The volume of (at STP) obtained by the complete decomposition of 10 g of is: — Mole Concept and Some Basic Concepts of Chemistry Chemistry Question
Question
The volume of $CO_2$ (at STP) obtained by the complete decomposition of 10 g of $CaCO_3$ is:
Answer: A
💡 Solution & Explanation
$\text{Moles } CaCO_3 = 0.1$. $CaCO_3 \rightarrow CaO + CO_2$. 0.1 mol $CO_2$ is produced. $\text{Volume} = 0.1 \times 22.4 = 2.24 \text{ L}$. [7]
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