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Calculate the percentage of nitrogens in...

Calculate the percentage of nitrogens in `NH_(3)`. (Atomic mass of N=14, H=1 amu)

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Percentage of Nitrogen in `NH_(3) = ("Atomic weight of nitrogen")/("Molecular weight of "NH_(3)) xx 100`
`14/17 xx 100 = 1400/1700=82.3%`
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