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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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need explanation y other options are in correct too
![<Chapter 2
Problem 2.11 - Enhanced - with Solution
56 c
Review I Consarts Peria
You need to make a buffer whose pH is 9.0, and you can choose from the weak acids shown in
the table below
Some weak acids and their conjugale bases
Part A
Conjugate Base
(Proton Acceptor)
K, (M)
Acid (Proton Donor)
pK.
Which conjugate pair is suited best to make this butter?
HCOOH
Formie acid
HCOO
Formate ion
+H
3.75 1.78 x 10
%23
Dihydrogen phosphate on HPO, nd monatydrogen phosphate un IIPO,
CH,COOH
Acatic acid
CH, CO0
Acetate ion
+H476 1.74 x 10
O Monohydrogen phoephale on HPo, and phosehate ion PO,
O Ammonium ion NH, and ammonia NH3
CH,CH(OH)COOH
Lactic acid
CH,CH(OH)COO
Lactate ion
+H3 86 1.38 x 10
H,PO
Phosphoric acid
O Phonphorc acid H, PO, and dhydiogen phosphate ion H; PO
O Formic acid HCOOH and tomate ion HC00
Dinydrogen phosphate +H214 7.24 x 10
ion
O Carbonic acid H,CO, and bicarbonato lon HCO,
H;PO,
Dihydrogen phosphate
ion
HPO,-
Monotrydrogen
phosphate ion
+H6.86 1.38 x 10
O Acetic acid CIH,COOH and acetle lon CH,COO
O Bicartonate ion HCO, and carbonate lon CO,
HPO,
Monohydrogen
phosphate ion
PO,
Phosphate lon
+H 124 3.98 x 10
O Phenoi CH,OH and phenaiate ion C,H,0
O Lactic acid CH,CH(OH)COOH and lactate ion CH, CH(OH)CO0
H; CO,
Carbonic acid
HCO,
+H 63
5.1x 10
Bicarbonate ion
HCO,
co,
Carbonate lon
+H 10.25 5.62 x 10
Piaun Answers Beauest Anawat
Submit
Bicarbonate ion
CH:OH
Phenol
CHSO
Phenolate ion
+H
S89 1.29 x 10-
X Incorrect; Try Again; 4 attempts remaining
NH,
*NH,
Ammonium ion
+H925 5.62 x 10
Ammonia
Part B Complete previous part(a)](https://content.bartleby.com/qna-images/question/7565eca6-e590-4946-beb7-f0c83deb12a1/d6b17797-fdaa-4022-a582-a2db0bda725a/nq01sch_thumbnail.jpeg)
Transcribed Image Text:<Chapter 2
Problem 2.11 - Enhanced - with Solution
56 c
Review I Consarts Peria
You need to make a buffer whose pH is 9.0, and you can choose from the weak acids shown in
the table below
Some weak acids and their conjugale bases
Part A
Conjugate Base
(Proton Acceptor)
K, (M)
Acid (Proton Donor)
pK.
Which conjugate pair is suited best to make this butter?
HCOOH
Formie acid
HCOO
Formate ion
+H
3.75 1.78 x 10
%23
Dihydrogen phosphate on HPO, nd monatydrogen phosphate un IIPO,
CH,COOH
Acatic acid
CH, CO0
Acetate ion
+H476 1.74 x 10
O Monohydrogen phoephale on HPo, and phosehate ion PO,
O Ammonium ion NH, and ammonia NH3
CH,CH(OH)COOH
Lactic acid
CH,CH(OH)COO
Lactate ion
+H3 86 1.38 x 10
H,PO
Phosphoric acid
O Phonphorc acid H, PO, and dhydiogen phosphate ion H; PO
O Formic acid HCOOH and tomate ion HC00
Dinydrogen phosphate +H214 7.24 x 10
ion
O Carbonic acid H,CO, and bicarbonato lon HCO,
H;PO,
Dihydrogen phosphate
ion
HPO,-
Monotrydrogen
phosphate ion
+H6.86 1.38 x 10
O Acetic acid CIH,COOH and acetle lon CH,COO
O Bicartonate ion HCO, and carbonate lon CO,
HPO,
Monohydrogen
phosphate ion
PO,
Phosphate lon
+H 124 3.98 x 10
O Phenoi CH,OH and phenaiate ion C,H,0
O Lactic acid CH,CH(OH)COOH and lactate ion CH, CH(OH)CO0
H; CO,
Carbonic acid
HCO,
+H 63
5.1x 10
Bicarbonate ion
HCO,
co,
Carbonate lon
+H 10.25 5.62 x 10
Piaun Answers Beauest Anawat
Submit
Bicarbonate ion
CH:OH
Phenol
CHSO
Phenolate ion
+H
S89 1.29 x 10-
X Incorrect; Try Again; 4 attempts remaining
NH,
*NH,
Ammonium ion
+H925 5.62 x 10
Ammonia
Part B Complete previous part(a)
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