A, B = 



y = 

 C = 



v = 



? = 



t = 



X = 



P = 



Px = 

 Pb = 



Properties of Liquid Mixtures, 

 Comjyosition of Vapours. 



53 



molecular weights of the two components, 

 fractional composition of liquid. 



„ „ vapour, 



molecular fractional composition of liquid. 



„ „ „ vapour, 



ratio of masses of substances A and B present in liquid. 



„ „ „ „ vapour, 



ratio of number of molecules of A and B present in liquid. 



n » n 7t vapour, 



total vapour-pressure, 

 partial pressure due to A. 



B. 



Alcohol-Benzene. 

 (Alcohol) =45-70. B (Benzene) = 77'46. 



z. 



y> 



t 



V- 



log?. 



log*. 



P 



(from 

 curve). 



Px \ Pb 

 (from p & rj). 



005-4 



0-18-7 



0-08-8 



0-28-1 



2-7566 



13617 



350-4 



98-5 



251-9 



0-07-5 



0-21-9 



0-12-1 



0-32-2 



2-9090 



1-4478 



3690 



118-8 



2502 



013-9 



0-24-7 



0-21-5 



0-35-7 



1-2079 



1-5159 



397-0 



141-6 



255-3 



0-24-5 



0-27-5 



0-35-5 



0-39-1 



1-5112 



1-5790 



406-0 



158-7 



247-2 



0-320 



0-29-7 



0-44-4 



0-41-7 



1-6727 



T-6258 



404-4 



168-6 



235-8 



0-430 



0-32-6 



0-56-1 



0-45-1 



1-8776 



T-6846 



397-6 



179-3 



218-3 



0-58-0 



0-38-3 



0-69-7 



0-51-3 



01326 



f-7929 



378-4 



194-1 



184-3 



082-1 



0-54-3 



0-88-6 



0-66-8 



0-6615 



0-0748 



3150 



210-4 



104-6 



Alcohol-Toluene. 

 A=45'70. B (Toluene) =91-37, 



z. 



y- 



r. 



r}. 



log?. 



log*. 



p. 



Px- 



Pb- 



0-07-4 



0-41-9 



0-13-8 



0-591 



2-9025 



F-8581 



119-5 



1179 



81-6 



•200 



•49-1 



•33-4 



•65-9 



1-3989 



1-9843 



2350 



154-8 



80-2 



•28-0 



•51-6 



•43-7 



•68-1 



1-5898 



0-0278 



241-0 



1641 



76-9 



•36-3 



•54-4 



•53-3 



•70-5 



T-7558 



0-0766 



245-0 



172-8 



72-2 



•46-4 



•55-4 



•63-4 



•71-3 



T-9374 



0-0941 



2470 



176-1 



70-9 



•58-2 



•58-6 



•73-6 



•73-9 



01436 



0-1508 



249-0 



1840 



650 



•67-5 



621 



•80-6 



•76-6 



0-3174 



0-2146 



246-5 



188-8 



57-7 



•79-3 



•72-3 



•88-5 



•83-9 



0-5833 



0-4166 



241-5 



202-6 



38-9 



•89-8 



•82-1 



•94-6 



•90-2 



0-9447 



06615 



233-5 



210-6 



22-9 



