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28 December, 21:23

How much CO2 is produced from 10g of CH4?

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  1. 28 December, 21:36
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    0.625 moles of CO₂ can be produced by this reaction.

    27.5 g of CO₂

    Explanation:

    A reaction where CO₂ can be produced is combustion.

    The reactants are methane (in this case) and oxygen, while the products will be CO₂ and H₂O.

    The balanced reaction is: CH₄ (g) + 2O₂ (g) → CO₂ (g) + 2H₂O (g)

    We assume the oxygen is in excess, so the methane gas, is the limiting reagent.

    We convert the mass to moles (mass / molar mass) → 10 g / 16 g/mol = 0.625 moles

    According to stoichiometry, 1 mol of methane can produce 1 mol of CO₂. Therefore If we have 0.625 moles of CH₄ we produce 0.625 moles of CO₂. Ratio is 1:1.

    Let's convert the moles to mass → (mol. molar mass) =

    0.625 mol. 44 g/mol = 27.5 g
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