At a certain temperature the vapor pressure of pure thiophene (C₂H4S) is measured to be 0.33 alm. Suppose a solution is prepared by mixing 70.2 g of thiophene and 101. g of heptane (C₂H₁6). Calculate the partial pressure of thiophene vapor above this solution. Be sure your answer has the correct number of significant digits. Note for advanced students: you may assume the solution is ideal. al alm X

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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.