Expressions for the dissolution of calcium fluoride

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Reference no: EM132080090

1) Among the following equilibrium expressions for the dissolution of calcium fluoride (CaF2) in water... the correct expression is?

a. K= [Ca2+] [F-] / [CaF2] b. Ksp = [Ca2+] [F-]

c. Ksp= [Ca2+] [F-]d. K= [Ca2+] [F-]2/ [CaF2]

2) 1 mg of solid AgCl is dissolved in water and as a result, the following equilibrium is established with an equilibrium constant value of K1:

Once equilibrium is established, 9 g of AgCl is then added to the mixture. The equilibrium position shifts, and a new equilibrium is established with an equilibrium constant value of K2.

How are Kand Krelated?

a. Kis greater than K2

b. Kis greater than K1

c. Kis equal to K2

d. Kand Kare not related

Reference no: EM132080090

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