Igcse Chemistry Past Paper -

A) One mole of any element contains the same number of atoms as one mole of any compound. B) One mole of any gas occupies the same volume at the same temperature and pressure. C) One mole of any substance has the same mass. D) One mole of electrons has a mass of 1 g.

Calculate the volume occupied by 0.5 moles of oxygen gas (O₂) at room temperature and pressure (RTP). (Molar volume = 24 dm³/mol)

A) 28 g B) 32 g C) 44 g D) 48 g

How many moles are present in 36 g of water (H₂O)? (Ar: H = 1, O = 16)

Which statement about the mole is correct? igcse chemistry past paper

Exam Board: Cambridge CIE 0620 Paper: 2 – Multiple Choice (Extended) – Extract Topic: Stoichiometry & Mole Calculations Time allowed: 15 minutes (extract) Total marks: 10 Section A: Multiple Choice Questions Question 1 What is the mass of one mole of carbon dioxide (CO₂)? (Ar: C = 12, O = 16)

What is the number of molecules in 2.0 moles of carbon dioxide? (Avogadro’s constant = 6.02 × 10²³) A) One mole of any element contains the

A) 1.0 mol B) 1.5 mol C) 2.0 mol D) 2.5 mol