Igcse Chemistry Past Paper _top_
What is the mass of one mole of carbon dioxide (CO₂)? (Ar: C = 12, O = 16)
– 1.20 × 10²⁴ (2.0 × 6.02 × 10²³ = 1.204 × 10²⁴) igcse chemistry past paper
A) 6 dm³ B) 12 dm³ C) 24 dm³ D) 48 dm³ What is the mass of one mole of carbon dioxide (CO₂)
What is the number of molecules in 2.0 moles of carbon dioxide? (Avogadro’s constant = 6.02 × 10²³) igcse chemistry past paper
A) 1.0 mol B) 1.5 mol C) 2.0 mol D) 2.5 mol
If you are currently preparing for your IGCSE Chemistry exam, you have probably heard the same advice a hundred times: "Do your past papers."
. If the question asks for a chemical equation, always check if state symbols are requested.