IV CONTENTS. 



Part IV. Conductivity and Ionization of Silver Nitrate, etc. Continued. 



36. Variation of the conductance-capacity with the temperature ... 78 



37. The specific-volume data 80 



38. Summary of the specific-volume values 82 



39. The conductivity data 83 



40. Summary of the equivalent-conductance values 95 



41. Equivalent-conductance values at round concentrations .... 102 



42. Change of the equivalent conductance with the concentration . . 104 



43. Change of the equivalent conductance with the temperature . . 105 



44. Ionization-values and their change with the concentration and 



temperature 107 



45. Summary 110 



Part V. Conductivity and Ionization of Hydrochloric Acid, Acetic Acid, and 

 Sodium Acetate up to 218. Hydrolysis of Sodium Acetate and Ionization 

 of Water at 218. By Arthur A. Noyes and Hermon C. Cooper. 



46. Outline of the investigation 115 



47. Apparatus and method of procedure 116 



48. Preparation of the substances and solutions 119 



49. Systematic errors and their elimination 121 



50. Conductance-capacity of the apparatus , 124 



51. The water correction 125 



52. Conductivity data for sodium chloride, hydrochloric acid, acetic 



acid, and sodium acetate 126 



53. Summary of the equivalent-conductance values 133 



54. Equivalent-conductance values at round concentrations .... 137 



55. Change of the equivalent conductance with the concentration 



and temperature 139 



56. Ionization-values and their change with the concentration and 



temperature 141 



57. Conductivity data for mixtures of sodium acetate and acetic 



acid 143 



58. Hydrolysis of sodium acetate and ionization of water 143 



59. Summary 149 



Part VI. Conductivity and Ionization of Sodium Hydroxide up to 218 and of 

 Ammonium Hydroxide and Chloride up to 156. Hydrolysis of Ammonium 

 Acetate and Ionization of Water at 100 and 156. By Arthur A. Noyes 

 and Yogoro Kato. 



60. Outline of the investigation 153 



61. Apparatus and method of procedure 154 



62. Preparation of the substances and solutions 156 



63. The conductance-capacity of the apparatus 159 



64. The water correction 161 



65. Conductivity data for the solutions of sodium hydroxide, am- 



monium hydroxide, and ammonium chloride ]62 



66. Summary and discussion of the equivalent-conductance values 



and their correction to round temperatures 169 



67. Equivalent conductance at round concentrations 173 



68. Change of the equivalent conductance with the concentration and 



temperature 175 



69. Ionization-values and their change with the concentration and 



temperature 177 



70. Description of the hydrolysis experiments 179 



71. Conductivity data for ammonium acetate 179 



72. Summary of the specific conductance values 182 



73. The hydrolysis of ammonium acetate and the ionization-con- 



stant of water 185 



74. Summary 189 



