Table 10.2 continued Acid name Acid formula pka Conjugate base Conjugate base name pkb acetic acid CH3COOH 4.75 CH3COO acetate ion 9.25 dihydrogen citrate ion C3H₂O(COOH)2COO- 4.77 C3H5O(COOH) (COO)2 hydrogen citrate ion 9.23 butanoic aicd C3H,COOH 4.82 C3H,COO- butanoate ion 9.18 propanoic acid C2H5COOH 4.87 C₂H5COO¯ propanoate ion 9.13 pyridinium ion C,H,NH+ 5.25 CH5N pyridine carbonic acid HOCOOH 6.37 HOCOO¯ hydrogen carbonate ion 7.63 hydrogen citrate ion C3H₂O(COOH)(COO)2 6.40 C3H50(COO¯)3 citrate ion 7.60 hydrogen sulfite ion HSO3 [HOSOO-] 7.19 SO- sulfite ion 6.81 dihydrogen phosphate ion H₂POд 7.20 HPO hydrogen phosphate ion 6.80 hypochlorous acid HCIO ammonium ion ΝΗ 7.53 CIO- 9.25 NH3 hypochlorite ion 6.47 ammonia hydrocyanic acid HCN 9.31 CN- cyanide ion 4.69 phenol C6H5OH 10.00 C6H5O phenolate ion 4.00 hydrogen carbonate ion HOCOO- 10.25 CO- carbonate ion 3.75 diethylammonium ion (C2H5)2NH₂ 10.49 (C2H5)2NH diethylamine methylammonium ion CH3NH 10.64 CH3NH2 methylamine propylammonium ion C3H7NH3 10.71 C3H7NH2 propylamine 3.29 dimethylammonium ion (CH3)2NH 10.77 (CH3)2NH dimethylamine 3.23 ethylammonium ion C,H,NH 10.87 C₂H5NH2 ethylamine 3.13 triethylammonium ion hydrogen phosphate ion (C₂H5)3NH+ 11.01 (C2H5)3N triethylamine 2.99 HPO2- 12.38 PO3- phosphate ion 1.62
Table 10.2 continued Acid name Acid formula pka Conjugate base Conjugate base name pkb acetic acid CH3COOH 4.75 CH3COO acetate ion 9.25 dihydrogen citrate ion C3H₂O(COOH)2COO- 4.77 C3H5O(COOH) (COO)2 hydrogen citrate ion 9.23 butanoic aicd C3H,COOH 4.82 C3H,COO- butanoate ion 9.18 propanoic acid C2H5COOH 4.87 C₂H5COO¯ propanoate ion 9.13 pyridinium ion C,H,NH+ 5.25 CH5N pyridine carbonic acid HOCOOH 6.37 HOCOO¯ hydrogen carbonate ion 7.63 hydrogen citrate ion C3H₂O(COOH)(COO)2 6.40 C3H50(COO¯)3 citrate ion 7.60 hydrogen sulfite ion HSO3 [HOSOO-] 7.19 SO- sulfite ion 6.81 dihydrogen phosphate ion H₂POд 7.20 HPO hydrogen phosphate ion 6.80 hypochlorous acid HCIO ammonium ion ΝΗ 7.53 CIO- 9.25 NH3 hypochlorite ion 6.47 ammonia hydrocyanic acid HCN 9.31 CN- cyanide ion 4.69 phenol C6H5OH 10.00 C6H5O phenolate ion 4.00 hydrogen carbonate ion HOCOO- 10.25 CO- carbonate ion 3.75 diethylammonium ion (C2H5)2NH₂ 10.49 (C2H5)2NH diethylamine methylammonium ion CH3NH 10.64 CH3NH2 methylamine propylammonium ion C3H7NH3 10.71 C3H7NH2 propylamine 3.29 dimethylammonium ion (CH3)2NH 10.77 (CH3)2NH dimethylamine 3.23 ethylammonium ion C,H,NH 10.87 C₂H5NH2 ethylamine 3.13 triethylammonium ion hydrogen phosphate ion (C₂H5)3NH+ 11.01 (C2H5)3N triethylamine 2.99 HPO2- 12.38 PO3- phosphate ion 1.62
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...
Related questions
Question
You are asked to make a 4.5 pH buffer
a. From the list of Acids and conjugate bases attached which pair would you pick.
