Why solubility increases with temperature

They are all gases at standard pressure. When a solvent with a gas dissolved in it is heated, the kinetic energy of both the solvent and solute increases. As the kinetic energy of the gaseous solute increases, its molecules have a greater tendency to escape the attraction of the solvent molecules and return to the gas phase.

Therefore, the solubility of a gas decreases as the temperature increases. Solubility curves can be used to determine if a given solution is saturated or unsaturated. This means that the solution will be saturated since 48 g is less than 80 g. Now the solution is unsaturated since it contains only the original 80 g of dissolved solute. Skip to main content. Search for:. How Temperature Influences Solubility Learning Objectives Describe the influence of temperature on the solubility of solids in water.

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