1.

Calculatethe percentage Composition urea CO(NH₂ )2 ?​

Answer»

46%Explanation:Urea= NH2- CO- NH2 And we know that Total mass of urea = 60 Mass of NITROGEN = 14 TWO MOLECULES of nitrogen= 2*14= 28 Percentage of nitrogen = Mass of Nitrogen/(Urea ) x 100 = 28/60 x 100 = 46.6% Hence Percentage of nitrogen in urea is 46%



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