Respuesta :

mourfious

Answer:

28.57%

Explanation:

[tex]total \: mass \: = 23+ 10 + 2 \times 1 \\ = 35 \\ so... \\ persentage \: compsitionof \: nitrogen \\ = \frac{10}{35} \times 100 \\ = \frac{200}{7} \\ = 28.57[/tex]

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