If 3g of carbon burns in 8g oxygen to produce 11g of carbon dioxide. Then how much carbon dioxide will be produced if 12g of carbon burnt in 32g of oxygen? Which law of chemical combination will govern your answer?

The answer is governed by The law of conservation of mass, which states that in an isolated system, mass is neither created nor destroyed by chemical reactions or physical transformations.

According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants.


So, If 3g of carbon burns in 8g oxygen, it produces 11g of carbon dioxide, then if 12g of carbon burnt in 32g of oxygen, it will produce the amount of carbon dioxide which can be given as-


Carbon + Oxygen --> Carbon dioxide

    3g    +    8g      -->    11g (given)

so,12g     +  32g   -->   44g (according to the Law of Conservation of mass)     

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Updated on: 10-Oct-2022

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