Which of the following contains the same number of atoms as of ? — Mole Concept and Some Basic Concepts of Chemistry Chemistry Question

💡 Solution & Explanation

Atoms in 1 mol $O_2 = 2 N_A$. <br>A) 1 mol $CO = 2 N_A$. <br>B) 0.5 mol $CH_4 = 0.5 \times 5 = 2.5 N_A$. <br>C) 2 mol $He = 2 N_A$. <br>D) 2/3 mol $O_3 = (2/3) \times 3 = 2 N_A$.