Complete the following table, which lists information about the measured acid dissociation constants of three unknown weak acids. Note: be sure each number you put in the table has the correct number of significant digits. acid A B U Ka -3 3. x 10 pK 8.944 2.49 relative strength ✓ (Choose one) 1 (strongest) 2 3 (weakest) (Choose one) 8 X

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Chapter14: Acids And Bases
Section: Chapter Questions
Problem 10RQ: For oxyacids, how does acid strength depend on a. the strength of the bond to the acidic hydrogen...
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Complete the following table, which lists information about the measured acid dissociation constants of three unknown weak acids.
Note: be sure each number you put in the table has the correct number of significant digits.
acid
A
B
с
-0
pH =
Ka
3. x 10
1%
-3
pK
8.944
2.49
relative strength
✔ (Choose one)
1 (strongest)
2
3 (weakest)
(Choose one) e
Calculate the pH at 25 °C of a 0.31M solution of pyridinium chloride (C-H5NHC1). Note that pyridine (C5H5N) is a weak base with a pK, of 8.77.
Round your answer to 1 decimal place.
X
S
In a 1.8M aqueous solution of benzoic acid (C6H₂CO₂H), what is the percentage of benzoic acid that is dissociated? You can find some data that is useful for
solving this problem in the ALEKS Data resource.
Round your answer to 2 significant digits.
Ś
Transcribed Image Text:Complete the following table, which lists information about the measured acid dissociation constants of three unknown weak acids. Note: be sure each number you put in the table has the correct number of significant digits. acid A B с -0 pH = Ka 3. x 10 1% -3 pK 8.944 2.49 relative strength ✔ (Choose one) 1 (strongest) 2 3 (weakest) (Choose one) e Calculate the pH at 25 °C of a 0.31M solution of pyridinium chloride (C-H5NHC1). Note that pyridine (C5H5N) is a weak base with a pK, of 8.77. Round your answer to 1 decimal place. X S In a 1.8M aqueous solution of benzoic acid (C6H₂CO₂H), what is the percentage of benzoic acid that is dissociated? You can find some data that is useful for solving this problem in the ALEKS Data resource. Round your answer to 2 significant digits. Ś
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