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What is the empirical formula of a compound that contains 0.20 moles of nitrogen atoms and 0.40 moles of oxygen atoms?
Wiki User
∙ 10y ago
Divide the larger by the smaller mole number. The smaller mole number is assumed to be 1. 0.40/0.20 = 2
As nitrogen is 0.20 moles we have 1 atom of it and 2 atoms of oxygen, so
NO2 is the empirical formula (nitrogen dioxide).
Wiki User
∙ 10y ago
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