Calculate the exact number of moles of fundamental electrons present in of nitride ions (). — Mole Concept and Some Basic Concepts of Chemistry Chemistry Question

💡 Solution & Explanation

Step 1: Determine the number of electrons in a single nitride ion ($N^{3-}$). A neutral Nitrogen atom has 7 electrons. The ion has an extra 3 electrons, making $7 + 3 = 10\text{ electrons}$ per ion. Step 2: Scale up to moles. $1\text{ mole}$ of $N^{3-}$ ions contains $10\text{ moles}$ of electrons. Step 3: Apply the given amount. $0.5\text{ moles}$ of $N^{3-}$ ions will contain $0.5 \times 10 = 5.0\text{ moles}$ of electrons.