Same topic2 marksDifficulty: Easy
Calculate the number of moles in 44 g of carbon dioxide. (C = 12, O = 16)
Mole Concept and Stoichiometry
3 marksDifficulty: Medium
Calculate the volume occupied by 8 g of oxygen gas at STP. (O = 16, molar volume = 22.4 dm3)
Original Khojo Papers practice question — not from a past board paper.
Answer
5.6 dm3
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Moles of O2 = 8 ÷ 32 = 0.25. Volume at STP = 0.25 × 22.4 = 5.6 dm3.
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