The number of atoms in 0.004 g of magnesium is: — Mole Concept and Some Basic Concepts of Chemistry Chemistry Question

💡 Solution & Explanation

$\text{Moles} = 0.004 / 24 \approx 1.66 \times 10^{-4}$. $\text{Atoms} \approx 1.66 \times 10^{-4} \times 6 \times 10^{23} \approx 10^{20}$. [8]