Chemistry, 05.05.2020 16:27, jyfye6918

Which of the following sets of empirical formula, molar mass, and molecular formula is correct?
CH, 78 g, C13H13
C3H80, 120 9, C3H802
CH4N, 90 g, C3H12N3

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Which of the following sets of empirical formula, molar mass, and molecular formula is correct?