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

A compound has empirical formula CH₂O and molar mass 180 g/mol. The number of moles of hydrogen atoms in one mole of compound is

A. 2
B. 6
C. 12
✓
D. 10

📝 Explanation

Molecular formula is C₆H₁₂O₆ because 180/30 = 6. Thus each mole contains 12 moles hydrogen atoms.

📖 Additional Information

  • 2
  • 6
  • 12
  • 10

Molecular formula is C₆H₁₂O₆ because 180/30 = 6. Thus each mole contains 12 moles hydrogen atoms.

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