chemistry

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How many grams of H2 are needed to produce 10.75g of NH3?

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    N2 + 3H2 ==> 2NH3

    mols NH3 = grams/molar mass
    Using the coefficients in the balanced equation, convert mols NH3 to mols H2.
    Now convert mols H2 to grams. g = mols x molar mass

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