Respuesta :

Answer:

Explanation:

B. has the greatest mass. Its empirical formula is C2H5 (approx 29 mass). the others are CH3, CH2, and CH respectively, with masses approx 15, 14, and 13, respectively. Remember- empirical formula is like putting a fraction in lowest terms, and may or may not be the molecular formula.

B. C4H10

Butane is a straight chain alkane composed of 4 carbon atoms. It has a role as a food propellant and a refrigerant. It is a gas molecular entity and an alkane.