34 atoms of carbon react with 22 molecules of hydrogen gas. how many molecules of methane will be formed & what will be left over?

11 molecules of methane and carbon will be left over.

Explanation:

According to given balanced equation,

1 atom of carbon reacts with 2 molecules of hydrogen to form 1 molecule of methane.

Thus 32 atoms of carbon will react with= molecules of hydrogen.

But only 22 molecules of hydrogen are available.

Thus we see it the other way.

2 molecules of hydrogen  react with 1 atom of carbon

22 molecules of hydrogen  will react with=

atoms of carbon

Thus hydrogen is the limiting reagent as it limits the formation of product. Carbon is excess reagent and (34-11)=23 atoms of carbon will be left over.

2 molecules of hydrogen form 1 molecule of methane.

22 molecules of hydrogen form= molecules of methane.

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