(CaF 2) = 4.0 x 10-11) Calculate the molar solubility of CaF 2 in a 0.25 M solution of NaF(aq). (K sp 1.3 x 10-5 M 6.4 x 10-10 M 1.6 x 10-10 M 4.0 x 10-11 M 2.2 x 104 M

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
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Chapter20: Applications Of Oxidation/reduction Titrations
Section: Chapter Questions
Problem 20.26QAP
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Question 14

 

4.10
4.05
3.78
QUESTION 14
Calculate the molar solubility of CaF , in a 0.25 M solution of NaF(aq) (K sp (CaF 2) = 40 x 10 -11)
1.3 x 10-5 M
6.4x 10-10 M
1.6 x 10-10 M
%3D
0.4.0 x 10-11M
O22x 104 M
QUESTION 15
For which type of titration will the pH be basic at the equivalence point?
None of the above.
O Weak acid vs. strong base.
Transcribed Image Text:4.10 4.05 3.78 QUESTION 14 Calculate the molar solubility of CaF , in a 0.25 M solution of NaF(aq) (K sp (CaF 2) = 40 x 10 -11) 1.3 x 10-5 M 6.4x 10-10 M 1.6 x 10-10 M %3D 0.4.0 x 10-11M O22x 104 M QUESTION 15 For which type of titration will the pH be basic at the equivalence point? None of the above. O Weak acid vs. strong base.
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