By I.M. Kolthoff
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1 A. A. Noyes: J. Am. Chem. , SO, 349 (1909). ACID-BASE INDICATORS 22 the effect of increasing temperature on the dissociation conand bases may be disregarded, then the degree of will change only because the ion product of water, hydrolysis If stants of acids K Thus the ion product increases with increasing temperature. water at 100 is about one hundred times its value at room W) of temperature. It has been shown that the strong acid-weak base type pH may of a solution of a salt of the be calculated in the following manner: pH = %pKw - |pBOH At ordinary temperatures %pKw equals i log 7, c.
Acid Base indicators by I.M. Kolthoff