The vapor pressure of benzene and of methylbenzene at 20°C is 75.0 and 21.0 torr, respectively. If 5.00 moles of benzene are mixed with 5.00 moles of methylbenzene, calculate the total vapor pressure of the mixture. What is the chemical composition of the vapor? Assume that the resulting solution is ideal and the vapor phase behaves like an ideal gas.

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Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.