Calculate the percentage by mass of nitrogen in calcium trioxonitratre (v)
\((\mathrm{Ca}=40, \mathrm{~N}=14, \mathrm{O}=16)\)
\((\mathrm{Ca}=40, \mathrm{~N}=14, \mathrm{O}=16)\)
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Correct Answer: Option A
Explanation: