The vapor pressures of the components, A and B, in a binary solution have been modeled and found to obey PA=XAPA P*exp(0.75%) P=XP*exp(0.75%) where XA and are the mole fractions, and PA* and PB* are the vapor pressures of each pure substance at room temperature. (a) If PA* = 0.084 bar and the total pressure of a mixture with XA = 0.40 is 0.125 bars, what is PB*, the vapor pressure of pure B (in bars)? B QUESTION 14 Continuation of the previous problem (b) Assuming that the vapor is an ideal gas, what is the mole fraction of component B in the vapor phase?
The vapor pressures of the components, A and B, in a binary solution have been modeled and found to obey PA=XAPA P*exp(0.75%) P=XP*exp(0.75%) where XA and are the mole fractions, and PA* and PB* are the vapor pressures of each pure substance at room temperature. (a) If PA* = 0.084 bar and the total pressure of a mixture with XA = 0.40 is 0.125 bars, what is PB*, the vapor pressure of pure B (in bars)? B QUESTION 14 Continuation of the previous problem (b) Assuming that the vapor is an ideal gas, what is the mole fraction of component B in the vapor phase?
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Transcribed Image Text:The vapor pressures of the components, A and B, in a binary solution have been modeled and found to obey
хара
exp(0.75 XB)
A A
exp(0.75x)
where XÃ and are the mole fractions, and PA* and PB* are the vapor pressures of each pure substance at room temperature.
(a) If PA* = 0.084 bar and the total pressure of a mixture with XA = 0.40 is 0.125 bars, what is PB*, the vapor pressure of pure B (in bars)?
P = X P
А
P₁ = X_P
B
QUESTION 14
B B
*
*
Continuation of the previous problem
(b) Assuming that the vapor is an ideal gas, what is the mole fraction of component B in the vapor phase?
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