You make a solution composed of 156.8 g of acetic acid and 18.7 g of a mystery solute. If the freezing point depression for the solution is 5.70 °C then what is the molar mass of the solute? We will assume your answer is in units of g/mol. You do not need to include these units in your answer. The Kf of acetic acid is 3.90 °C • kg mol-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.