Question

in a compund, carbon and oxygen react in a ratio of 3:8 by mass to form carbon dioxide. what mass is required to react completely with 8 grams carbon?​

Answer 1

Answer:

16g

Explanation:

It is given that,

C + O2 ---> CO2

in carbon dioxide, the ratio of mass of carbon to oxygen is 3 : 8.  

Let x grams be the mass of the oxygen that would be required to react completely with 6 grams of carbon. According to the law of constant proportion,

$\frac{6}{x} =\frac{3}{8}$

=> x = 16 g

Therefore, 16g of oxygen is required to completely react with 6 gram of carbon.

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