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Question
A hydride of nitrogen contains 87.5% percent by mass of nitrogen. Determine the empirical formula of this compound.
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Solution
Atomic ratio of N = `87.5/14` = 6.25
Atomic ratio of H= `12.5/1` = 12.5
This gives us the simplest ratio as 1 : 2
So, the Empirical formula is NH2
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