Figbox
Sign up

Moles of gas from magnesium and acid sim

Weigh magnesium ribbon, drop it into hydrochloric acid and collect the hydrogen in a gas syringe. Plot the volume against moles of magnesium to measure 24 dm³ per mole, and watch the line level off when the acid runs out.

The mole: molar gas volume and limiting reactants · covers the O-Level, IGCSE, GCSE topic

Live, not a video. Anyone can unlock 2 figures free; a free account unlocks up to 5 and keeps them in your dashboard.

Use it in your lessons

  • Try it here: anyone can unlock 2 figures free, and a free account unlocks up to 5. Runs on a laptop, a Chromebook or a phone; nothing to install.
  • Present it and share student links with the teacher plan, from US$5 a month, billed yearly.
  • Put it on your own website or LMS for US$9, paid once, or every sim from US$29 a month.

Free guide: 12 practicals as sims, and how to run one in a lesson →

Need a version for your exact set-up? Have one made: US$49 a figure in an order of 5.

More chemistry sims