A 100.0-g sample of a compound is composed of 16.3 g of carbon, 32.1 g of chlorine, and 51.6 g of fluorine. The empirical formula of the compound is
a. CCl₂F
b. C₂Cl₄F₂
c. C₃Cl₆F₃
d. C₄Cl₈F₄