0.070 g of caffeine is dissolved in 4.0 ml water. the caffeine is extracted for the aqueous solution three times with 2.0 ml portions of methylene chloride. the methylene chloride extracts are combined and the solvent evaporated resulting in isolated caffeine crystals. Briefly explain why caffeine will prefer the methylene chloride solvent to the water solvent? draw the structure for all 3 compounds?