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What is the free energy change in dissol...

What is the free energy change in dissolving one mole of NaCl with its lattice energy and hydration energy of `-777.8 kJ mol^-1` and `-774 kJ mol^-1` respectively at `25^@ C`?
(Given: `DeltaS=0.043 kJ K^-1 mol^-1`)

A

`-18.2 kJ mol^-1`

B

`-36.4 kJ mol^-1`

C

`-9.1 kJ mol^-1`

D

`18.2 kJ mol^-1`

Text Solution

Verified by Experts

The correct Answer is:
C
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