ELECTRICAL CONDUCTIVITIES, ETC. 



107 



Pyrotartaric Acid (Wt. and Sm.). 



Molecular Conductivity. 



M65 c 



8' 5.403 7.150 9.045 10.41 



32 10.94 14.41 



128 21.08 27.68 



512 40.45 |53.06 



1024 54.18 171.31 



18.13 

 35.00 

 67.02 



89.73 



2048 73.00 96.00 120.3 



20.80 

 40.00 

 76.56 

 102.4 

 137.7 



12.10 13.77 

 24.36 27.28 

 46.80J 52.92 

 86.64J 98.14 



157.90 ! 



176.35 



Percentage Dissociation. 



v 



8 



32 



128 



512 



1024 



2048 



a0 I al2 c 



2.44 



4.95 



9.54 



18.30 



24.51 



33.03 



2.46 



4.97 



9.55 



18.30 



24.60 



33.11 



a25 



a35 a50 a65 



L-Tartaric Acid (Wm.). 



Molecular Conductivity. 



M,0 C 



M B 15 M.25 [ m,35 c 



8 



32 



128 



512 



1024 



2048 



15.64 22.58 26.93 

 34.18 49.03 58.72 



62.81 

 109.3 

 136.0 

 171.7 



90.12 

 156.8 

 192.0 

 241.0 



107.4 

 186.9 

 229.4 

 285.4 



31.12 

 67.65 

 123.5 

 213.0 

 261.6 



M.-50 c 



80.62 

 145.3 

 248.9 

 308.4 



M.,65 



90.80 

 165.4 

 280.7 

 348.9 



325.5 386.7 434.4 



Percentage Dissociation. 



2.59 2.62 

 5.20! 5.24 

 10.03 10.08 

 19.21 19.29 

 25.71 25.79 

 34.46 34.69 



2.58 



5.20 



10.00 



18.51 



2.58 



5.11 



9.92 



18.41 



33.73 33.08 



Dissociation Constants X 10 4 . 



v 







12 



8 



32 



128 



0.77 

 0.81 

 0.79 



512 0.80 

 1024 0.78 

 2048 0.80 



0.78 

 0.81 

 0.79 

 0.80 

 0.78 

 0.80 



25 



0.86 

 0.89 

 0.87 

 0.89 



0.87 

 0.88 



35 c 



0.89 

 0.90 

 0.88 

 0.90 

 0.88 

 0.90 



50 



0.85 

 0.89 

 0.86 

 0.82 

 0.83 



65 c 



0.85 

 0.85 

 0.85 

 0.81 

 0.79 



Temperature Coefficients in Conductivity Units. 



0-12 c 



8 



32 



128 



512 



1024 



2048 



0.15 

 0.29 

 0.56 

 1.05 

 1.43 

 1.92 



12-25 



0.15 

 0.29 

 0.56 

 1.07 

 1.42 

 1.87 



25-35 



0.14 

 0.27 

 0.50 

 0.95 

 1.27 

 1.74 



35-50 



50-65 



0.11 

 0.24 

 0.45 

 0.67 



0.11 

 0.29 

 0.38 

 0.76 



v 



aO c 



8 



32 



128 



512 



1024 



2048 



7. OS 

 15.47 

 28.42 

 49.46 

 61.54 

 77.69 



al5 c 



7.56 

 16.41 

 30.16 

 52.48 

 64.26 



a25 a35 c 



a50 i a65 a 



7.69 

 16.78 

 30.68 

 53.40 

 65.54 



7.78 

 16.91 

 30.88 

 53.25 

 65.40 



80 . 66 i 81.54:81.38 



17.18 

 30.96 

 53.03 

 65.71 

 82.40 



16.97 

 30.92 

 52.47 

 65.23 

 81.21 



Dissociation Constants X 10 4 . 



v 



0' 



8 



32 



128 



512 



1024 



2048 



6.7 

 8.9 

 8.8 

 9.5 

 9.6 

 13 2 



15 25 





7.7 

 10.1 

 10.2 

 11.3 

 11.3 

 16.4 



8.0 

 10.6 

 10.6 

 12.0 

 12.2 

 17.6 



35 c 



8.2 

 10.8 

 10.8 

 11.8 

 12.1 

 17.4 



50 



11.1 

 10.8 

 11.7 

 12.3 



18.8 



65 c 



11.1 

 10.8 

 11.3 

 11.9 

 17.1 



Temperature Coefficients in Conductivity Units. 



1.35 1.23 



Temperature Coefficients in Per Cent. 



v 



0-12 c 



12-25 c 



25-35 35-50 



8 



32 



128 



512 



1024 



2048 



2.70 

 2.64 

 2.61 

 2.60 

 2.63 

 2.62 



2.04 

 1.99 

 2.03 

 2.02 

 1.99 

 1.95 



1.49 

 1.47 

 43 



1 



1.06 

 1.15 

 1.13 



0.88 



0.99 



50-65 



0.82 

 0.79 

 0.82 

 0.88 



0.77 



15-25 



0.43 

 0.97 

 1.73 

 3.01 

 3.74 

 4.44 



25-35 35-50 



0.42 

 0.89 

 1.61 

 2.61 

 3.22 

 4.09 



0.86 

 1.45 

 2.40 

 3.12 

 4.08 



50-65 c 



0.68 

 1.34 

 2.12 

 2.70 

 3.18 



Temperature Coefficients in Per Cent. 



v 



8 



32 



128 



512 



1024 



2048 



0-15 15-25 c 





96 

 94 

 00 

 90 

 75 

 69 



1.93 

 1.98 

 1.92 

 1.92 

 1.95 ! 



25-35 



1.84 



1.55 

 1.52 

 1.47 

 1.40 

 1.40 

 1.40 



35-50 c 



1.27 

 1.17 

 1.13 

 1.19 

 1.26 



50-65 c 



0.84 

 0.92 

 0.85 

 0.88 

 0.82 



