The pKa of acetylsalicylic acid (aspirin) is 3.5.The pH of gastric juice in human stomach is about 2.3 and the pH in the small intestine is about 8. Aspirin will be The pKa of acetylsalicylic acid (aspirin) is 3.5.The pH of gastric juice in human stomach is about 2.3 and the pH in the small intestine is about 8. Aspirin will be November 17, 2020 Category: Chapter 7 - Equilibrium , Chemistry , JEE Adv and Mains Chemistry 41 Years Solved Video Solutions 1979 - 2019 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related