If you pick acetic acid and its conjugate base acetate ion.
b. You are asked to make a 2M stock solution of the Buffer, how many grams of each acid and base would you need to make a 1000mL stock.
c. For the experiment, the final concentration of the buffer should be 50mM. How many mL of your stock would you need to make 2L. Hint: M1V1=M2V2
![Table 10.2 continued
Acid name
Acid formula
pka
Conjugate base
Conjugate base name
pkb
acetic acid
CH3COOH
4.75
CH3COO
acetate ion
9.25
dihydrogen citrate ion
C3H₂O(COOH)2COO- 4.77
C3H5O(COOH) (COO)2 hydrogen citrate ion
9.23
butanoic aicd
C3H,COOH
4.82 C3H,COO-
butanoate ion
9.18
propanoic acid
C2H5COOH
4.87
C₂H5COO¯
propanoate ion
9.13
pyridinium ion
C,H,NH+
5.25 CH5N
pyridine
carbonic acid
HOCOOH
6.37
HOCOO¯
hydrogen carbonate ion
7.63
hydrogen citrate ion
C3H₂O(COOH)(COO)2 6.40
C3H50(COO¯)3
citrate ion
7.60
hydrogen sulfite ion
HSO3 [HOSOO-]
7.19
SO-
sulfite ion
6.81
dihydrogen phosphate ion H₂POд
7.20 HPO
hydrogen phosphate ion
6.80
hypochlorous acid
HCIO
ammonium ion
ΝΗ
7.53 CIO-
9.25 NH3
hypochlorite ion
6.47
ammonia
hydrocyanic acid
HCN
9.31 CN-
cyanide ion
4.69
phenol
C6H5OH
10.00 C6H5O
phenolate ion
4.00
hydrogen carbonate ion
HOCOO-
10.25 CO-
carbonate ion
3.75
diethylammonium ion
(C2H5)2NH₂
10.49 (C2H5)2NH
diethylamine
methylammonium ion
CH3NH
10.64 CH3NH2
methylamine
propylammonium ion
C3H7NH3
10.71 C3H7NH2
propylamine
3.29
dimethylammonium ion
(CH3)2NH
10.77 (CH3)2NH
dimethylamine
3.23
ethylammonium ion
C,H,NH
10.87 C₂H5NH2
ethylamine
3.13
triethylammonium ion
hydrogen phosphate ion
(C₂H5)3NH+
11.01 (C2H5)3N
triethylamine
2.99
HPO2-
12.38 PO3-
phosphate ion
1.62](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4143f45a-5c96-4449-af2f-abda697f3e91%2F5b591283-8a95-47d2-ae8b-e46bc53e1091%2Fznugoit_processed.png&w=3840&q=75)
Transcribed Image Text:Table 10.2 continued
Acid name
Acid formula
pka
Conjugate base
Conjugate base name
pkb
acetic acid
CH3COOH
4.75
CH3COO
acetate ion
9.25
dihydrogen citrate ion
C3H₂O(COOH)2COO- 4.77
C3H5O(COOH) (COO)2 hydrogen citrate ion
9.23
butanoic aicd
C3H,COOH
4.82 C3H,COO-
butanoate ion
9.18
propanoic acid
C2H5COOH
4.87
C₂H5COO¯
propanoate ion
9.13
pyridinium ion
C,H,NH+
5.25 CH5N
pyridine
carbonic acid
HOCOOH
6.37
HOCOO¯
hydrogen carbonate ion
7.63
hydrogen citrate ion
C3H₂O(COOH)(COO)2 6.40
C3H50(COO¯)3
citrate ion
7.60
hydrogen sulfite ion
HSO3 [HOSOO-]
7.19
SO-
sulfite ion
6.81
dihydrogen phosphate ion H₂POд
7.20 HPO
hydrogen phosphate ion
6.80
hypochlorous acid
HCIO
ammonium ion
ΝΗ
7.53 CIO-
9.25 NH3
hypochlorite ion
6.47
ammonia
hydrocyanic acid
HCN
9.31 CN-
cyanide ion
4.69
phenol
C6H5OH
10.00 C6H5O
phenolate ion
4.00
hydrogen carbonate ion
HOCOO-
10.25 CO-
carbonate ion
3.75
diethylammonium ion
(C2H5)2NH₂
10.49 (C2H5)2NH
diethylamine
methylammonium ion
CH3NH
10.64 CH3NH2
methylamine
propylammonium ion
C3H7NH3
10.71 C3H7NH2
propylamine
3.29
dimethylammonium ion
(CH3)2NH
10.77 (CH3)2NH
dimethylamine
3.23
ethylammonium ion
C,H,NH
10.87 C₂H5NH2
ethylamine
3.13
triethylammonium ion
hydrogen phosphate ion
(C₂H5)3NH+
11.01 (C2H5)3N
triethylamine
2.99
HPO2-
12.38 PO3-
phosphate ion
1.62
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