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Note that activity coefficient takes into account the non-ideality due to electrostatic interactions. For instance, you can look up for the activity coefficient of ions in the Debye-Hückel theory. This indicates that the electric part of the hydronium ion potential is already included in its activity coefficient. So, since the activity coefficient of a ...


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First, just so you know, you don't need to use a set of reactions that make sense... See Smith & Missen Chemical Reaction Equilibrium Analysis: Theory and Algorithms. It shows how, given a set of species, you can make an infinite number of set of chemical reactions that all satisfy elemental abundance etc... Part 1: Systems of equations - Enter the ...


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I think there is not enough data to provide an exact answer theoretically. You can figure out an estimate value by virtually titrating the tripeptide and figuring out after what step an isolectric point likely situates: $$ \def\VEQ{{\scriptsize-\ce{H+}}{\Large\downharpoonleft\!\!\upharpoonright}\scriptsize{+\ce{H+}}} \begin{array}{rcc} \mathrm{pH} < 2.2 &...


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