How many oxygen atoms are present in the empirical formula unit of magnesium chlorate?

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

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

Given the compound 4Na3PO4, how many atoms of sodium (Na), phosphorus (P), and oxygen (O) are present in total?

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

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

What is the empirical formula of a compound that contains 10.0 g of aluminum and 39.4 g of chlorine?

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