Answered: 1.95 grams of ethanolamine were…

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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1.95 grams of ethanolamine were dissolved in water, and the pH of the solution was adjusted with HCl until 62% of the molecules were in their protonated (conjugate acid) state. The pKa of ethanolaminium (the conjugate acid of ethanolamine) is 9.5. What is the pH of the final solution?

Round your answer to one decimal place (e.g., 2.3) using standard rounding conventions for the last digit.

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What if the question asked for 96% instead of 62%? How would that be solved?

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