3. Phenylephrine (PE, see the structure below) is a nasal decongestant and is the active ingredient in Sudafed, which contains phenylephrine hydrochloride (PEHCI). This conjugate acid of phenylephrine (PEH*) has a pka = 5.25 at a physiological pH of 7.20. What is the ratio of concentrations, но. [PE]/[PEH*]? Show your work. OH H pH = pk + log og [A-] [HA]

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3. Phenylephrine (PE, see the structure below) is a nasal decongestant and is the active ingredient in
Sudafed, which contains phenylephrine hydrochloride (PEHCI). This conjugate acid of phenylephrine
(PEH*) has a pka = 5.25 at a physiological pH of 7.20. What is the ratio of concentrations,
[PE]/[PEH*]? Show your work.
OH
H
но.
pH =
****
20
pk + log
w do we p
**4441
2015 F
N.
[A-]
[HA]
Transcribed Image Text:3. Phenylephrine (PE, see the structure below) is a nasal decongestant and is the active ingredient in Sudafed, which contains phenylephrine hydrochloride (PEHCI). This conjugate acid of phenylephrine (PEH*) has a pka = 5.25 at a physiological pH of 7.20. What is the ratio of concentrations, [PE]/[PEH*]? Show your work. OH H но. pH = **** 20 pk + log w do we p **4441 2015 F N. [A-] [HA]
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