Answered: 120 mg of codeine hydrochloride…

120 mg of codeine hydrochloride (CodHCl) is dissolved in 10.0 mL of water. Calculate the expected pH of the solution. The pKb and molar mass of codeine (Cod) are 5.80 and 299.36 g/mol, respectively

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter19: The Chemistry Of The Main-group Elements

Section: Chapter Questions

Problem 89QRT

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Question

A) 120 mg of codeine hydrochloride (CodHCl) is dissolved in 10.0 mL of water. Calculate the expected pH of the solution. The pK_b and molar mass of codeine (Cod) are 5.80 and 299.36 g/mol, respectively

B) When 200.0 mg of zinc nitrate is dissolved in 100.0 mL of water, the solution pH is 5.75. Calculate the pK_a of the Zn(H₂O)₆²⁺

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