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A gas contains 30% N and 70% O. Calculate its empirical formula.?

2007-04-04 15:32:05 · 1 answers · asked by sjsugiant 2 in Science & Mathematics ➔ Chemistry

1 answers

Assume 100 g.

30 g N / 14.0067 g/mole = 2.14 moles N

70 g O/ 15.9994 g/mole = 4.38 moles O

4.38 moles O/ 2.14 moles N = 2.05 ~ 2

Empirical formula is NO2

2007-04-04 15:41:06 · answer #1 · answered by TheOnlyBeldin 7 · 0⤊ 0⤋

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