Question

A buffer with a pH=10.0 is needed for a particular experiment. Which of the following weak acid is the best choice for the preparation of this buffer? disodium phosphate pKa = 12.38 cyclohexylaminoethanesulfonic acid pKa = 9.39 3-(Cyclohexylamino)propanesulfonic acid pKa = 10.40 ammonium chloride pKa = 9.24 sodium dihydrogen borate pKa = 12.74

          A buffer with a pH=10.0 is needed for a particular experiment. Which of the following weak acid is the best choice for the preparation of this buffer?

disodium phosphate pKa = 12.38
cyclohexylaminoethanesulfonic acid pKa = 9.39
3-(Cyclohexylamino)propanesulfonic acid pKa = 10.40
ammonium chloride pKa = 9.24
sodium dihydrogen borate pKa = 12.74

A buffer with a pH=10.0 is needed for a particular experiment. Which of the following weak acid is the best choice for the preparation of this buffer?

disodium phosphate pKa = 12.38
cyclohexylaminoethanesulfonic acid pKa = 9.39
3-(Cyclohexylamino)propanesulfonic acid pKa = 10.40
ammonium chloride pKa = 9.24
sodium dihydrogen borate pKa = 12.74

Added by Diane C.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Sri K

01/02/2023

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Add 1.5 g of ammonium chloride and stir until the mixture is clear. Add Show more…

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A buffer with a pH=10.0 is needed for a particular experiment. Which of the following weak acid is the best choice for the preparation of this buffer? disodium phosphate pKa = 12.38 cyclohexylaminoethanesulfonic acid pKa = 9.39 3-(Cyclohexylamino)propanesulfonic acid pKa = 10.40 ammonium chloride pKa = 9.24 sodium dihydrogen borate pKa = 12.74