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The general equilibrium constant expression, K eq , for the general reaction aA

ID: 934661 • Letter: T

Question

The general equilibrium constant expression, Keq, for the general reaction

aA + bB ? cC + dD

is:


Because the concentration of all solids and liquids is constant, solid and liquid compounds are not not shown in the equilibrium constant expression of a reaction. For the reaction:

aA(aq) + bB(s) ? cC(l) + dD(aq)


The equilibrium constant expression would be:


When a solid is dissolved into a solution, a special name and symbol are given to the equilibrium constant, those are the solubility product constant, KSP The useful thing about KSP is that it indicates a slightly soluble solid is being dissolved into a solvent.

What will be the solubility product constant for the reaction:

Ca(OH)2(s) ? Ca2+(aq) + 2 OH-(aq)

A)

B)

C)

D)

The general equilibrium constant expression, Keq, for the general reaction aA + bB ? cC + dD is: D) C) B) When a solid is dissolved into a solution, a special name and symbol are given to the equilibrium constant, those are the solubility product constant, KSP The useful thing about KSP is that it indicates a slightly soluble solid is being dissolved into a solvent. What will be the solubility product constant for the reaction: Ca(OH)2(s) ? Ca2+(aq) + 2 OH-(aq)

Explanation / Answer

my guess

1) first one answer

The equilibrium constant expression Kc = [D]d/[A]a

2) second one solubilty product

Ksp = [Ca^+2][OH-]^2

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