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Thought questions to help you with the selective precipitation related questions (don't spend too much time on these, but do take notes)! Which direction will a reaction proceed if Q< K? What about when we are thinking about Ksp, what will that mean for the likelihood of the formation of a solid?

Thought questions to help you with the selective precipitation related questions (don't spend too much time on these, but do take notes)! Which direction will a reaction proceed if Q< K? What about when we are thinking about Ksp, what will that mean for the likelihood of the formation of a solid?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Thought questions to help you with the selective precipitation related questions (don't spend too much time on these, but do take notes)! Which direction will a reaction proceed if Q< K? What about when we are thinking about Ksp, what will that mean for the likelihood of the formation of a solid? Which direction will a reaction proceed if Q> K? What about when we are thinking. about Ksp, what will that mean for the likelihood of the formation of a solid? yle If chloride is being slowly added to a solution containing lead(II) ions, what would be the purpose of finding the concentration of chloride required for Q = K? What if there's less chloride added than that? What if there's more chloride added than that? Think back to Lab 4 (the qualitative analysis lab where you needed to determine if your unknown solution had Ag+, Pb2+, and/or Hg22+). One part of the lab had you take a solution containing all three of these ions and form precipitates of all three with chloride by adding hydrochloric acid (forming AgCl, PbCl2, and Hg₂Cl2). o Once the solids formed, was there likely any aqueous ions remaining in solution (specifically Ag+, Pb²+, or Hg₂²+)? 2- After that the solution was heated to dissolve the PbCl2, after which you performed a separation of the solid and the dissolved species. Would any silver and/or mercury(I) ions be present in that solution along with the lead(II) ions?
Transcribed Image Text:Thought questions to help you with the selective precipitation related questions (don't spend too much time on these, but do take notes)! Which direction will a reaction proceed if Q< K? What about when we are thinking about Ksp, what will that mean for the likelihood of the formation of a solid? Which direction will a reaction proceed if Q> K? What about when we are thinking. about Ksp, what will that mean for the likelihood of the formation of a solid? yle If chloride is being slowly added to a solution containing lead(II) ions, what would be the purpose of finding the concentration of chloride required for Q = K? What if there's less chloride added than that? What if there's more chloride added than that? Think back to Lab 4 (the qualitative analysis lab where you needed to determine if your unknown solution had Ag+, Pb2+, and/or Hg22+). One part of the lab had you take a solution containing all three of these ions and form precipitates of all three with chloride by adding hydrochloric acid (forming AgCl, PbCl2, and Hg₂Cl2). o Once the solids formed, was there likely any aqueous ions remaining in solution (specifically Ag+, Pb²+, or Hg₂²+)? 2- After that the solution was heated to dissolve the PbCl2, after which you performed a separation of the solid and the dissolved species. Would any silver and/or mercury(I) ions be present in that solution along with the lead(II) ions?
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