+1 t 17.4 Mastery 1. Alpha Plots for W... 2 req Question Question Question 2. Amino Acids Submit The following is an alpha plot for a monoprotic weak acid, HA. 1.0 a 0.5 0 2 4 6 8 10 12 14 pH HA A- A (1) Estimate the pH at which is there a 50:50 mixture of acid and conjugate base? 7 (2) At pH = 9.0, most of the substance is in the form of [ a. HA b. A (3) What is the approximate fractional abundance of the conjugate base at pH = 6.0? (4) Estimate the value of Ka for the acid. Submit Answer Current score: 1/2 pts (50%) 1. Alpha Plots for Weak Monoprotic Acids: This is group attempt 1 of 5 Back Autosaved at 12:27 PM

+1 t 17.4 Mastery 1. Alpha Plots for W... 2 req Question Question Question 2. Amino Acids Submit The following is an alpha plot for a monoprotic weak acid, HA. 1.0 a 0.5 0 2 4 6 8 10 12 14 pH HA A- A (1) Estimate the pH at which is there a 50:50 mixture of acid and conjugate base? 7 (2) At pH = 9.0, most of the substance is in the form of [ a. HA b. A (3) What is the approximate fractional abundance of the conjugate base at pH = 6.0? (4) Estimate the value of Ka for the acid. Submit Answer Current score: 1/2 pts (50%) 1. Alpha Plots for Weak Monoprotic Acids: This is group attempt 1 of 5 Back Autosaved at 12:27 PM

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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