Question

calcium carbonate decomposes on heating to form calcium oxide and carbon dioxide.when 10g of calcium carbonate is decomposed completely then 5.6g of calcium is formed.calculate the mass of carbon dioxide formed use the law of conservation of mass

Answer 1

Answer:

We know that according to LAW OF CONSERVATION OF MASS=

sum of mass of all reactants = sum of mass of all products

eqn = calcium carbonate —> Calcium Oxide + CO2

10 g —> 5.6 + x

thus, x = 10 - 5.6

=> 4.4g

Explanation:

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