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

One-tenth mole of aluminium sulfate, Al₂(SO₄)₃, contains total ions equal to

A. 6.022 × 10²²
B. 3.011 × 10²³
✓
C. 6.022 × 10²³
D. 1.204 × 10²⁴

📝 Explanation

One formula unit produces five ions. Therefore, 0.1 mole gives 0.5 mole of ions, equal to 3.011 × 10²³ ions.

📖 Additional Information

  • 6.022 × 10²²
  • 3.011 × 10²³
  • 6.022 × 10²³
  • 1.204 × 10²⁴

One formula unit produces five ions. Therefore, 0.1 mole gives 0.5 mole of ions, equal to 3.011 × 10²³ ions.

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