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The enthalpy change during the formation...

The enthalpy change during the formation of 24.95 grams of hydrated copper sulphate from anhydrous copper sulphate (mol. Wt =159.5 ) is
`CuSO_(4)+5H_(2)O rarr CuSO_(4).5H_(2)O, DeltaH=-78.2 kJ`

A

`-78.21KJ`

B

`78.21KJ`

C

`7.82KJ`

D

`-7.82KJ`

Text Solution

Verified by Experts

The correct Answer is:
C
`249.5gmCuSO_(4).5H_(2)Orarr-78.5KJ`
`24.95gmrarr?x`
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