3. Chemical Reactions

Given that the empirical formula of a compound is C_3H_5 and its molecular mass is 205.4 g/mol, what is the value of n in the relationship: molecular formula = (empirical formula)_n?

How many different elements are present in the empirical formula of aspirin (C9H8O4)?

A compound consists of molecules containing 2 nitrogen atoms and 4 oxygen atoms. What are the molecular and empirical formulas of this compound?

A compound is found to be 83.7% carbon and 16.3% hydrogen by mass. What is the empirical formula of this compound?

Which of the following formulas represents an empirical formula?

Which statement is true about an empirical formula?

Which of the following is the empirical formula of acetic acid?

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

How many different elements are present in the compound Fe2O3?

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?