difference between solvation enthalpy and hydration enthalpy?

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Solution

Dear Student,

1.Enthalpy of hydration is the amount of heat evolved when one mole of an ion dissolves in water .while enthalpy of solvation is the energy change when 1 mole of any ionic solid dissolves in any solvent .
2. Enthalpy of hydration is always negative but enthalpy of solvation may be positive or negative.
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Explain Solvation enthalpy of ionic compounds and give the difference between solubility and solvation enthalpy?

BeSO₄ is water soluble while CaSO₄ is not. This is because of:

N a C l

772 k J {m o l}^{- 1}

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3 : 2.5

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