contestada

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

Respuesta :

taskmasters
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. 
Q&A Education