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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.  2. compute for pKb

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.  2. compute for pKb

Introduction to General, Organic and Biochemistry
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter8: Acids And Bases
Section: Chapter Questions
Problem 8.60P: 8-60 How is the buffer capacity affected by the ratio of the conjugate base to the conjugate acid?
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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. 

2. compute for pKb

Values of K, for Some Common Weak Bases Name Formula Ammonia NH3 CH,NH, Methylamine Ethylamine C₂H5NH₂ Aniline CH;NH, Pyridine C,H,N Conjugate Acid NH4+ CH3NH3 + C₂H5NH3 + C6H5NH3 + CH;NH+ Kb 1.8 x 10-5 4.38 x 10-4 5.6 x 10-4 3.8 x 10-10 1.7 x 10-9
Transcribed Image Text:Values of K, for Some Common Weak Bases Name Formula Ammonia NH3 CH,NH, Methylamine Ethylamine C₂H5NH₂ Aniline CH;NH, Pyridine C,H,N Conjugate Acid NH4+ CH3NH3 + C₂H5NH3 + C6H5NH3 + CH;NH+ Kb 1.8 x 10-5 4.38 x 10-4 5.6 x 10-4 3.8 x 10-10 1.7 x 10-9
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