A buffer is prepared by adding 25 mL of 0.10 M HA ( a weak acid) to 15 mL of 0. 10 M NaA (the salt of its conjugate base). The measured pH of the buffer is 3.48. Calculate the pKa of HA.
A buffer is prepared by adding 25 mL of 0.10 M HA ( a weak acid) to 15 mL of 0. 10 M NaA (the salt of its conjugate base). The measured pH of the buffer is 3.48. Calculate the pKa of HA.
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria
Section: Chapter Questions
Problem 23PS: A buffer solution was prepared by adding 4.95 g of sodium acetate, NaCH3CO2, to 2.50 102 mL of...
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A buffer is prepared by adding 25 mL of 0.10 M HA ( a weak acid) to 15 mL of 0. 10 M NaA (the salt of its conjugate base). The measured pH of the buffer is 3.48. Calculate the pKa of HA.
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