It has a role as a food propellant and a refrigerant. What is the empirical formula of butane. Butane Formula Structure What Is Butane Used For Video Lesson Transcript Study Com What is the empirical formula for butane. . FROM PERCENTAGE COMPOSITION You can calculate the empirical formula from percentage composition. Its an empirical formula if the formula is shortened but not the exact number of atoms in the molecule C4H6 is the chemical formula for butane. If you know that the molecular formula of. Butane is a straight chain alkane composed of 4 carbon atoms. This formula does not. What is the empirical formula for butane. This formula does not show. This is the actual number of atoms of each element in a molecule of butane. The molecular formula of butane is C 4 H 10. The molecular formula of butane is C 4 H 10. For every mole of. This formula does not. What is the empi