What is one benefit of using a chemical formula?

The following are the benefits of chemical formula:
1. we can know the images of the compound. 
2. adjusted condition can be known. 
3. heading of the response. 
4. we can know the no. of reactants and no. of items associated with the compound response. 
5. no. of iotas display in a compound can be known.

Yes you are correct use the scientific method