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Postby ng1D » Fri Jan 17, 2020 8:46 pm

How do we use equilibrium constants to predict solubility?

Jonathan Gong 2H
Posts: 105
Joined: Sat Jul 20, 2019 12:16 am

Re: Solubility

Postby Jonathan Gong 2H » Sat Jan 18, 2020 2:25 pm

The equilibrium constant for predicting solubility would be Ksp and can only be applied for solids dissolving in an aqueous solution. For a reaction such as aA(s) --> bB(aq) + cC(aq), Ksp can be determined by the equation Ksp = [B]^b * [C]^c. The higher the Ksp, the more soluble it is.

Bilal Pandit 1J
Posts: 98
Joined: Wed Sep 11, 2019 12:16 am

Re: Solubility

Postby Bilal Pandit 1J » Sat Jan 18, 2020 2:32 pm

Equilibrium constants just describe how the reaction will be at equilibrium (the relative concentrations of the products and reactants), so you can use it to predict the behavior of any reaction.

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