At room temperature and pressure (rtp), one mole of any gas occupies 24 dm3.
Yeast in a fermentation vessel produces 72 dm3 of carbon dioxide, measured at rtp.
Calculate how many moles of carbon dioxide are produced.
100 exam-style questions on AQA GCSE Chemistry 3.5 Use of amount of substance in relation to volumes of gases, covering 3.5.1 Volumes of gases. Each one has a worked solution and a mark scheme showing where the marks go.