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

49. In the reaction 2C₄H₁₀ + 13O₂ → 8CO₂ + 10H₂O, 116 g of butane and 416 g of oxygen are combusted. The limiting reactant is

A. Butane
B. Oxygen
C. Both are stoichiometric
✓
D. Carbon dioxide

📝 Explanation

2 mol butane require 13 mol O₂, exactly the amount available.

📖 Additional Information

  • Butane
  • Oxygen
  • Both are stoichiometric
  • Carbon dioxide

2 mol butane require 13 mol O₂, exactly the amount available.

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