gas needed to fill any container can be calculated if we know the molar volume of the gas. Answering this general question requires knowledge of all of the gas laws (ABCs +D)!


  • Gases
  • Molarity
  • Volume
  • Gas Laws