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)

Calculate the number of moles of magnesium in 2.4 g of Mg. (Ar: Mg = 24) [2] igcse chemistry past paper

Using your answer from (a), calculate the volume of hydrogen gas produced at RTP. (Molar volume = 24 dm³/mol) [2] Exam Board: Cambridge CIE 0620 Paper: 2 –

Which statement about the mole is correct? (Molar volume = 24 dm³/mol) [2] Which statement

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

A) 1.20 × 10²³ B) 3.01 × 10²³ C) 6.02 × 10²³ D) 1.20 × 10²⁴ Question 6 Magnesium reacts with hydrochloric acid according to the equation: