Which of the following buffers will best prevent changes in pH when 100 µl of 1.0 M HCl is added toa solution initially at pH 7.25?BufferAcetateBicineCAPSHEPESPhosphateTris0.1 M HEPES0.01 M HEPESO 0.1M Bicine0.1 M Acetate Buffer0.01 M Bicine0.01 M Acetate Bufferchemical formacid; liq. (17.4 M)base; Na-acetate-3H₂OK₂HPO4free baseTris-HCIKH₂PO4F.W. (g/mol)60.05136.08163.19221.3238.3174.2121.14157.6136.10pka at 20 °C4.764.768.3510.407.552.1212.328.308.307.21

A buffer is a solution of a weak acid and salt of its conjugate base or a weak base and salt of its…

Which of the following buffers will best prevent changes in pH when 100 μl of 1.0 M HCl is added to a solution initially at pH 7.25? Buffer Acetate Bicine CAPS HEPES Phosphate Tris 0.1 M HEPES 0.01 M HEPES 0.1M Bicine 0.1 M Acetate Buffer 0.01 M Bicine O 0.01 M Acetate Buffer chemical form acid; liq. (17.4 M) base; Na-acetate-3H₂O K₂HPO4 free base Tris-HCI KH₂PO4 F.W. (g/mol) 60.05 136.08 163.19 221.3 238.3 174.2 121.14 157.6 136.10 pka at 20 °C 4.76 4.76 8.35 10.40 7.55 2.12 12.32 8.30 8.30 7.21

Which of the following buffers will best prevent changes in pH when 100 μl of 1.0 M HCl is added to a solution initially at pH 7.25? Buffer Acetate Bicine CAPS HEPES Phosphate Tris 0.1 M HEPES 0.01 M HEPES 0.1M Bicine 0.1 M Acetate Buffer 0.01 M Bicine O 0.01 M Acetate Buffer chemical form acid; liq. (17.4 M) base; Na-acetate-3H₂O K₂HPO4 free base Tris-HCI KH₂PO4 F.W. (g/mol) 60.05 136.08 163.19 221.3 238.3 174.2 121.14 157.6 136.10 pka at 20 °C 4.76 4.76 8.35 10.40 7.55 2.12 12.32 8.30 8.30 7.21

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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Question

Which of the following buffers will best prevent changes in pH when 100 µl of 1.0 M HCl is added to
a solution initially at pH 7.25?
Buffer
Acetate
Bicine
CAPS
HEPES
Phosphate
Tris
0.1 M HEPES
0.01 M HEPES
O 0.1M Bicine
0.1 M Acetate Buffer
0.01 M Bicine
0.01 M Acetate Buffer
chemical form
acid; liq. (17.4 M)
base; Na-acetate-3H₂O
K₂HPO4
free base
Tris-HCI
KH₂PO4
F.W. (g/mol)
60.05
136.08
163.19
221.3
238.3
174.2
121.14
157.6
136.10
pka at 20 °C
4.76
4.76
8.35
10.40
7.55
2.12
12.32
8.30
8.30
7.21

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