ashishdhuriya5 ashishdhuriya5
  • 17-06-2020
  • Chemistry
contestada

find the mass of nitrogen supplied to soil by 5kg of urea CO(NH2)2.
(O=16,N=14,C=12H=1)
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Respuesta :

marlinhadryelle1919
marlinhadryelle1919 marlinhadryelle1919
  • 17-06-2020

Answer:

2,33 kg nitrogen

Explanation:

MOLAR MASS UREA = 12 + 16 + 2*14 + 4*1 = 28 + 28 + 4 = 60 g/mole

5kg = 5000g

1 mole - 60 g

x mole - 5000 g

x = 500/6 mole

-------------------------------------

1 mole urea - 28 g nitrogen

500/6 mole - y

y = 7000/3 g ≅ 2333,33 g ≅ 2,33 kg nitrogen

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