This preview shows page 1. Sign up to view the full content.
Unformatted text preview: 250g 0.01g x 1,000,000 = 40 III. pH, Exponents, and Logarithms A. pH pH is defined as the negative logarithm of the hydrogen ion activity (pH = log a H ). For our purposes, the concentration of hydrogen ion approximates the activity (a H = [H + ]). In every liter of pure water, 1 x 107 moles of water are dissociated into 1 x 107 moles of H+ and 1 x 107 moles of OH. H 2 O H + + OHpH = log 107 = 7 pOH = log 107 = 7 Therefore pOH + pH = 14....
View
Full
Document
This note was uploaded on 06/21/2011 for the course NRES 201 taught by Professor Olson,k during the Spring '08 term at University of Illinois, Urbana Champaign.
 Spring '08
 Olson,K

Click to edit the document details