You perform combustion analysis on 255 mg of a molecule that contains only C, H, and O, and you find that 561 mg CO2 is produced, along with 306 mg H2O. All of the carbon in the CO2 comes from the hydrocarbon compound, and all of the hydrogen in the water comes from the hydrocarbon compound.a. If the molecule contains only C, H, and O, what is the empirical formula? (Hint: try using percent composition)