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10 November, 15:13

If the CaCO3 weighed 983 g and the CaO weighed 551 g, how many grams of CO2 were formed in the reaction?

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  1. 10 November, 16:34
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    The answer to your question is 432 g of CO₂

    Explanation:

    Data

    CaCO₃ = 983 g

    CaO = 551 g

    CO₂ = ?

    Balanced reaction

    CaCO₃ (s) ⇒ CaO (s) + CO₂ (g)

    This reaction is balanced, to solve this problem just remember the Lavoisier Law of conservation of mass that states that the mass of the reactants is equal to the mass of the products.

    Mass of reactants = Mass of products

    Mass of CaCO₃ = Mass of CaO + Mass of CO₂

    Solve for CO₂

    Mass of CO₂ = Mass of CaCO₃ - Mass of CaO

    Mass of CO₂ = 983 g - 551 g

    Simplification

    Mass of CO₂ = 432 g
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