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Avogadro's Law

Avogadro's law states that equal volumes of all gases, at the same temperature and pressure, have the same number of molecules.
The molar gas volume Vm is the volume per mole of gas molecules at a stated temperature and pressure.
Many experiments are carried out at room temperature and pressure (rtp) of 20°C and 1 atm of pressure (101kPa).At rtp, 1 mole of any gas occupies 24 dm3.To calculate the volume at rtp, work out the number of moles and then multiply by 24dm3

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Specification: Edexcel Chemistry (8CH0), AS-level, Topic 5: Formulae, Equations and Amounts of Substance. Topic: Amount of Substance and Calculations.

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