Using the table of the weak base below, you have chosen Aniline 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 0.71 M in this salt. The desired pH of the buffer should be equal to 3.8. Values of K, for Some Common Weak Bases Conjugate Name Formula Acid Kb Ammonia NH4+ 1.8 x 10-5 NH3 CH;NH, Methylamine CH3NH3+ 4.38 x 10-4 C₂H5NH₂ C₂H5NH3+ 5.6 x 10-4 Ethylamine Aniline CH;NH, C6H5NH3+ 3.8 x 10-10 Pyridine C,H,N CH;NH* 1.7 x 10-⁹ 3. Compute the concentration of the weak base in Molarity (round off answer to 4 decimal places).
Using the table of the weak base below, you have chosen Aniline 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 0.71 M in this salt. The desired pH of the buffer should be equal to 3.8. Values of K, for Some Common Weak Bases Conjugate Name Formula Acid Kb Ammonia NH4+ 1.8 x 10-5 NH3 CH;NH, Methylamine CH3NH3+ 4.38 x 10-4 C₂H5NH₂ C₂H5NH3+ 5.6 x 10-4 Ethylamine Aniline CH;NH, C6H5NH3+ 3.8 x 10-10 Pyridine C,H,N CH;NH* 1.7 x 10-⁹ 3. Compute the concentration of the weak base in Molarity (round off answer to 4 decimal places).
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter15: Additional Aqueous Equilibria
Section: Chapter Questions
Problem 2SP: Choose a weak-acid/weak-base conjugate pair from which you could prepare a buffer solution with pH =...
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![Using the table of the weak base below, you have chosen Aniline 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 0.71 M in this salt. The desired pH of the buffer should be equal to
3.8.
Values of K₁ for Some Common Weak Bases
Conjugate
Acid
Name
Formula
Kb
Ammonia
NH4+
1.8 x 10-5
NH3
CH,NH,
Methylamine
CH3NH3 +
4.38 x 10-4
C₂H5NH₂
C₂H5NH3+
5.6 x 10-4
Ethylamine
Aniline
CH;NH,
C6H5NH3 +
3.8 x 10-10
Pyridine
C,H,N
CH;NH*
1.7 x 10-⁹
3. Compute the concentration of the weak base in Molarity (round off answer to 4
decimal places).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7f6cad06-8d35-42ec-9532-8e92dbae1ef7%2Fa4d89488-45a1-4ca4-afdf-6e35d57beaa5%2Fjnlc4eo_processed.png&w=3840&q=75)
Transcribed Image Text:Using the table of the weak base below, you have chosen Aniline 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 0.71 M in this salt. The desired pH of the buffer should be equal to
3.8.
Values of K₁ for Some Common Weak Bases
Conjugate
Acid
Name
Formula
Kb
Ammonia
NH4+
1.8 x 10-5
NH3
CH,NH,
Methylamine
CH3NH3 +
4.38 x 10-4
C₂H5NH₂
C₂H5NH3+
5.6 x 10-4
Ethylamine
Aniline
CH;NH,
C6H5NH3 +
3.8 x 10-10
Pyridine
C,H,N
CH;NH*
1.7 x 10-⁹
3. Compute the concentration of the weak base in Molarity (round off answer to 4
decimal places).
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