Calculate the percentage of nitrogen in nitric acid.

22.22 %

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21 %

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21.22 %

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22.8 %

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Solution

The correct option is A
$22.22 %$
$Nitric Acid \Rightarrow H N O_{3} Molecular Mass of H N O_{3} = 1 + 14 + 48 = 63 u P e r c e n t a g e o f N = \frac{14}{63} \times 100 = 22.22 %$

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