A student has prepared a solution containing two acids: H2A (pK, = 2.1, 7.2) and H2B (pK, = 6.4, 10.3). If the solution is at a pH of 8.05, which combination shown below is buffering the solution? %3!

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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Question 4
A student has prepared a solution containing two acids: H,A (pK, = 2.1, 7.2) and
H,B (pK, = 6.4, 10.3). If the solution is at a pH of 8.05, which combination shown
below is buffering the solution?
H2B and HB
HB and B2-
God
O HA and A2-
H2A and HA
Transcribed Image Text:Question 4 A student has prepared a solution containing two acids: H,A (pK, = 2.1, 7.2) and H,B (pK, = 6.4, 10.3). If the solution is at a pH of 8.05, which combination shown below is buffering the solution? H2B and HB HB and B2- God O HA and A2- H2A and HA
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