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 17.100QP: A solution contains 0.00740 M calcium ion. A concentrated sodium fluoride solution is added dropwise...
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Question
![+ 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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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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