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  4. The mass percentage of nitrogen in Histamine is?

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Q. The mass percentage of nitrogen in Histamine is?

NTA AbhyasNTA Abhyas 2020Some Basic Concepts of Chemistry

Solution:

The structure of Histamine is

Solution

Molecular formula $=C_{5}H_{9}N_{3}$

Molecular mass $=111$

% of N $=\frac{w}{M}\times 100$

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