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Question

The mass ratio of carbon to hydrogen in methane is 3:1. How much amount of hydrogen is required to react with 36 gms of carbon to form methane? 


  1. 10 g

  2. 12 g

  3. 16 g

  4. 30 g


Solution

The correct option is B

12 g


The chemical formula of Methane is CH4. The carbon to hydrogen ratio in it is 3:1.

 3 grams of carbon requires one gram of hydrogen.

So, 36 grams of carbon requires:

363×1=12 grams of hydrogen

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