Phenanthrene, C14H10, is an aromatic hydrocarbon. Some phenanthrene is dissolved in 50.0 g of benzene and the boiling point of the resulting solution is 80.51°C. What mass of phenanthrene must have been dissolved? The Kp for benzene is 2.53 °C/m and the boiling point of pure benzene is 80.2°C.

Q: CH4 (9) + 202(9) CO2(9) + 2H2O(1)

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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.