Nitrogen content in a sample of ure...
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Nitrogen content in a sample of urea is ( 23.3 % . ) What is the percentage purity of urea in urea sample?
(A) ( 90 % )
(B) ( 65 % )
(C) ( 50 % )
(D) ( 25 % )

NEET/Medical Exams
Chemistry
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Nitrogen content in a sample of urea is 23.3%. What is the percentage purity of urea in urea sample?
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Molecular mas ( =60 ) 

Mars of nitrogen ( =28 ) 

( % ) of ( N_{2} ) is ( 100 % )
( urea =100 times frac{28}{60}=46 cdot 67 )
Actueal ( %=23 cdot 3 )
( operatorname{Purl} y=frac{100 times 23 cdot 3}{46 cdot 67}=49 cdot 9 )

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