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The solubility of a given solute in a given solvent typically depends on temperature. Depending on the nature of the solute the solubility may increase or decrease with temperature. For many solids dissolved in liquid water, the solubility increases with temperature up to 100 Â°C.
How do solutes affect the freezing point of a solvent? Since you know what solutes and solvents are, you can now find out how solutes affect the freezing point of solvents. It can lower the freezing point by adding pressure to the solvent. When the solute expands, it adds to the pressure in the solvent. By adding pressure to the water, it lowers the freezing point. A solute can also lower the freezing point by adding more molecules to the number molecules that are already present in that solvent. This means that the number of molecules in the solute plus the molecules in the solvent makes the solution more dense which makes it take longer to freeze. For example, if you add salt to water, it will lower the freezing point.