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MHT CET20192 May 2019Morning ShiftChemistrySome Basic Concepts of ChemistryActual

What is the percentage of carbon in urea? A t m a s s C = 12 , H = 1 , N = 14 , O = 16

Options

  1. A20 %
  2. B26.6 %
  3. C6.67 %
  4. D46.0 %

Correct answer

A. 20 %

Step-by-step solution

N H 2 C O N H 2 ⇒ molar mass = 60 g / m o l No. of C - atoms in urea = 1 So, % of Carbon by mass = 12 60 × 100 % = 20 %

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