Chemistry NMDCAT MCQs Limiting and Excess Reactants
nmdcat.online July 2, 2026

52. In the reaction 2Al + 3H₂SO₄ → Al₂(SO₄)₃ + 3H₂, 18 g of Al and 196 g of H₂SO₄ are mixed. The volume of H₂ at STP is (Al = 27, S = 32, O = 16)

A. 22.4 dm³
B. 11.2 dm³
C. 44.8 dm³
D. 6.73 dm³

📝 Explanation

Al = 0.667 mol and is limiting. H₂ produced = 1 mol. Volume = 22.4 dm³.

📖 Additional Information

  • 22.4 dm³
  • 11.2 dm³
  • 44.8 dm³
  • 6.73 dm³

Al = 0.667 mol and is limiting. H₂ produced = 1 mol. Volume = 22.4 dm³.

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