• # question_answer The percentage of ${{N}_{2}}$ in urea is about [KCET (Med.) 2001] A) 18.05 B) 28.29 C) 46.66 D) 85.56

Urea $(N{{H}_{2}}CON{{H}_{2}})$has molecular wt. 60 and wt. of Nitrogen is 28 In 60 gm of urea nitrogen present = 28 gm In 100 gm of urea nitrogen present $={{({{C}_{3}}{{H}_{5}}{{O}_{2}})}_{2}}={{C}_{6}}{{H}_{10}}{{O}_{4}}$
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