The total number of electrons in of ion is: — Mole Concept and Some Basic Concepts of Chemistry Chemistry Question
Question
The total number of electrons in $1.8 \text{ g}$ of $NH_4^+$ ion is:
Answer: A
💡 Solution & Explanation
$\text{Moles} = 1.8 / 18 = 0.1$. <br>Electrons per ion $= 7(N) + 4(H) - 1(\text{charge}) = 10$. <br>Total electrons $= 0.1 \times 10 \times N_A = 1 N_A$.
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