Gas volumes (24 dm³)Higher tier
AQA GCSE Chemistry calculation · part of the free Calculation Climb
At room temperature and pressure, one mole of any gas takes up 24 dm³.
How to do it — step by step
- volume (dm³) = moles × 24. (moles = volume ÷ 24)
Worked example
Volume of 0.5 mol of CO2 at rtp.
= 0.5 × 24 = 12 dm³
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