Given the reactions: YF3(s)⇌ Y3+(aq) + 3F- (aq) KSP = 8.62 x10-21 HF(s)⇌ H+ (aq) + F- (aq) Ka= 6.3x10-4 Predict the how the solubility of YF3 changes with increasing and decreasing the pH of the solution.

Chemistry: The Molecular Science
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ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter15: Additional Aqueous Equilibria
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Given the reactions:

YF3(s)⇌ Y3+(aq) + 3F-

(aq) KSP = 8.62 x10-21

HF(s)⇌ H+
(aq) + F-
(aq) Ka= 6.3x10-4

Predict the how the solubility of YF3 changes with increasing and decreasing the pH of the solution.

 

Expert Solution
Step 1

According to the question,

YF3(s)  Y3+(aq) + 3F-(aq)  Ksp = 8.62 × 10-21

HF(s)  H+(aq) + F-(aq)  Ka = 6.3 × 10-4 

 

Find- how the solubility of YF3 changes with increasing and decreasing the pH of the solution.

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