Ā fú jiā dé luó dìng lǜ
This law states that
o the same number of particles of all gases
o occupy the same volume at
o the same temperature and
o the same pressure.
Therefore, 1 mole of
gas (6.02 X 1023 particles of the
gas) will occupy the volume of 22.4 dm3 at
s.t.p. (standard temperature of 00C and standard
pressure of 1 atm). Since the mass of 1 mole of
gas is known as the molar mass,
this volume of 22.4
dm3 at s.t.p. is known as the
At a higher temperature of room temperature, 1 mole of
gas will occupy a larger volume of 24 dm3 at
the same pressure of 1 atm.
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