Calculate the percentage of nitrogen in …
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Posted by Indrajeet Singh 6 years, 1 month ago
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Sia ? 6 years, 1 month ago
The formula of urea is NH2CONH2
Molar mass = 60.01 g/mol
Atomic mass of N = 14 and
Number of atoms = 2
That means, 14 {tex}\times{/tex} 2= 28g/mol of urea
MW urea = 60.1
%N = 100% x 28.0 g N / 60.1 g urea = 46.66 %N
Or
%N= 28/60{tex}\times{/tex}100= 46.66 % N
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