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Part A - Calculate the value of Q What is the value of Q when the solution contains 2.00 x 10 2M Ca² and 3.00 × 10 M CrO² Express your answer numerically. ▸ View Available Hint(s) 10 ΑΣΦ Submit Part B Complete previous part(s) ▾ Part C What concentration of the lead ion, Pb²+, must be exceeded to precipitate PbCl₂ from a solution that is 1.00 x 102 M in the chloride ion. Cl? Kp for lead(1) chloride is 1.17 x 10-5 Express your answer with the appropriate units. ▸ View Available Hint(s)

Part A - Calculate the value of Q What is the value of Q when the solution contains 2.00 x 10 2M Ca² and 3.00 × 10 M CrO² Express your answer numerically. ▸ View Available Hint(s) 10 ΑΣΦ Submit Part B Complete previous part(s) ▾ Part C What concentration of the lead ion, Pb²+, must be exceeded to precipitate PbCl₂ from a solution that is 1.00 x 102 M in the chloride ion. Cl? Kp for lead(1) chloride is 1.17 x 10-5 Express your answer with the appropriate units. ▸ View Available Hint(s)

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter17: Solubility And Complex-ion Equilibria
Section: Chapter Questions
Problem 17.117QP
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Precipitation Learning Goal: To understand the relationship between precipitation and the solubility product and to be able to predict whether a substance will precipitate or not. Precipitation is the formation of an insoluble substance. For the equation AB(s) A+ (aq) + B (aq). precipitation represents a shift to the left and the production of a solid. From Le Châtelier's principle, we know that when the product of the concentrations of A and B gets above a certain level, the reaction will respond by shifting left to decrease the concentrations of A and B This critical level, Ksp. is a constant at a certain temperature. In this case, Q = [A+][B]. where is the ion product. When Q> Kp. precipitation occurs until Q is equal to Kp. When Q≤ Ksp. a precipitate does not form. Part A - Calculate the value of Q What is the value of Qwhen the solution contains 2.00 x 10 2M Ca²+ and 3.00 x 10 2M CrO²? Express your answer numerically. ▸ View Available Hint(s) Q= IVD ΑΣΦ Submit Part C Part B Complete previous part(s) μÀ Value Submit h What concentration of the lead ion, Pb²+, must be exceeded to precipitate PbCl₂ from a solution that is 1.00 x 10-2 M in the chloride ion, Cl? Kup for lead chloride 1.17 x 10-5. Express your answer with the appropriate units. ▸ View Available Hint(s) S C ? Units 33 of 39 Review | Constants | Periodic Table
Transcribed Image Text:Precipitation Learning Goal: To understand the relationship between precipitation and the solubility product and to be able to predict whether a substance will precipitate or not. Precipitation is the formation of an insoluble substance. For the equation AB(s) A+ (aq) + B (aq). precipitation represents a shift to the left and the production of a solid. From Le Châtelier's principle, we know that when the product of the concentrations of A and B gets above a certain level, the reaction will respond by shifting left to decrease the concentrations of A and B This critical level, Ksp. is a constant at a certain temperature. In this case, Q = [A+][B]. where is the ion product. When Q> Kp. precipitation occurs until Q is equal to Kp. When Q≤ Ksp. a precipitate does not form. Part A - Calculate the value of Q What is the value of Qwhen the solution contains 2.00 x 10 2M Ca²+ and 3.00 x 10 2M CrO²? Express your answer numerically. ▸ View Available Hint(s) Q= IVD ΑΣΦ Submit Part C Part B Complete previous part(s) μÀ Value Submit h What concentration of the lead ion, Pb²+, must be exceeded to precipitate PbCl₂ from a solution that is 1.00 x 10-2 M in the chloride ion, Cl? Kup for lead chloride 1.17 x 10-5. Express your answer with the appropriate units. ▸ View Available Hint(s) S C ? Units 33 of 39 Review | Constants | Periodic Table
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