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Lead thiocyanate, Pb(SCN)2. has a Kap value of 2.00 × 10 5. Pa Call Exp

Lead thiocyanate, Pb(SCN)2. has a Kap value of 2.00 × 10 5. Pa Call Exp

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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+ Common-lon Effect on Solubility for Lead Thiocyanate Lead thiocyanate, Pb(SCN)2. has a Kasp value of 2.00 x 10-5. Part A ▼ Calculate the molar solubility of lead thiocyanate in pure water. The molar solubility is the maximum amount of lead thiocyanate the solution can hold. Express your answer with the appropriate units. ▸ View Available Hint(s) Value Submit HA Common-lon Effect Consider the dissolution of AB(s) Previous Answers Part B Units X Incorrect; Try Again; 5 attempts remaining ? AB(s) A+ (aq) + B(aq) Le Châtelier's principle tells us that an increase in either [A +] or [B] will shift this equilibrium to the left, reducing the solubility of AB. In other words, AB is more soluble in pure water than in a solution that already contains A+ or B ions. This is an example of the common-ion effect. D'H uA Calculate the molar solubility of lead thiocyanate in 1.00 M KSCN. Express your answer with the appropriate units. ▸ View Available Hint(s) 31 of 39 (> Review | Constants | Periodic Table The common-ion effect can be applied to a solution of lead thiocyanate when potassium thiocyanate is added. Since there is a common ion, the cyanate ion, the molar solubility of lead thiocyanate goes down in the presence of potassium thiocyanate. ?
Transcribed Image Text:+ Common-lon Effect on Solubility for Lead Thiocyanate Lead thiocyanate, Pb(SCN)2. has a Kasp value of 2.00 x 10-5. Part A ▼ Calculate the molar solubility of lead thiocyanate in pure water. The molar solubility is the maximum amount of lead thiocyanate the solution can hold. Express your answer with the appropriate units. ▸ View Available Hint(s) Value Submit HA Common-lon Effect Consider the dissolution of AB(s) Previous Answers Part B Units X Incorrect; Try Again; 5 attempts remaining ? AB(s) A+ (aq) + B(aq) Le Châtelier's principle tells us that an increase in either [A +] or [B] will shift this equilibrium to the left, reducing the solubility of AB. In other words, AB is more soluble in pure water than in a solution that already contains A+ or B ions. This is an example of the common-ion effect. D'H uA Calculate the molar solubility of lead thiocyanate in 1.00 M KSCN. Express your answer with the appropriate units. ▸ View Available Hint(s) 31 of 39 (> Review | Constants | Periodic Table The common-ion effect can be applied to a solution of lead thiocyanate when potassium thiocyanate is added. Since there is a common ion, the cyanate ion, the molar solubility of lead thiocyanate goes down in the presence of potassium thiocyanate. ?
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