The number of neutrons in of is: | Mole Concept and Some Basic Concepts of Chemistry — Chem-Mantra

Mole Concept and Some Basic Concepts of ChemistryeasyMCQ SINGLE

Question

The number of neutrons in $1.7 \text{ g}$ of $NH_3$ is:

Answer: A

💡 Solution & Explanation

$\text{Moles} = 1.7 / 17 = 0.1$. Neutrons in $N = 14-7=7$; in $H = 0$. Total $= 0.1 \times 7 \times N_A = 0.7 N_A$.

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