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

66. In the reaction 4P + 5O₂ → 2P₂O₅, a chemist combines 62 g of phosphorus and 64 g of oxygen. The number of moles of P₂O₅ formed is

A. 0.5
B. 1
C. 2
D. 0.8

📝 Explanation

O₂ is limiting. P₂O₅ formed = 0.8 mol.

📖 Additional Information

  • 0.5
  • 1
  • 2
  • 0.8

O₂ is limiting. P₂O₅ formed = 0.8 mol.

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