Ephedrine, a central nervous system stimulant, is used in nasal sprays as a decongestant. This compound is

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Ephedrine, a central nervous system stimulant, is used in nasal sprays as a decongestant. This compound is a weak organic base:
C10H15ON(aq) + H2O(l) ⇌ C10H15ONH+(aq) + OH-(aq)

A 0.035 M solution of ephedrine has a pH of 11.33.

(a) What are the equilibrium concentrations of C10H15ON, C10H15ONH+, and OH-

(b) Calculate Kb for ephedrine.

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Chemistry The Central Science

ISBN: 978-0134414232

14th Edition

Authors: Theodore Brown, H. LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward, Matthew Stoltzfus

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