A sample of nitrogen oxide found to be 28% , What is its empirical formula? explain answer
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The atomic masses of nitrogen and oxygen are 14 and 16 g/mol respectively.
The number of moles of nitrogen =
14 g/mol
28 g
= 2 mol
The number of moles of oxygen =
16 g/mol 80 g = 5 mol
The mole ratio nitrogen : oxygen =2:5
The formula of the compound is N2O5
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