Which of the following contains the same number of atoms as of Helium? | Mole Concept and Some Basic Concepts of Chemistry — Chem-Mantra

Question

Which of the following contains the same number of atoms as $1 \text{ mole}$ of Helium?

Answer: A

💡 Solution & Explanation

$1 \text{ mole } He = 1 \text{ mole atoms}$. <br>$0.5 \text{ mole } O_2 = 0.5 \times 2 = 1 \text{ mole atoms}$.

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