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ChemistryChemistry
20 August, 16:14

One method to produce nitrogen in the lab is to react ammonia with copper (II) oxide: NH3 (

g. + CuO (s) Cu (s) + H2O (l) + N2 (

g. After using 40.0 grams of NH3, 15.5 grams of N2 are produced. What is the percent yield of nitrogen in the reaction?

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Answers (1)
  1. 20 August, 17:01
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    40g (1mol NH3/17.04g per mol), N2's molar mass=28.02g

    3CuO+2NH3=>3Cu+N2+3H2O

    (2.3473mol NH3) (1 mol N2/2 mol NH3) (28.02g/1mol) = 32.8873g N2

    15.5/32.8873=47.1306% yield
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Home » Chemistry » One method to produce nitrogen in the lab is to react ammonia with copper (II) oxide: NH3 ( g. + CuO (s) Cu (s) + H2O (l) + N2 ( g. After using 40.0 grams of NH3, 15.5 grams of N2 are produced. What is the percent yield of nitrogen in the reaction?
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