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4 December, 12:48

N2+3h2=2nh3 how many grams of hydrogen must react if the reaction producesd 27 grams of nh3

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  1. 4 December, 15:38
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    Answer:-

    4.765 grams

    Explanation:-

    Molecular weight of Hydrogen gas H2 = 1 x 2 = 2 gram

    Molecular weight of NH3 = 14 x 1 + 1 x 3 = 17 gram

    The balanced chemical equation for the reaction is

    N2 + 3 H2 - -> 2 NH3

    From the chemical equation we see

    To produce 2 NH3 we need 3 H2 to react.

    ∴ To produce 2 x 17 grams of NH3 we need 3 x 2 grams of H2 to react.

    To produce 27 grams of NH3 we need (3 x 2) x 27 / (2 x 17) grams of H2 to react

    =4.765 grams of H2 to react
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