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The enthalpy of solution of BaCl2(s) and...

The enthalpy of solution of `BaCl_2(s)` and `BaCl_2.2H_2O(s)` are `-20.6 kJ mol^-1` and `8.8kJ mol^-1`. The enthalpy change for the formation of hydrated salt is

A

29.8 kJ

B

-11.8 kJ

C

-20.6 kJ

D

-29.4 kJ

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The correct Answer is:
D
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