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Heat of sol^(n) of CuSO(4) (s) and CuSO(...

Heat of `sol^(n)` of `CuSO_(4) (s)` and `CuSO_(4) . 5 H_(2) O` is 15.9 and 19.3 kJ/mol respectively . Find the heat of hydration of `CuSO_(4) ` (s)

Text Solution

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`CuSO_(4) (s) + aq to CuSO_(4) (aq) "________" (1) Delta H = -15.9`
`CuSO_(4) , 5H_(2) O + aq to CuSO_(4) (aq) "______" (2) Delta H = 19.3`
Reversing `eq^(n)` (1) and adding (2)
`CuSO_(4) (s) + aq to CuSO_(4) (aq) Delta H = 15.9`
`CuSO_(4) . 5H_(2)O + aq to CuSO_(4) (aq) Delta H = 19.3`
`overline (CuSO_(4) . 5H_(2)O to CuSO_(4) (s)`
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