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Edexcel IGCSE Chemistry · Spec 1.34C-1.35C

Mole Calculations: Solutions & Gas Volumes

Mole calculations involving the concentrations of solutions and volumes of gases.

Chemistry revision video

Mole Calculations: Solutions & Gas Volumes

Spec 1.34C-1.35C

What you need to know

  • Calculate a concentration in moles per cubic decimetre
  • Convert between cubic centimetres and cubic decimetres
  • Use the molar gas volume

Active recall

Quick check

Answer each question before opening the answer.

How do you calculate moles from concentration and volume?

Moles = concentration (mol/dm³) × volume (dm³).

What volume does one mole of any gas occupy at room temperature and pressure?

24 dm³ (24 000 cm³).

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