A 65.0 mL solution of 0.158 M potassium alaninate (H₂NC₂H₅CO₂K) is titrated with 0.158 M HCl. The pKₐ values for the amino acid alanine are 2.344 (pKₐ₁) and 9.868 (pKₐ₂), which correspond to the carboxylic acid and amino groups, respectively.**Calculate the pH at the first equivalence point.**\[ \text{pH} = \_\_\_ \]**Calculate the pH at the second equivalence point.**\[ \text{pH} = \_\_\_ \]**Diagram:**The image shows the structure of Potassium Alaninate:- The compound is shown with a central carbon (CH) attached to: - An amino group (H₂N-) - A methyl group (CH₃) - A carboxylate group (COO⁻) attached to a potassium ion (K⁺)

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A 65.0 mL solution of 0.158 M potassium alaninate ( H, NC, H, CO, K) is titrated with 0.158 M HCI. The pK values for the amino acid alanine are 2.344 (pKa1) and 9.868 ( CH3 pKa2), which correspond to the carboxylic acid and amino H2N CH-C- groups, respectively. Calculate the pH at the first equivalence point. Potassium Alaninate pH = Calculate the pH at the second equivalence point. pH

A 65.0 mL solution of 0.158 M potassium alaninate ( H, NC, H, CO, K) is titrated with 0.158 M HCI. The pK values for the amino acid alanine are 2.344 (pKa1) and 9.868 ( CH3 pKa2), which correspond to the carboxylic acid and amino H2N CH-C- groups, respectively. Calculate the pH at the first equivalence point. Potassium Alaninate pH = Calculate the pH at the second equivalence point. pH

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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