GCSE Science | Concentration

• concentration = moles/ volume
  • concentraion: mol/dm³
  • moles: mol
  • volume: cm³
  • 1cm³ = 0.001dm³ (divide by 1000)

Question 1

Question 2

Question 3

Volume of gases at room temperature and pressure

• at room temperature and pressure, 1 mole of gas occupies 24 dm³
• the concentration of gas at r.t.p is 1/24 mol/dm³

Question 4