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Question 600092
JEE Chemistry · Medium

Mole Concept and Stoichiometry: Percentage Composition MCQ

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Percentage CompositionMediumQuestion 600092

Question

% by mass of N in NH₄NO₃ (M=80, N=14) is:
  1. A
    17.5%
  2. B
    28%
  3. C
    35%
    Correct
  4. D
    14%

Correct answer

35%

Explanation

NH₄NO₃ has 2 N atoms. % N = (2×14)/80 × 100 = 28/80 × 100 = 35%.

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