88 



Studies on Solution. 



TABLE 50. Rubidium Iodide Continued. 

 In 50 per cent formamid and 50 per cent ethyl alcohol. 



4 



10 



50 



100 



200 



400 



1600 



Molecular 

 Conductivity. 



15 



21.39 

 24.59 

 28.47 

 29.50 

 30.25 

 30.90 

 32.02 



25 



26 . 83 

 30.64 

 35.41 

 36.75 

 37.69 

 38.47 

 39 . 77 



35 



32 . 60 

 37.12 

 43.00 

 44.58 

 45.83 

 46.71 

 48.12 



Temperature Coefficients of 

 Conductivity. 



Per cent. 



15-25 



0.0254 

 .0246 

 .0244 

 .0245 

 .0245 

 .0244 

 .0242 



25-35 



0.0215 

 .0211 

 .0214 

 .0213 

 .0216 

 .0214 

 .0210 



A"=0.35X10- 5 0.70 X10~ 5 0.8X10~ 5 



Conductivity 

 Units. 



15-25 



0.544 

 .605 

 .694 

 .725 

 .744 

 .757 

 .775 



25-35' 



0.577 

 .648 

 .759 



.783 

 .815 

 .824 

 .835 



Mol. 

 Cone. 



Viscosity and Fluidity. 



D25/4 



Tjl5 



Tj25 



v>25 



?35 



Temperature 

 Coefficients (<p) 



15-25 



25-35 



0.25 



.10 



Solv. 



0.9763 

 .9515 

 . 9345 



0.02790 

 .02572 

 .02471 



0.02190 

 .02031 

 .01934 



0.01769 

 .01647 

 .01577 



35.84 

 38.88 

 40.47 



45.66 

 49.24 

 51.71 



56.53 

 60.72 

 63.41 



0.0274 

 .0266 

 .0278 



0.0238 

 . 0233 

 .0226 



In 25 per cent formamid and 75 per cent ethyl alcohol. 



Molecular 

 Conductivity. 



15 



25 



35 



Temperature Coefficients of 

 Conductivity. 



Per cent. 



15-25 



25-35 



Conductivity 

 Units. 



15-25= 



25-35 



4 



10 



50 



100 



200 



400 



1600 



20.92 

 24.75 

 30.49 

 32.80 

 34 . 06 

 35 . 13 

 36.69 



25.27 

 29.98 

 37.06 

 39.85 

 41.44 

 42.75 

 44.54 



30.03 

 35.61 

 44.05 

 47.40 

 49.38 

 51.02 

 53.28 



0.0208 

 .0211 

 .0215 

 .0215 

 .0216 

 .0216 

 .0214 



0.0188 

 .0187 

 .0188 

 .0189 

 .0191 

 .0193 

 .0194 



0.436 

 .523 

 .627 

 .705 



.738 

 .762 



.785 



0.476 

 .563 

 .699 

 .755 

 .793 

 .826 

 .878 



A'=0.425X10- 5 0.515 X10- 6 0.608 XIO" 5 



Mol. 

 Cone. 



Viscosity and Fluidity. 



D25/4 C 



7/15 



ij25 



7/35 



Temperature 

 Coefficients (<p) 



15-25 



25-35= 



0.25 

 .10 

 .02 



Solv. 



0.8984 

 .8723 

 .8588 

 .8549 



0.01996 

 .01898 

 .01777 

 .01756 



0.01580 

 .014X3 

 .01433 

 .01414 



0.01309 

 .01229 

 .01189 

 .01178 



50.12 

 52 . 69 

 56.27 

 56.95 



63.29 

 67 . 43 



69 . 78 

 70.72 



76.39 

 81.37 

 84.10 



84.89 



0.0263 

 .0280 

 .0240 

 .0242 



0.0207 

 .0207 

 . 0205 

 . 0200 



