Consider a beaker containing 50 mL of 0.20 M of a weak acid (HA) with a pKa of 5.25.    How many mL of 0.20 M NaOH (a strong base) should be added to the beaker make a buffer with pH 5.83? How many mL of 0.20 M A- (the weak conjugate base of the weak acid, HA) should be added to the beaker make a buffer with pH 5.83?

Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter16: Reactions Between Acids And Bases
Section: Chapter Questions
Problem 16.53QE
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Consider a beaker containing 50 mL of 0.20 M of a weak acid (HA) with a pKa of 5.25. 

 

How many mL of 0.20 M NaOH (a strong base) should be added to the beaker make a buffer with pH 5.83?

How many mL of 0.20 M A- (the weak conjugate base of the weak acid, HA) should be added to the beaker make a buffer with pH 5.83?

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