Calculate the number of moles in 88 g of carbon dioxide. (C = 12, O = 16)
Mole Concept and Stoichiometry
Original Khojo Papers practice question — not from a past board paper.
22.4 dm3
No citable source has been recorded for this record. Treat it as practice material, not as fact.
This is the molar volume, and it is the same for every gas at standard temperature and pressure.
From the same topic and chapter, at a similar level.
Calculate the number of moles in 88 g of carbon dioxide. (C = 12, O = 16)
Mole Concept and Stoichiometry
Calculate the number of moles in 44 g of carbon dioxide. (C = 12, O = 16)
Mole Concept and Stoichiometry
Calculate the percentage of nitrogen in ammonium nitrate, NH4NO3. (N = 14, H = 1, O = 16)
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
Calculate the volume occupied by 0.5 mole of any gas at S.T.P.
Mole Concept and Stoichiometry
A compound contains 40% carbon, 6.7% hydrogen and 53.3% oxygen by mass. Find its empirical formula. (C = 12, H = 1, O = 16)
Mole Concept and Stoichiometry