What is the weight of oxygen contained in of ? — Mole Concept and Some Basic Concepts of Chemistry Chemistry Question
Question
What is the weight of oxygen contained in $2.5 \text{ moles}$ of $CaCO_3$?
Answer: $120 \TEXT{ G}$
💡 Solution & Explanation
$1 \text{ mol } CaCO_3$ has $3 \text{ moles O} = 48 \text{ g}$. <br>$\text{Mass} = 2.5 \times 48 = 120 \text{ g}$.
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