The mass percentage of nitrogen in Histamine is?

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The mass percentage of nitrogen in Histamine is?

ChemistrySome Basic Concepts of ChemistryJEE Main

Options:

A 18.92
B 57.2
C 37.84
D 34.64

Solution:

2342 Upvotes Verified Answer

The correct answer is: 37.84

The structure of Histamine is
4.29.PNG

4.29.PNG

Molecular formula

= C_{5} H_{9} N_{3}

Molecular mass

= 111

% of N

= \frac{w}{M} \times 100

% of

N = \frac{42}{111} \times 100 = 37.84 %

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