The mass of molecules of is: | Mole Concept and Some Basic Concepts of Chemistry — Chem-Mantra

Mole Concept and Some Basic Concepts of ChemistryeasyMCQ SINGLE

Question

The mass of $N_A / 2$ molecules of $O_2$ is:

Answer: A

💡 Solution & Explanation

$\text{Moles} = (N_A / 2) / N_A = 0.5 \text{ mol}$. <br>$\text{Mass} = 0.5 \times 32 = 16 \text{ g}$.

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