Question

calculate the percent by mass of nitrogen in NH3

Answer 1

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Answer____✌️

Atomic mass of N=14g

Molecular mass of NH3=17

$\frac{14}{17} \times 100 \\ = 82.35\%$

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Answer 2

Molar mass of NH3= 14+3*1=17

Atomic Mass of Nitrogen=14

mass percentage=14/17*100
=82.35%



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