If we are given the ksp of AgCl at 14°C and 42°C,how do we find the ∆H° for the dissociation of AgCl(s)?

Answer 1

I would look at the van't Hoff equation.
Here is a good discussion on Wikipedia.
https://en.wikipedia.org/wiki/Van_%27t_Hoff_equation

Answer 2

This is the first time I've ever heard this.Thank you!