A sample of nitrogen occupies 7.2 dm3 at room temperature and pressure (rtp). At rtp, one mole of any gas occupies 24 dm3.
How many moles are present in this gas sample?
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.