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The desired pH of the buffer should be equal to 4.5.    1. Compute the poH of the buffer solution. (Supply answer up to the 1st decimal point)

The desired pH of the buffer should be equal to 4.5.    1. Compute the poH of the buffer solution. (Supply answer up to the 1st decimal point)

Chemistry: The Molecular Science
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 108QRT
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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. 



 

1. Compute the poH of the buffer solution. (Supply answer up to the 1st decimal point)

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 Conjugate Name Formula Acid Kb Ammonia 1.8 x 10-5 NH3 CH,NH, Methylamine NH4+ CH3NH3+ 4.38 x 10-4 Ethylamine C₂H5NH₂ C₂H5NH3 + 5.6 x 10-4 Aniline CH;NH, C6H5NH3 + 3.8 x 10-10 Pyridine C,H,N CH;NH* 1.7 x 10-9 1. Compute the poH of the buffer solution. (Supply answer up to the 1st decimal point)
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 Conjugate Name Formula Acid Kb Ammonia 1.8 x 10-5 NH3 CH,NH, Methylamine NH4+ CH3NH3+ 4.38 x 10-4 Ethylamine C₂H5NH₂ C₂H5NH3 + 5.6 x 10-4 Aniline CH;NH, C6H5NH3 + 3.8 x 10-10 Pyridine C,H,N CH;NH* 1.7 x 10-9 1. Compute the poH of the buffer solution. (Supply answer up to the 1st decimal point)
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2. Compute for pKb. (Supply answer up to the 2nd decimal point.)

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