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Molar Gas Volume

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: OCR Chemistry A (H032), AS-level, 2.1.3 Amount of substance. Topic: Amount of Substance.

Key terms in this lesson

Mole
The amount of substance that contains as many particles as there are atoms in exactly 12g of carbon-12.

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