Which of the following contains the same number of atoms as of Calcium? — Mole Concept and Some Basic Concepts of Chemistry Chemistry Question

💡 Solution & Explanation

$\text{Moles Ca} = 1 / 40 = 0.025$. <br>We need 0.025 moles of Mg. <br>$\text{Mass of Mg} = 0.025 \times 24 = 0.6 \text{ g}$.