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28 September, 23:10

C2h4 + O2 - CO2 + H2O

If we start with 20 grams of CH4, how many moles of CO2 will form?

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  1. 28 September, 23:30
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    1.428mol of CO2

    Explanation:

    C2H4 + 3O2 - > 2CO2 + 2H2O

    First let us calculate the number of mole present in 20g of C2H4. This is illustrated below:

    Molar Mass of C2H4 = (12x2) + (1x4) = 24 + 4 = 28g/mol

    Mass of C2H4 = 20g

    Number of mole of C2H4 = Mass / Molar Mass

    Number of mole of C2H4 = 20/28 = 0.714mol

    From the balanced equation,

    1mole of C2H4 produced 2moles of CO2.

    Therefore, 0.714mol of C2H4 will produce = 0.714 x 2 = 1.428mol of CO2
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