Channel: chemistNATE
Category: Education
Tags: chemistnatechem
Description: To find the empirical formula from the molecular formula, divide ALL of the subscripts by their greatest common factor. In this case, you can divide both 2 and 4 by TWO. This reduces the subscripts to 1 and 2 So the answer is N1O2, or more simply NO2. Check me out: chemistnate.com