Calculate the pH of the following aqueous salt solutions. Report your calculated pH to 2 decimal places. Ka values for weak acids are in Appendix H Kb values of weak bases are in Appendix I 0.100 M NaCl: 7.00 0.032 M NH4Br: 0.093 M KNO2:
Calculate the pH of the following aqueous salt solutions. Report your calculated pH to 2 decimal places. Ka values for weak acids are in Appendix H Kb values of weak bases are in Appendix I 0.100 M NaCl: 7.00 0.032 M NH4Br: 0.093 M KNO2:
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
Ammonium bromide is a weak acid with a pKa of approximately 5 in water.
KNO3 is a strong base.
Transcribed Image Text:Question 29:
Calculate the pH of the following aqueous salt solutions. Report your calculated pH to 2 decimal
places.
Ka values for weak acids are in Appendix H
Kb values of weak bases are in Appendix I
0.100 M NaCl: 7.00
0.032 M NH4Br:
0.093 M KNO2:
![Acid Name
Perchloric acid
Sulfuric acid
Hydrochloric acid
Nitric acid
Hydronium ion
Sulfurous acid
Hydrogen sulfate ion
Phosphoric acid
Hexaaquairon(III) ion
Hydrofluoric acid
Nitrous acid
Formic acid
Benzoic acid
Acetic acid
Propanoic acid
Hexaaquaaluminium ion
Carbonic acid
Hexaaquacopper(II) ion
Ionization Constants for Some Acids and Their Conjugate Bases at 25°C
Ka
Formula
Kb
Base name
very small
very small
very small
very small
Ammonium ion
Hydrocyanic acid
Hexaaquairon(II) ion
Hydrogen carbonate ion
Hexaaquanickel(l) ion
Hydrogen phosphate ion
Water
Hydrogen sulfide ion
Ethanol
Ammonial
Hydrogen
Formula
HCIO4
H₂SO4
HCI
HNO3
H₂O+
H₂SO₂
HSO4
H₂PO4
HF
HNO₂
HCO₂H
Cots COzH
large
large
large
large
1.0
[Fe(H₂O)]³+ 6.3x10
7.2x10
NH4+
HCN
cr
NO₂
H₂O
1.2x10²
HSO,
1.2x10-² SO4²-
[Fe(H₂O)]²+
HCO,
[Ni(H₂O)]²+
HPO4²-
H₂O
HS™
C₂H5OH
NH3
H₂
CIO4
HSO4
7.5x10 H₂PO4
CH,COH
CH₂CH₂CO₂H 1.3x10
[Al(H₂O)]³+ 7.9x10
H₂CO3
[Cu(H₂0)61²*
Hydrogen sulfide
H₂S
Dihydrogen phosphate ion H₂PO4
Hydrogen sulfite ion
HSO3™
Hypochlorous acid
3.5x10 CIO-
2.9x10-7
Hexaaqualead(II) ion
HCIO
[Pb(H₂0)61²* 1.5x10 [Pb(H₂O)OH]* 6.7x107
[Co(H₂O) ¹2+ 1.3x10 [Co(H₂O) OH]* 7.7x10-6
7.3x10-1⁰ B(OH)4
Hexaaquacobalt(II) ion
Boric acid
B(OH),(H₂O)
1.4x10
5.6x10-10 NH3
1.8x10
4.0x10-10 CN
2.5x10
3.2x10-10 [Fe(H₂O), OH]*
3.1x10
4.8x10-11 CO²-
2.1x10
2.5x10-¹1 [Ni(H₂O)OH]* 4.0x10+
3.6x10-13 PO4³-
2.8x10²
1.0
1.0x105
large
large
large
[Fe(H₂O)OH]2+
F-
4.5x10*
NO₂
1.8x10+ HCO₂
6.3x10 C6H5CO₂™
CH3CO₂™
1.8x10
CH₂CH₂CO₂
[A(H₂O)5OH)2+ 1.3x10-*
4.2x107 HCO₂™
2.4x108
1.6x107 [Cu(H₂O)OH]* 6.3x10-
1.0x10 HS
6.2x10 HPO4²-
6.2x10- SO₂²-
1.0x10-¹4 OH
1.0x10-19 S²-
1.0x10-14 Water
8.3x10-13
8.3x10-13 Sulfate ion
very small C₂H5O
very small NH₂™
very small H
Perchlorate ion
Hydrogen sulfate ion
Chloride ion
Nitrate ion
1.3x10-¹2
1.6x10-12
1.4x10-11 Fluoride ion
2.2x10-¹1 Nitrite ion
5.6x10-11 Formate ion.
