Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Section
Calculating the volume of a certain number of moles
19 practice questions
Practice questions
1–8 of 8 · Easy
Question 1
1 mark · Easy
Answer and check →What is the volume, in dm³, of 2 moles of a gas at room temperature and pressure (rtp)?
Question 2
3 marks · Easy
Answer and see the solution →A student records the volume of a sample of hydrogen gas as 1800 cm³. Answer the following:
(a)[1 mark]State the conversion factor from dm³ to cm³.
(b)[2 marks]Convert 1800 cm³ to dm³.
Question 3
2 marks · Easy
Answer and see the solution →State the volume occupied by 1 mole of oxygen gas at room temperature and pressure (rtp) in cm³. Show your answer with the correct unit.
Question 4
2 marks · Easy
Answer and see the solution →Explain why 2 moles of argon gas at rtp have twice the volume of 1 mole of argon gas at rtp. Use your knowledge of molar volume in your answer.
Question 5
3 marks · Easy
Answer and see the solution →The table below shows the volumes of gases. Complete the table by filling in the missing values.
Gas Volume (cm³) Volume (dm³) Nitrogen 2200 Helium 1.5 Chlorine 1400 Question 6
1 mark · Easy
Answer and see the solution →State the molar volume of any gas at room temperature and pressure (rtp), in dm³.
Question 7
3 marks · Easy
Answer and see the solution →You have 0.40 mol of neon gas at rtp.
(a)[2 marks]Calculate the volume in dm³ occupied by this amount of gas at rtp.
(b)[1 mark]State your final answer in cm³.
Question 8
2 marks · Easy
Answer and see the solution →A gas has a volume of 4.5 dm³. Calculate its volume in cm³.