3. Chemical Reactions

What is the empirical formula for valproic acid, which has the molecular formula C8H16O2?

How many different elements are present in the compound Fe2O3?

What is the empirical formula of $C_2{H}_6$?

Which term represents the simplest whole number ratio of atoms of the elements in a compound?

How many oxygen atoms are present in one formula unit of Al_2(SO_4)_3?

How many different elements are present in the compound C6H12O6?

What is the empirical formula for the compound P_4O_6?

Which of the following represents the empirical formula for the compound a3b9?

Which molecular formula is correctly paired with its corresponding empirical formula?

What is the empirical formula of a compound with the molecular formula N_2O_4?

Which statement best describes the difference between an empirical formula and a molecular formula?

Which pair of compounds has the same empirical formula?

A compound contains 40.0% carbon, 6.7% hydrogen, and 53.3% oxygen by mass. What is the empirical formula ratio of carbon to hydrogen to oxygen in this compound?

Which of the following is the empirical formula for propene (C3H6)?

Which pair of compounds has the same empirical formula?