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What are the differences between formula mass and molecular mass?
The differences between formula mass and molecular mass are as follows:-
| Formula Mass | Molecular Mass |
1. It is the sum of the masses of atoms present in the formula unit of an ionic compound. | 1. It is the sum of the atomic masses of the atoms in a molecule. |
| 2. Calculated from amu units. | 2. Calculated from g/mol units. |
| 3. Calculated using the empirical formula. | 3. Calculated using the molecular formula. |
| 4. May, or may not give the exact mass of a molecule. | 4. Always, give the exact mass of a mole of a molecule. |
Updated on: 10-Oct-2022
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