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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)

General, Organic, and Biological Chemistry
General, Organic, and Biological Chemistry
7th Edition
ISBN:9781285853918
Author:H. Stephen Stoker
Publisher:H. Stephen Stoker
Chapter10: Acids, Bases, And Salts
Section: Chapter Questions
Problem 10.118EP: Using the diagrams shown in Problem 10-117, which of the solutions would have the greatest buffer...
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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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