Answer:
1. Molar mass is of great importance when setting up an experiment.
2. Molar mass is useful in analyzing the results of experiments.
3. Molar mass is also used to determine what percentage of any given element in a compound contributes to the total mass of the compound.
4. Molar masses of atoms can also be used to figure out the precise molar masses of complex molecules without experimenting on them directly.
5. To let scientists predict the masses of substances used in chemical reactions.
