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

The mass of carbon present in 22 g of carbon dioxide (CO₂) is

A. 12 g
B. 3 g
C. 6 g
✓
D. 8 g

📝 Explanation

22 g CO₂ = 0.5 mole. One mole of CO₂ contains one mole of carbon atoms. Mass of carbon = 0.5 × 12 = 6 g.

📖 Additional Information

  • 12 g
  • 3 g
  • 6 g
  • 8 g

22 g CO₂ = 0.5 mole. One mole of CO₂ contains one mole of carbon atoms. Mass of carbon = 0.5 × 12 = 6 g.

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