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19 August, 14:23

What is the mass of nitrogen in a 10g sample of pure ammonium nitrate?

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  1. 19 August, 14:25
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    10 g of NH₄NO₃ has 3.5 g of N

    Explanation:

    Formula for ammonium nitrate is: NH₄NO₃

    1 mol of NH₄NO₃ has 4 moles of H, 2 moles of N, and 3 moles of O

    1 mol of NH₄NO₃ weighs 80 g

    If 80 grams of salt has 2 moles of N

    10 g of salt will have (10.2) / 80 = 0.25 moles of N

    1 mol of N, weighs 14 g

    0.25 mol. 14 g/mol = 3.5 grams of N
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