During the separation process students frequently examine that their sodium hydroxide solution is colored because of hydrolysis of small quantities of acetaminophen by sodium hydroxide to form 4-aminophenol, which is oxidized to an extremely colored compound. Define how the separation could permit traces of acetaminophen in the aspirin and caffeine solution. The solubility of CH2Cl2 is acetaminophen 0.0005 aspirin 0.033, caffeine 0.089 g/mL