XU CONTENTS 



28. The determination of the hydrogen ion concentration, or the estima- 



tion of true acidity 102 



29. The resistance of solutions to change in reaction and buffer value. . . 104 



Chapter III 



THE DISSOCIATION OF STRONG ELECTROLYTES 



30. The deviations from the mass law and their significance 110 



31. The influence of the ionic charge on the conductivity 117 



32. The influence of the ionic charge on the lowering of the freezing point. . 119 



33. The three deviation coefiicients fo, i^ and fa (according to Bjerrum) . . . 121 



34. Hydration of ions and its significance for the activity 123 



35. The theory of activity and the hydrion concentration of buffers 127 



36. The reduced constants of the physiologically important acids 129 



37. Another exposition of the effect of strong electrolytes 131 



Examples of the different methods of representation of the effect of 



strong electrolytes 133 



Chapter IV 



THE state of dissociation OF ACIDS AND BASES DURING ACTUAL 



SALT-FORMATION 



38. Introduction 136 



39. The formation of the ionic equilibrium with true salt-formation 137 



40. The behavior of ampholytes in the process of true salt-formation 141 



41. The influence of salt-formation upon the isoelectric point 144 



42. An extension of the conception of the reduced dissociation constant. . . 145 



Chapter V 



electrolytic dissociation in NON-ACQUEOUS SOLUTIONS 



43. Electrolytic dissociation 148 



PART II. THE IONS, PARTICULARLY THE HYDROGEN IONS, AS 

 SOURCES OF ELECTRIC POTENTIAL DIFFERENCES 



44. Introduction 155 



Chapter VI 



THE electrode POTENTIALS 



45. The single potential of an electrode 156 



46. The concentration chains 160 



47. The numerical evaluation of Nernst's equation 161 



48. Reversible electrodes for concentration chains 163 



