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Enthalpy of Solution

one mole of a...

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one mole of anhydrous salt AB dissolves in water and liberates 15J/mol of heat .the value of △ H^° AB is -20.5 J/mol.hence the enthalpies of hydration of dissolution of hydrated salt AB .3H2O is

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Q. One mole of anhydrous salt AB dissolves in water and librates

21.0 J {m o l}^{- 1}

of heat. The value of

Δ_{H y d r a t i o n}

- 29.4 J {m o l}^{- 1}

. The heat of dissolution of hydrated salt

A B .2 H_{2} O_{(s)}

Q. One mole of anhydrous

M g {C l}_{2}

dissolves in water and liberates

25 cal/mol

Δ H_{h y d r a t i o n}

M g {C l}_{2} = - 30 cal/mol

. Heat of dissolution of

M g {C l}_{2} . H_{2} O

Q. One mole of anhydrous

M g C l_{2}

dissolve in water and liberates

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cal/mol of heat.

Δ H_{h y d r a t i o n}

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M g C l_{2} \cdot H_{2} O

Q. When one mole of anhydrous

F e S O_{4}

is dissolved in excess of water, there in evolution of

58.2 k J

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calculate the enthalpy of hydration of anhydrous

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Q. One mole of soda ash dissolves in water with evolution of 25 kJ of heat. Dissolution of 1 mol of the hydrate crystals in water resulted in the absorption of 67 kJ of heat. The heat released due to hydration of soda ash is

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