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19-1 Copyright ©The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter 19 Ionic Equilibria in Aqueous Systems
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PH = - log [H 3 O + ] [H 3 O + ] = 10 - pH mol/L For pure water at 25 o C pH = - log (1.0 x 10 -7 ) = 7.00 For a change in pH by 1, H 3 O + concentration
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