A sample of the gaseous compound formed during bacterial fermentation of grain is found to consist of 27.29% carbon and 72.71% oxygen. What is the empirical formula of the compound? (C = 12.0, O = 16.0)

University of Ilorin CHM101 2019 past question

1. C₂O₄
2. CO
3. CO₂
4. None of the above

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