Same chapter2 marksDifficulty: Easy
Calculate the number of moles in 88 g of carbon dioxide. (C = 12, O = 16)
Mole Concept and Stoichiometry
2 marksDifficulty: Easy
Calculate the percentage of nitrogen in ammonium nitrate, NH4NO3. (N = 14, H = 1, O = 16)
Original Khojo Papers practice question — not from a past board paper.
Answer
35%
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The relative molecular mass is 14 + 4 + 14 + 48 = 80, and the mass of nitrogen in it is 28. Percentage = 28/80 × 100 = 35%.
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