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Heat of hydration or enthalpy of hydration of ions corresponds to the heat that is released by hydration of one mole of ions at a constant pressure. The more the ion is hydrated, the more heat is released. Degree of hydration depends on the size and charge of ion. The smaller the ion and the greater its charge, it will be the more hydrated.
Wiki User
∙ 9y ago
Wiki User
∙ 13y agodelta h of the solution = delta h of the lattice energy + heat of hydration
delta h = enthalpy change
heat of hydration should be negative.
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