If the vapor pressure of liquid A is {P_A}^o | vedclass

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Question

(C) According to Raoult's Law,the partial vapor pressure of a component in an ideal solution is given by the product of its mole fraction and its pure

Vedclass · Accepted Answer

${P_A}^o - X_B {P_A}^o$

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(C) According to Raoult's Law,the partial vapor pressure of a component in an ideal solution is given by the product of its mole fraction and its pure vapor pressure.For component $A$,the partial vapor pressure $P_A$ is given by $P_A = X_A {P_A}^o$.Since the sum of mole fractions in a binary solution is $X_A + X_B = 1$,we have $X_A = 1 - X_B$.Substituting this into the equation,we get $P_A = (1 - X_B) {P_A}^o = {P_A}^o - X_B {P_A}^o$.

If the vapor pressure of liquid $A$ is ${P_A}^o$ and the vapor pressure of liquid $B$ is ${P_B}^o$,then the partial vapor pressure of $A$ in the solution will be .....

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