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One mole of anahydrous MgCl(2) dissolves...

One mole of anahydrous `MgCl_(2)` dissolves in water and liberates 25 cal`//`mol. Heat of dissolution of `MgCl_(2)`. `H_(2)O` is :

A

`+5cal//mol`

B

`-5cal//mol`

C

`55cal//mol`

D

`-55cal//mol`

Text Solution

Verified by Experts

The correct Answer is:
A
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