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Chemistry NMDCAT MCQs Moles and Avogadro's Numbers Moles and Avogadro’s Numbers
nmdcat.online July 2, 2026

During the formation of water, 2H₂ + O₂ → 2H₂O, producing 5 moles of water requires

A. 2.5 moles H₂
B. 10 moles H₂
C. 5 moles H₂
✓
D. 7.5 moles H₂

📝 Explanation

Hydrogen and water have a 1:1 mole relationship in the balanced equation.

📖 Additional Information

  • 2.5 moles H₂
  • 10 moles H₂
  • 5 moles H₂
  • 7.5 moles H₂

Hydrogen and water have a 1:1 mole relationship in the balanced equation.

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