The titration curve of a weak acid, HnA has 3 inflection points atpH = 3.5, 6.7 and 10.3. If 0.1 M of a buffer, pH 4.2 is to be preparedusing the weak acid and its conjugate base, what will be thecomponents of this buffer?A. H4A, H3AOB. H3A, H2A2OC. H3A, H2AO D. H2A", HA 2ОЕ. НА2, А3

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The titration curve of a weak acid, HnA has 3 inflection points at pH = 3.5, 6.7 and 10.3. If 0.1 M of a buffer, pH 4.2 is to be prepared %3D using the weak acid and its conjugate base, what will be the components of this buffer? OA HA, H3A O B. H3A, H2A2 OC. H3A, H2A O D. H2A, HA 2 O E. HA2, A3

The titration curve of a weak acid, HnA has 3 inflection points at pH = 3.5, 6.7 and 10.3. If 0.1 M of a buffer, pH 4.2 is to be prepared %3D using the weak acid and its conjugate base, what will be the components of this buffer? OA HA, H3A O B. H3A, H2A2 OC. H3A, H2A O D. H2A, HA 2 O E. HA2, A3

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter15: Additional Aqueous Equilibria

Section: Chapter Questions

Problem 90QRT: Which of these buffers involving a weak acid HA has the greater resistance to change in pH? Explain...

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Question

The titration curve of a weak acid, HnA has 3 inflection points at
pH = 3.5, 6.7 and 10.3. If 0.1 M of a buffer, pH 4.2 is to be prepared
using the weak acid and its conjugate base, what will be the
components of this buffer?
A. H4A, H3A
OB. H3A, H2A2
OC. H3A, H2A
O D. H2A", HA 2
ОЕ. НА2, А3

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