Introduction to Solubility Equilibria

AP Chemistry· difficulty 3/5

[Ag+] = 0.010 M, [Cl-] = 0.010 M, Ksp(AgCl) = 1.8e-10.

Q = Ksp unsat. precipitate no solid forms solid forms Q > Ksp

Will AgCl precipitate?

  • A

    Yes, since Q = 1.0e-4 > Ksp

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  • B

    No, since Q < Ksp

  • C

    Cannot determine

  • D

    No, Q = Ksp

Explanation

Q = (0.010)(0.010) = 1.0e-4. Since Q >> Ksp = 1.8e-10, the solution is supersaturated and AgCl will precipitate.

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