Empirical formula. Crude oil is a finite resource. ... The C:H ratio for butane is 4:10. The simplest ratio is 2:5. So the empirical formula is C 2 H 5. Next up. Watch a video. Previous page.

Growth tests with other hydrocarbons. Quantitative growth experiments showed that the enrichment cultures degraded propane or butane completely to CO 2, with stoichiometric reduction of sulfate to ...