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Chemical Formulae

CaCO3Heat→ Ca...

Question

$C a C O_{3} H e a t \to C a O + C O_{2} ↑$
From the above equation calculate the amount of carbon dioxide in grams liberated by heating $25$ g of calcium carbonate.

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Solution

$C a C O_{3} H e a t \to C a O + C O_{2} ↑$

$100$ gms of $C a C O_{3}$ \rightarrow $56$ gm of CaO + $44$ gms of $C O_{2}$

When $100$ gms of $C a C O_{3}$ is heated $44$ gms of $C O_{2}$ is liberated.

Therefore when $25$ gms of $C a C O_{3}$ is heated the amount of $C O_{2}$ liberated $= 11 g m s$

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