Amethocaine, C15H25N2O2Cl, is the salt of the base tetracaine and hydrochloric acid. The ionization constant for tetracaine is 3.2 ✕ 10−6. (a) Is a solution of amethocaine acidic or basic? acidicbasic     (b) What are the [H3O+ ], [OH− ] (in M), and pH of a 0.20% solution by mass of amethocaine, assuming that the density of the solution is 1.0 g/mL. (Assume Kw = 1.01 ✕ 10−14.) find the following: [H3O+ ] [OH− ]   pH

Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter15: Solutions Of Acids And Bases
Section: Chapter Questions
Problem 15.111QE
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Amethocaine, C15H25N2O2Cl, is the salt of the base tetracaine and hydrochloric acid. The ionization constant for tetracaine is 3.2 ✕ 10−6.
(a)
Is a solution of amethocaine acidic or basic?
acidicbasic    
(b)
What are the [H3O+ ], [OH ] (in M), and pH of a 0.20% solution by mass of amethocaine, assuming that the density of the solution is 1.0 g/mL. (Assume Kw = 1.01 ✕ 10−14.)
find the following:
[H3O+ ]
[OH ]  
pH 
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