When 5.156 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 15.09 grams of CO2 and 9.269 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.
1. empirical formula = ?
2.molecular formula = ?