1.

One mole of anhydrous salt AB dissolves in water and liberates 15 J mol^(-1) of heat .The value of Delta H_(hydration)^° of AB is -20.05 J mol^(-1) .Hence the enthalpy of dissolution of hydrated salt AB.3H_2O(s) is

Answer»

`-5.5J` `MOL^(-1)`
`5.5J` `mol^(-1)`
`35.5J` `mol^(-1)`
`-35.5J` `mol^(-1)`

ANSWER :B


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