Question

when 3 gram of carbon is burnt in 8 gram of oxygen 11 gram of carbon dioxide is produced what mass of carbon dioxide will be formed when 3 gram of carbon is burnt with 50 gram of oxygen which law of chemical combination will govern your answer​

Answer 1

Answer:

When 3 grams of carbon is burnt in 8 grams of oxygen, 11 grams of carbon dioxide is produced. This means that carbon dioxide is made up of only 8 grams of oxygen and 3 grams of carbon. This ration (3:8) is fixed in carbon dioxide.

Therefore, when 3 grams of carbon is burnt with 50 grams of oxygen, the 3 grams of carbon will react with only 8 grams of carbon leaving 50-8 = 42 molecules of oxygen unreacted with. And again, only 11 grams of carbon dioxide will be produced.

The law of definite proportion will govern this answer as it declares that : in a chemical substance, elements are always present in a constant/definite proportion by mass.

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