Liquids A and B form ideal solution for all compositions of A and B at 25 ∘ C . Two such solutions with 0 . 25 and 0 . 50 mole fractions of A have the total vapor pressures of 0 . 3 and 0 . 4 bar, respectively. What is the vapor pressure of pure liquid B in bar?

Question

Liquids A and B form ideal solution for all compositions of A and B at 25 &#8728; C . Two such solutions with 0 . 25 and 0 . 50 mole fractions of A have the total vapor pressures of 0 . 3 and 0 . 4 bar, respectively. What is the vapor pressure of pure liquid B in bar?

Aicharya · Accepted Answer

P Total&#160; = P A o X A + P B o X B ( i ) &#8196; 0 .3 = ( P A o ) 1 4 + ( P B o ) 3 4 P A &#8728; + P B &#8728; = 1 . 2 ( ii ) &#160; 0 .4 = ( P A o ) 1 2 + ( P B o ) 1 2 P A &#8728; + P B &#8728; = 0 . 8 From equation (1) and equation (2) P B o = 0 .2 &#8196; bar and P A o = 0 .6 &#8196; bar

Liquids A and B form ideal solution for all compositions of A and B at 25 ∘ C . Two such solutions…

Solution

Liquids A and B form ideal solution for all compositions of A and B at 25 &#8728; C . Two such solutions…

Solution

Liquids A and B form ideal solution for all compositions of A and B at 25 ∘ C . Two such solutions…