1.6x10-10 Benzoate ion
5.6x10-10 Acetate ion
7.7x10-10 Propanoate ion
1.0x10-7
1.6x10-7
1.6x10-7
Hydrogen sulfite ion
Dihydrogen phosphate ion
Pentaaquahydroxoiron (II) ion
Pentaaquahydroxoaluminum ion
Hydrogen carbonate ion
Pentaaquahydroxocopper(II) ion
Hydrogen sulfide ion
Hydrogen phosphate ion
Sulfite ion
Hypochlorite ion
Pentaaquahydroxolead(II) ion
Pentaaquahydroxocobalt(II) ion
Tetrahydroxoborate ion
Ammonia
Cyanide ion
Pentaaquahydroxoiron (II) ion
Carbonate ion
Pentaaquahydroxonickel(II) ion
Phosphate ion
Hydroxide ion
Sulfide ion
Ethoxide ion
Amide ion
Hydride ion](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcb8402eb-9989-497d-ae35-f37dc85d01d1%2F9644bc47-b444-4476-8e79-8fdd6d1b376d%2Fueioser_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Acid Name
Perchloric acid
Sulfuric acid
Hydrochloric acid
Nitric acid
Hydronium ion
Sulfurous acid
Hydrogen sulfate ion
Phosphoric acid
Hexaaquairon(III) ion
Hydrofluoric acid
Nitrous acid
Formic acid
Benzoic acid
Acetic acid
Propanoic acid
Hexaaquaaluminium ion
Carbonic acid
Hexaaquacopper(II) ion
Ionization Constants for Some Acids and Their Conjugate Bases at 25°C
Ka
Formula
Kb
Base name
very small
very small
very small
very small
Ammonium ion
Hydrocyanic acid
Hexaaquairon(II) ion
Hydrogen carbonate ion
Hexaaquanickel(l) ion
Hydrogen phosphate ion
Water
Hydrogen sulfide ion
Ethanol
Ammonial
Hydrogen
Formula
HCIO4
H₂SO4
HCI
HNO3
H₂O+
H₂SO₂
HSO4
H₂PO4
HF
HNO₂
HCO₂H
Cots COzH
large
large
large
large
1.0
[Fe(H₂O)]³+ 6.3x10
7.2x10
NH4+
HCN
cr
NO₂
H₂O
1.2x10²
HSO,
1.2x10-² SO4²-
[Fe(H₂O)]²+
HCO,
[Ni(H₂O)]²+
HPO4²-
H₂O
HS™
C₂H5OH
NH3
H₂
CIO4
HSO4
7.5x10 H₂PO4
CH,COH
CH₂CH₂CO₂H 1.3x10
[Al(H₂O)]³+ 7.9x10
H₂CO3
[Cu(H₂0)61²*
Hydrogen sulfide
H₂S
Dihydrogen phosphate ion H₂PO4
Hydrogen sulfite ion
HSO3™
Hypochlorous acid
3.5x10 CIO-
2.9x10-7
Hexaaqualead(II) ion
HCIO
[Pb(H₂0)61²* 1.5x10 [Pb(H₂O)OH]* 6.7x107
[Co(H₂O) ¹2+ 1.3x10 [Co(H₂O) OH]* 7.7x10-6
7.3x10-1⁰ B(OH)4
Hexaaquacobalt(II) ion
Boric acid
B(OH),(H₂O)
1.4x10
5.6x10-10 NH3
1.8x10
4.0x10-10 CN
2.5x10
3.2x10-10 [Fe(H₂O), OH]*
3.1x10
4.8x10-11 CO²-
2.1x10
2.5x10-¹1 [Ni(H₂O)OH]* 4.0x10+
3.6x10-13 PO4³-
2.8x10²
1.0
1.0x105
large
large
large
[Fe(H₂O)OH]2+
F-
4.5x10*
NO₂
1.8x10+ HCO₂
6.3x10 C6H5CO₂™
CH3CO₂™
1.8x10
CH₂CH₂CO₂
[A(H₂O)5OH)2+ 1.3x10-*
4.2x107 HCO₂™
2.4x108
1.6x107 [Cu(H₂O)OH]* 6.3x10-
1.0x10 HS
6.2x10 HPO4²-
6.2x10- SO₂²-
1.0x10-¹4 OH
1.0x10-19 S²-
1.0x10-14 Water
8.3x10-13
8.3x10-13 Sulfate ion
very small C₂H5O
very small NH₂™
very small H
Perchlorate ion
Hydrogen sulfate ion
Chloride ion
Nitrate ion
1.3x10-¹2
1.6x10-12
1.4x10-11 Fluoride ion
2.2x10-¹1 Nitrite ion
5.6x10-11 Formate ion.
1.6x10-10 Benzoate ion
5.6x10-10 Acetate ion
7.7x10-10 Propanoate ion
1.0x10-7
1.6x10-7
1.6x10-7
Hydrogen sulfite ion
Dihydrogen phosphate ion
Pentaaquahydroxoiron (II) ion
Pentaaquahydroxoaluminum ion
Hydrogen carbonate ion
Pentaaquahydroxocopper(II) ion
Hydrogen sulfide ion
Hydrogen phosphate ion
Sulfite ion
Hypochlorite ion
Pentaaquahydroxolead(II) ion
Pentaaquahydroxocobalt(II) ion
Tetrahydroxoborate ion
Ammonia
Cyanide ion
Pentaaquahydroxoiron (II) ion
Carbonate ion
Pentaaquahydroxonickel(II) ion
Phosphate ion
Hydroxide ion
Sulfide ion
Ethoxide ion
Amide ion
Hydride ion
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