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Does the solubility of cerium(III) sulphate solute increase or decrease with temperature?

Does the solubility of cerium(III) sulphate solute increase or decrease with temperature?

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Answer #1

The solubility of any inorganic compound increases or decreases with the change in temperature.

The trend of soluibility depends on the enthalpy of the solution. If the enthalpy of the solution is positive (endothermic process) then the solubility increases with the incerase in the temperature.

If the enthalpy of the solution is negative (exothermic process ) then the solubility decreases with the increase in the temperature.

For cerium(III) sulfate the enthalpy of solution (with water) is negative and hence the solubility decreases with increase in temperature.

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