05-04-2017
Chemistry

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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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18-04-2017

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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