Answer:
1. EMPIRICAL FORMULA
2. Must add up to 100%
3.Molecular formulas (it describe the exact number and type of atoms in a single molecular of a compound )
4. Percent composition (it is calculated from a molecular formula by dividing the mass of a single element in one mole of a compound by the mass of one mole of the entire compound . The value presented as a percentage )
5. Grams
Explanation:
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