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Question

The percentage of nitrogen in urea (NH2CONH2), is:

A
38.4
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B
46.6
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C
59.1
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D
61.3
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Solution

The correct option is C 46.6
ANS; B
molecular mass of urea = 60
molecular mass of urea = 28
% of nitrogen in urea = 28×10060 = 46.6

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