Question

If 400 gram of calcium carbonate decomposes to form 224 gram of calcium oxide calculate the amount of carbon dioxide form name and same the law on which the calculations are based.
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Answer 1

Answer:

Explanation:176 g of CO2 is formed and the acording to the boilling point of.the caco3 and makes ca0+co2

Answer 2

Answer:

Amount of carbon dioxide= 176g

Explanation:

given that

amount of calcium carbonate= 400g

amount of calcium oxide= 224g

amount of carbon dioxide= ? (let say x)

We gave given reaction,

CaCO3 ---> CaO + CO2

Now acc to law of conservation of mass

Total mass of reactant = total mass of product

so,

Amount of CaCO3 = Amount of CaO + Amount of CO2

400 = 224 + x

400-224 = x

so x= 176g

Hence amount of CO2 is 176g