Brown & Foote, pages 115 - 118 :
Problems 3.5 - 29 (all)
1. Given that Kw = [H+] [OH-] = 10^-14 , explain why the pKa of H2O is cited as 15.7 and the pKa of H3O+ as -1.7 .
2. The pKa of CH3OH2+ (protonated methanol) is -2.2. Predict the preferred direction of an equilibrium acid-base reaction between H3O+ and CH3OH.