The Haber process is used to synthesize ammonia from hydrogen and nitrogen. How much hydrogen is required to produce 42.8 kg of ammonia?

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  1. N2 + 3H2 ==> 2NH3

    mols NH3 = grams/molar mass = 42800/17 = ?

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

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