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Using a value of Ksp = 1.8 x 10-2 for the reaction PbCl2 Pb+2(aq) + 2Cl -(aq). If the value of Ksp was determined to be only 1.2 x 10-2:
a. Too much solid has dissolved.
b. Additional precipitate is forming.
c. The solution is unsaturated.
d. The ions are now combining to reduce their concentrations.

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taskmasters
I think the correct answer from the choices listed above is option C. If the value of Ksp was determined to be only 1.2 x 10-2, then the solution is unsaturated since the Ksp determined was less than expected. Hope this answers the question.

pstnonsonjoku

Answer:

The solution is unsaturated

Explanation:

The Ksp = 1.8 x 10-2 gives us the equilibrium constant showing the extent to which the substance dissolves in a saturated solution. If the Ksp is less than this value, it then implies that the solution is unsaturated. That is, it contains less solute than it can normally hold at that temperature hence the lower Ksp.

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