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?

• A. 10 g
• B. 12 g
• C. 16 g
• D. 30 g

Answer 1

The correct option is B

12 g

The chemical formula of Methane is $C{H}_4$. 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:

$\frac{36}{3}\times 1=12grams$ of hydrogen