State Gay-Lussac's law of combining volumes and Avogadro's law.
Mole Concept and Stoichiometry
Original Khojo Papers practice question — not from a past board paper.
9.033 × 1023 atoms
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Each SO2 molecule contains 3 atoms, so 0.5 mole contains 1.5 mole of atoms, that is 1.5 × 6.022 × 1023 = 9.033 × 1023.
From the same topic and chapter, at a similar level.
State Gay-Lussac's law of combining volumes and Avogadro's law.
Mole Concept and Stoichiometry
Calculate the mass of 2.24 dm3 of carbon dioxide at S.T.P. (C = 12, O = 16)
Mole Concept and Stoichiometry
Calculate the volume occupied by 0.5 mole of any gas at S.T.P.
Mole Concept and Stoichiometry
Calculate the number of molecules in 8 g of oxygen gas. (O = 16, Avogadro number = 6.022 × 1023)
Mole Concept and Stoichiometry
The number of moles in 36 g of water is: (H = 1, O = 16)
Mole Concept and Stoichiometry
Calculate the vapour density of carbon dioxide. (C = 12, O = 16)
Mole Concept and Stoichiometry