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rae
rae asked in Science & MathematicsChemistry · 9 years ago

Chemistry stiochiometry problem?

Given the following reaction:

N2 + 3H2 ---> 2NH3

If 55.6 grams of N2 and 40.7 grams of H2 react with eachother, how many grams of NH3 are produced?

How do I solve this??

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  • yazid
    Lv 4
    9 years ago
    Favorite Answer

    N2 + 3H2 ---> 2NH3

    28g + 6g ---> 34g

    so 40.7g hydrogen would need 28*40.7/6 = 189.9g nitrogen

    but we have less than that nitrogen so nitrogen is the limiting factor

    so we use the mass of nitrogen to calculate the mass of NH3 produced.

    from the equation and the stoichiometry above

    NH3 produced = 34*55.6/28 = 67.5g

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