Consider a binary solution for which the vapor pressure (in torr) of one of the components (say component 1) is given empirically by     Calculate the activity and the activity coefficient of component 1 when x1 = 0.25 based on (a) a solvent standard state; (b) a solute standard state.

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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.