True or false
1. Empirical formula represents the actual number of atoms present in a molecule of the substance.
2. A compound can have the same molecular formula and empirical formula. 3. Different compounds can have the same empirical formula but different molecular formula.
4. The empirical formula of a compound can be determined from the molecular formula if the formula weight, or molecular weight, is known.
5. The empirical formula is the same multiple of the molecular formula.
6. Chemical equations use symbols instead of words to summarize chemical reactions.
7. Products are the substances at the beginning of chemical reactions.
8. Chemical equations show how atoms are rearranged in a chemical reaction.
9. The Law of Conservation of Mass states that atoms cannot be created nor destroyed in a chemical reaction.
10. When balancing chemical equations, the subscripts can be change​