A compound consists of only C and F.It contains 24% C by mass.What is the empirical formula of the compound?

Question

Quizplus · Accepted Answer

The compound contains 24% carbon by mass, meaning 76% is fluorine. The molar mass of carbon is 12 g/mol and fluorine is 19 g/mol. For 100 g of the compound, there are 24 g of C (24/12 = 2 moles) and 76 g of F (76/19 = 4 moles). The simplest ratio of C to F is 1:2, giving the empirical formula CF₂.

A Compound Consists of Only C and F