What is the weight of oxygen contained in of ? — Mole Concept and Some Basic Concepts of Chemistry Chemistry Question

💡 Solution & Explanation

$1 \text{ mol } CaCO_3$ has $3 \text{ moles O} = 48 \text{ g}$. <br>$\text{Mass} = 2.5 \times 48 = 120 \text{ g}$.