The number of atoms in 4.25 g of is approximately: [1] — Mole Concept and Some Basic Concepts of Chemistry Chemistry Question

💡 Solution & Explanation

Moles of $NH_3 = 4.25 / 17 = 0.25$ mol. <br>Atoms per molecule = 4. <br>Total atoms $= 0.25 \times 4 \times 6.022 \times 10^{23} = 6.022 \times 10^{23} \approx 6 \times 10^{23}$. [1]