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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. Compute for pKb (round off to 2 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. Compute for pKb (round off to 2 decimal places)

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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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.

Compute for pKb (round off to 2 decimal places)

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