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

During combustion of ethane, formation of 3 moles of carbon dioxide produces water equal to

A. 3 moles
B. 4 moles
C. 4.5 moles
✓
D. 6 moles

📝 Explanation

The ratio of H₂O to CO₂ is 3:2. Therefore, 3 moles of CO₂ correspond to 4.5 moles of H₂O.

📖 Additional Information

  • 3 moles
  • 4 moles
  • 4.5 moles
  • 6 moles

The ratio of H₂O to CO₂ is 3:2. Therefore, 3 moles of CO₂ correspond to 4.5 moles of H₂O.

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