I need 4 answers please and thank you!!!

1. Give the empirical formula that corresponds to each of the following molecular formulas.

• Na2O2 sodium peroxide
• C4H6Cl2 1,4-dichloro-2-butene

2. How does the molecular formula of a compound differ from the empirical formula? Can a compound's empirical and molecular formulas be the same? Explain.

3. What are the molecular and empirical formulas for the following molecules? Explain your reasoning. (See picture))​

I need 4 answers please and thank you1 Give the empirical formula that corresponds to each of the following molecular formulas Na2O2 sodium peroxide C4H6Cl2 14d class=