Final answer:
The empirical formula for Eugenol is C5H7O.
Step-by-step explanation:
The empirical formula for Eugenol can be determined by finding the molar ratios of the elements present in the compound. The molar percentages of carbon (C), hydrogen (H), and oxygen (O) in Eugenol are 73.15%, 7.36%, and 19.49% respectively. After converting these percentages to masses, the empirical formula is found to be C5H7O.