You are given a solid substance and assigned the following task: a. determine if the substance is pure b. if impure, find a suitable method for its purification How you would proceed, clearly explaining your rationale? 2. You find that a solid substance you are trying to purify is very soluble in hexane, but not very soluble in water. You decide that you are going to try to recrystallize it from a solvent pair, consisting of hexane and water. Is this decision based on sound rationale? Comment briefly.