Okay so I'm confused. In my book it says that ksp for Ca(OH)2 = 6.5E-6 and [tex]\Delta G=-898.5[/tex] yet when I use the equation [tex]\Delta G=-RTln(Ksp)[/tex] the value I get is 29.59KJ/mol. I used R=8.314 and T=298K. What's up with that? Thanks.(adsbygoogle = window.adsbygoogle || []).push({});

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# Homework Help: Calculating free energy from Ksp

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