Why can the fluids used to dry-clean clothing remove grease even when water cannot?
Can oil and water mix; what about water and hexanes?
A strongly polar solvent such as water is incapable of dissolving non-polar solutes and solvents. A grease stain is certainly composed of long chain hydrocarbons, with which water will not interact.
On the other hand, the use of dry cleaning fluids, which is typically
Note other solvents than