1. The problem statement, all variables and given/known data Suggest a procedure for preparing pure n-propyl-p-xylene that doesn't require separating it from isopropyl-p-xylene. 2. Relevant equations Friedel-Crafts Alkylation equations (I don't know how to type them onto the computer lol, but I know what they are). 3. The attempt at a solution I have no idea on how to come up with a procedure.