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Question:
Enumerate the term vapor pressure.
Answer
In the case of miscible liquids (solution of a liquid in liquid), the partial vapour pressure exerted by each components is proportional to its molar concentration in the mixture solution. The total vapour pressure P is given by:
P=PA+PB=PoAXA+PoBXB
where,
XA and XB are mole fractions of components
A and B respectively
PoA & PoB are the vapor pressure exerted by the pure components
A and B respectively.