Page 286 - Thermodynamics of Biochemical Reactions

286 Mathematica Solutions to Problems

K'
1x10~

8x106

6x106

4x106

2X1O6

I . , , , , ' PH
6 7 a 9

The upper curve is for zero ionic strength.

Show[plotlogKp00,plotlogKgl0,glotlotlogK~25,PiotRange-~{5,8.5},~esOrigin-
> { 5,5 1, AxesLabel - > { llpH", "1ogK Is}, Di splayFunc t ion- > $Di SplayFuncti on] ;
I
logK'

7.5-

7-

5-51
I . , / , I , , , , , , . , ' PH
6 7 8 9
The upper curve is for zero ionic strength.

(c) In order to compare the ionic strength effects, the calculated apparent equilibrium constants are divided by the value at
zero ionic strength at that pH.