Question 59A buffer with [HA] = 0.21 Mand [A-] = 0.79 M has a pH of 3.91. What is the pK, ofthe weak acid, HA? Use two digits after the decimal place in your answer.%3!Your Answer:AnswerQuestion 60197 Pt, which has a half-life of 19.89 hours,If you start with a 11.78 g sample ofwhat is the mass of Pt remaining in the sample after 44.23 hours?Your Answer:Answerunits

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Answered: Question 59 A buffer with [HA] = 0.21…

Question 59 A buffer with [HA] = 0.21 Mand (A)-0.79 M has a pH of 3.91. What is the pK, of the weak acid, HA? Use two digits after the decimal place in your answer. Your Answer:

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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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

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