Using the table of the weak base below, you have chosen Pyridine as your weak base in the buffer solution. You have already added enough of the conjugate acid salt to make the buffer solution concentration at 0.62 M in this salt. The desired pH of the buffer should be equal to 4.5. Values of K, for Some Common Weak Bases Name Formula Kb 1.8 x 10-5 Ammonia Methylamine NH3 CHÍNH, 4.38 x 10-4 C₂H5NH₂ 5.6 x 10-4 Ethylamine Aniline CHẠNH, 3.8 x 10-10 Pyridine CsHsN 1.7 x 10-⁹ 2. Compute for pKb Conjugate Acid NH4+ CH;NH * C₂H5NH3+ CH,NH,* CH,NH*
Using the table of the weak base below, you have chosen Pyridine as your weak base in the buffer solution. You have already added enough of the conjugate acid salt to make the buffer solution concentration at 0.62 M in this salt. The desired pH of the buffer should be equal to 4.5. Values of K, for Some Common Weak Bases Name Formula Kb 1.8 x 10-5 Ammonia Methylamine NH3 CHÍNH, 4.38 x 10-4 C₂H5NH₂ 5.6 x 10-4 Ethylamine Aniline CHẠNH, 3.8 x 10-10 Pyridine CsHsN 1.7 x 10-⁹ 2. Compute for pKb Conjugate Acid NH4+ CH;NH * C₂H5NH3+ CH,NH,* CH,NH*
Chapter15: Acid-base Equilibria
Section: Chapter Questions
Problem 8ALQ: You have a solution of the weak acid HA and add some of the salt NaA to it. What are the major...
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![Using the table of the weak base below, you have chosen Pyridine as your weak base in the buffer solution. You have already added
enough of the conjugate acid salt to make the buffer solution concentration at 0.62 M in this salt. The desired pH of the buffer should
be equal to 4.5.
Values of K, for Some Common Weak Bases
Name
Formula
Kb
1.8 x 10-5
Ammonia
Methylamine
NH3
CHÍNH,
4.38 x 10-4
C₂H5NH₂
5.6 x 10-4
Ethylamine
Aniline
CHẠNH,
3.8 x 10-10
Pyridine
CsHsN
1.7 x 10-⁹
2. Compute for pKb
Conjugate
Acid
NH4+
CH;NH *
C₂H5NH3+
CH,NH,*
CH,NH*](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7f6cad06-8d35-42ec-9532-8e92dbae1ef7%2F89a0a57a-59a7-4b68-8735-4c1a6ff6b750%2F13jnyzb_processed.png&w=3840&q=75)
Transcribed Image Text:Using the table of the weak base below, you have chosen Pyridine as your weak base in the buffer solution. You have already added
enough of the conjugate acid salt to make the buffer solution concentration at 0.62 M in this salt. The desired pH of the buffer should
be equal to 4.5.
Values of K, for Some Common Weak Bases
Name
Formula
Kb
1.8 x 10-5
Ammonia
Methylamine
NH3
CHÍNH,
4.38 x 10-4
C₂H5NH₂
5.6 x 10-4
Ethylamine
Aniline
CHẠNH,
3.8 x 10-10
Pyridine
CsHsN
1.7 x 10-⁹
2. Compute for pKb
Conjugate
Acid
NH4+
CH;NH *
C₂H5NH3+
CH,NH,*
CH,NH*
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