The pH of 0.005 M codeine (C 18 H21 NO ) solution is 9.95. Calculate its ionization constant and pK The pH of 0.005 M codeine (C 18 H21 NO ) solution is 9.95. Calculate its ionization constant and pK November 24, 2020 Category: Chapter 7 - Equilibrium , Chemistry , NCERT Exemplar Class 11 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related