help! stuck on study guide questions
umyrepnrine (PE, see the structure below) is a nasal decongestant...
umyrepnrine (PE, see the structure below) is a nasal decongestant and is the active ingredient in Sudafed, which contains phenylephrine hydrochloride (PEHCI). This con acid of phenylephrine (PEH+ ) has a pka = 5.5. At a physiological pH of 7.4. What is th of concentrations, [PE]/[PEH+ ]? PH a. 6.7 b. 79 c. 0.14 d. 0.01 . 2.4 5.5 2. 21