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20 February, 17:15

What mass of CO was used up in the reaction with an excess of oxygen gas if 24.7g of carbon dioxide is formed? 2 CO + O2 > 2 CO2

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  1. 20 February, 17:36
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    Balance Chemical Equation,

    2 CO + O₂ → 2CO₂

    Acc. to this reaction,

    88 g (2 mole) of CO₂ was produced when = 56 g (2 mole) of CO was reacted

    So,

    24.7 g of CO₂ will be produced by reacting = X g of CO

    Solving for X,

    X = (56 g * 24.7 g) : 88 g

    X = 2.26 g : 88 g

    X = 0.0257 g of CO

    Result:

    0.0257 g of CO is required to be reacted with excess of O₂ to produce 24.7 g of CO₂.
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