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When 10g of calcium carbonate is heated,4.4g of carbon dioxide escape out. The amount of residue left is:

When 10g of calcium carbonate is heated,4.4g of carbon dioxide escape out. The amount of residue left is:
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When 10g of calcium carbonate is heated,4.4g of carbon dioxide escape out. The amount of residue left is:

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User Pfeilbr
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1 Answer

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The dissociation of calcium carbonate, CaCO3, to simpler compounds can be expressed as,
CaCO3 --> CaO + CO2
The precipitate is CaO and its amount is calculated through the difference which will give us the answer of 5.6 g.
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User Istrupin
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