**Exercise:** The base protonation constant $ K_b $ of lidocaine ($ \text{C}_{14}\text{H}_{21}\text{NONH} $) is $ 1.15 \times 10^{-8} $.Calculate the pH of a $ 1.4 \, \text{M} $ solution of lidocaine at $ 25^\circ \text{C} $. Round your answer to 1 decimal place.**Interactive Component:****pH = [Input Box]**[Cancel Button] [Submit Button]

Answered: The base protonation constant K₁ of…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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**Exercise:**

The base protonation constant $ K_b $ of lidocaine ($ \text{C}_{14}\text{H}_{21}\text{NONH} $) is $ 1.15 \times 10^{-8} $.

Calculate the pH of a $ 1.4 \, \text{M} $ solution of lidocaine at $ 25^\circ \text{C} $. Round your answer to 1 decimal place.

**Interactive Component:**

**pH = [Input Box]**

[Cancel Button] [Submit Button]

Expert Solution

Step 1: Determine the data given

The concentration of the lidocaine solution = 1.4 M

The base protonation constant $straight K subscript straight b$ of lidocaine = $1.15 space cross times space 10 to the power of negative 8 end exponent$

We have to calculate the pH of the solution at $25 degree straight C$ .

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