Methane molecules (the overwhelming majority of the molecules in natural gas) are composed of 25.1% hydrogen and 74.9% carbon, by mass. If there is a reaction between 115.1 g of carbon with 34.7 grams of hydrogen, how many grams of methane could be produced?

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Meredith Powell

Chemistry

20 May, 21:41

Methane molecules (the overwhelming majority of the molecules in natural gas) are composed of 25.1% hydrogen and 74.9% carbon, by mass. If there is a reaction between 115.1 g of carbon with 34.7 grams of hydrogen, how many grams of methane could be produced?

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Maxim · Answer 1

We are given with the breakdown of methane molecules and the individual masses of carbon and hydrogen to be used for the reaction to form methane. The first step is to determine the limiting reagent from the equation C + 2H2 = CH4. The limiting agent can be determined by dividing the number of moles given by the stoich coeff. Then we use this mass to determine the number of moles of CH4 produced.