Equilibrium Constants and Solubility

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Eliana Carney 3E
Posts: 102
Joined: Wed Sep 30, 2020 9:31 pm

Equilibrium Constants and Solubility

Postby Eliana Carney 3E » Fri Mar 12, 2021 12:39 am

Hey guys!
One of the bullet points on outline #1 for chemical equilibrium states "use equilibrium constants to predict solubility". Can someone explain the correlation between solubility and the equilibrium constant? Thanks in advance!

Adrienne Yuh 2B
Posts: 110
Joined: Wed Sep 30, 2020 10:03 pm

Re: Equilibrium Constants and Solubility

Postby Adrienne Yuh 2B » Fri Mar 12, 2021 1:16 am

Hi! I just found out the correlation. The higher the solubility constant (Ksp), the more soluble the compound is. However, I don't think we really covered Ksp, so in general, when the equilibrium constant is larger, it would be more soluble. The more product (the dissolved) there is, the more soluble the reactants were.

clairehathaway 2J
Posts: 112
Joined: Wed Sep 30, 2020 9:38 pm

Re: Equilibrium Constants and Solubility

Postby clairehathaway 2J » Fri Mar 12, 2021 7:55 pm

At one of his discussion sections early in the quarter Dr. Lavelle said that a larger K value for a solid means it is more soluble.


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