When 6.333 grams of a hydrocarbon, C_xH_y, were burned in a combustion analysis apparatus, 18.54 grams of CO₂ and 11.39 grams of H₂O were produced. In a separate experiment, the molar mass of the compound was found to be 30.07 g/mol. Determine the empirical formula and the molecular formula of the hydrocarbon.

Enter the elements in the order presented in the question.

empirical formula =

molecular formula =