Question

CALCIUM CARBONATE DECOMPOSES ON HEATING TO FORM CALCIUM OXIDE AND CARBON DIOXIDE WHEN 10GM OF CALCIUM CARBONATE IS DECOMPOSED COMPLETELY THEN 5.6GM OF CALCIUM OXIDE IS FORMED CALCULATE THE MASS OF CARBON DIOXIDE FORMED WHICH LAW OF CHEMICAL COMBINATION WILL YOU APPLY ( plzzzzz give correct answer in 5min )

Answer 1

Answer:

Explanation: By the law of conservation of mass mass can neither be created nor destroyed.

Mass of calcium carbonate is equal to the mass of calcium oxide+carbon-dioxide.

Let mass of carbon dioxide be x.

X=10-5.6=4.4.

Therefore the mass of carbon dioxide is 4.4GM.

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