Question
The mass ratio of carbon to hydrogen in methane is 3:1. How much amount of hydrogen is required to react with 36 g of carbon to form methane?
Answer: Option B
:
B
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:
B
The chemical formula of methane is CH4. The carbon to hydrogen mass ratio in it is 3:1.
3 g of carbon requires one gram of hydrogen.
So, 36 g of carbon requires
=363×1=12 g of hydrogen
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