Question

How do you determine empirical and molecular formulas from percent composition?

Answer 1

See here, and [here.](https://socratic.org/questions/what-is-the-empirical-formula-and-empirical-formula-mass-for-the-following-compo?source=search)

Explanation:

And here for a practical example. The empirical formula is the simplest whole number ratio defining constituent atoms in a species. The molecular formula is a whole number multiple of the empirical formula.