Which of the following are empirical formulas?

A) Ribose (C5H10O5)
B) Ethyl Butyrate (C6H12O2)
C) Chlorophyll (C55H72MgN4O5)
D) DEET (C12H17ON)

(numbers are subscripts)

1 answer

All of them appear to me to be molecular formulas. The empirical formula of ribose is CH2O and for ethyl butyrate it is C3H6O. C and D don't appear to have a lowest common denominator other than 1. Check my thinking.