Homework Help: Chemistry (entropy)

Posted by help please on Thursday, April 24, 2008 at 1:32am.

Calculate the Ksp of CaF2 (2 is subscript).
The problem wants it calculated with all or one of the following:
G = -1162 kJ/mol
H = -1215 kJ/mol
S = 68.87 J/mol*k

The answer is 1.55*10^(-10). How do I do this?

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