Question

What is hydration enthalpy?

Answer 1

The heat energy released when new bonds are made between the ions and water molecules is known as thehydration enthalpy of the ion. Thehydration enthalpy is the enthalpychange when 1 mole of gaseous ions dissolve in sufficient water to give an infinitely dilute solution.

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Answer 2

when new bonds are made between ions and water molecules heat energy is released this heat energy is known as hydration enthalpy...............

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