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Section 1 Ideal and Real Solutions

Subsection 1.1 Defining the Ideal Solution

As we've seen, the vapor pressure of a liquid is related to the strength of molecular interactions. In an ideal multicomponent solution, all substances have equally strong chemical interactions. The vapor pressure \(P_i\) of some component \(i\) in equilibrium with the solution is thus given by $$P_i=x_iP_i^*$$.