ELECTRICAL CONDUCTIVITIES, ETC. 



115 



Mesaconic Acid (Wt. and Sm.). 



Molecular Conduct-icily. 



v 



M0 



Mrl2 s jU B 25 



M35 



M50 



M,ti.V 



PlIENYLPKOFIOLIC ACID (Sp.). 



Molecular Conductivity. 



M0 /x15 



32 33.31 42.85 52.00 58.04 65.94 72.66 

 128 62.60 SO. 18 97.30108.5 123.0 135.5 



ju 8 25j/*,35 m 5 50 ! /i P G5 



512| 108.0 

 1024: 134.7 

 2048 160.9 



139.0 168.5 488.2 1214.1 ;235.3 

 172.9 209.8 234.0 266.1 |293.35 

 206.3 250.0 278.8 '318.3 1352.7 



Percentage Dissociation . 



128 132 . 61 176 . 99203 .33227 . 25255 . 63274 . 68 



256 1 154 . 79207 . 96239 . 19267 . 59301 . 25327 . 39 



512 176 . 08236 . 63 274 . 45307 . 85349 . 73375 . 33 



1024 191 . 44 258 . 04 299 . 84 339 . 21 392 . 1 1;422 . 15 



2048 200. 55 269. 00 314. 8 357.91416.56449.56 



v 



a0 c 



al2 a25 I a35 a50 c 



32 

 128 



512 

 1024 

 2048 



15.05 15.04, 14.81; 14.51 13.99 



28.29 28.17 27.72 27. 13 i 26.11 



48.79 48.67 48.00 47.06! 45.45 



60.87 60.74 59.77 58.49 56.49 



72.69 72.49 71.22 69.69 67.57 



a65 c 



13.51 



25.20 

 43.77 

 54.57 

 65. Gl 



Percentage Dissociation . 



v 



128 



256 



512 



1024 



2048 



a0 c 



59.67 

 69.66 

 79.24 

 S6.15 

 90.25 



al5 i a25 a35 



a50 e 



58.91 1 57.87| 66.82 54.39 

 69.22 68.08' 66.90 64.09 

 78.76 78.12 76.97 74.41 



85.89 85.34 84.81 i 83.43 

 89.54 89.60 : 89. 48 1 88.63 



a65 



50.98 

 60.76 

 69.66 

 78.35 

 83.43 



Dissociation Constants X 10'. 



Dissociation Constants X 10 4 







12 



25 



35 50" 



65 



v 







32 



128 



512 



1024 



2048 



8.4 

 8.7 

 9.1 

 9.3 

 9.5 



7.7 I 6.6 

 7.9 7.2 

 8.2 7.3 

 8.1 7.1 



9.8 6.9 



6.6 

 6.6 

 6.6 

 6.4 

 6.1 



128 



256 



512 



1024 



2048 



68.9 

 62.5 

 59.1 

 52.3 

 40.8 



15 25 35 



66.0 62.1 j 58.4 



60. S j 56.7 ! 52.8 



57.0 54.5 50.2 



51.1 48 5 46.2 

 37.4 i 37.7 i 37.2 



50 ! 65 



50.7 

 44.7 

 42.3 

 41.0 

 33.7 



41.4 

 36.8 

 31.2 



27.7 

 20.5 



Temperature Coefficients in Conductivity Units. Temperature Coefficients in Conductivity Units 



v i 0-12 12-25 1 25-35 I 35-50 50-65 



0-15 I 15-25 



25-35 35-50 50-G5 c 



32 ! 0.80 



128 1.47 



512 2.54 



1024 ; 3.78 



2048 4.09 



0.70 j 0.60 



1.32 ; 1.12 



2.27 ' 1.97 



2.84 I 2.42 



3.36 i 2.SS 



0.53 

 0.97 

 1.71 

 2.14 



_ r,:; 



0.41 

 0.83 

 1.41 

 1.S6 

 2.29 



2.63 ' 2.39 



3.12 ! 2.84 



3.78 3.34 



4.0S ! 3.94 



4.5S ! 4.31 



1.89 1.27 



2.24 ' 1.53 



2.77 ! 1.71 



3.53 2.00 



3.91 i 2.20 



Temperature Coefficients in Per Cent. 



0-12 



12-25 25-35 



35-50 



50-65 c 



1.16 

 1.15 

 1.16 

 1.15 

 1.15 



0.91 ; 



0.90 



0.91 



0.92 

 0.94 



0.67 

 0.68 

 0.66 

 0.68 

 0.72 



Temperature Coefficients in Per Cent. 



v 



0-15 



15-25 i 25-35 I 35-50 c 



50-65 



128 



256 



512 



1024 



2048 



2.23 

 2.24 

 2.25 

 2.32 

 2.27 



1.48 

 1.50 

 1.59 

 1.61 

 1.70 



1.17 



1.18 

 1.21 

 1.31 

 1.36 



0.83 

 0.84 

 0.90 : 

 1.04 ! 

 1.09 



0.50 

 0.51 

 0.49 

 0.51 

 0.53 



