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 Acid Name Formula Kb NH4+ 1.8 x 10-5 Ammonia Methylamine NH3 CHÍNH, CHÍNH * 4.38 x 10-4 C₂H5NH₂ C₂H5NH₂+ 5.6 x 10-4 Ethylamine Aniline Pyridine CHẠNH, C6H5NH3+ 3.8 x 10-10 CsHsN CH,NH* 1.7 x 10-⁹ 3. Compute the concentration of the weak base in Molarity. (round off answer to 3 decimal places)

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 Acid Name Formula Kb NH4+ 1.8 x 10-5 Ammonia Methylamine NH3 CHÍNH, CHÍNH * 4.38 x 10-4 C₂H5NH₂ C₂H5NH₂+ 5.6 x 10-4 Ethylamine Aniline Pyridine CHẠNH, C6H5NH3+ 3.8 x 10-10 CsHsN CH,NH* 1.7 x 10-⁹ 3. Compute the concentration of the weak base in Molarity. (round off answer to 3 decimal places)

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter20: Acidity And Pka Of Phenols

Section: Chapter Questions

Problem 3CTQ

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