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Q#1
GATE CH 2014
NAT
+2 marks
-0 marks
Consider a binary liquid mixture at equilibrium with its vapour at 
.
Antoine equation for this system is given as 
where 
is in °C and 
in Torr. The Antoine constants ( 
, and 
) for the system are given in the following table.
Component |
|
|
|
1 | 7.0 | 1210 | 230 |
2 | 6.5 | 1206 | 223 |
The vapour phase is assumed to be ideal and the activity coefficients 
for the non-ideal liquid phase are given by
If the mole fraction of component 1 in liquid phase 
is 0.11 , then the mole fraction of component 1 in vapour phase ( 
) is 
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