All questionsA chemist titrates 20.0 mL of 0.20 M HBrO (see Appendix) with 0.10 M NaOH. What is the pH:a) before any base id added?b) when [HBrO] = [BrO-]?c) at equivalence point?d) when the amount (mol) of OH- added is twice the amount of HBrO present initially? Iable of Acida with Kand pkavaluesAcidHApKaHydronisem ionlodicH-O10HC OHSOSOCIOH,POHASOCH-CICOOHGHO0.0HIOHCOH,SOHSOHCIOH,POHASOCH-CICOOHHCH OHFHNOHCOOH16x 105.9 х 101.54 x 1012x 101.1x 107.52x 100.80Oxalic (1)Sulfurous (1)Sulfaric (2)1.231.811.92Chlorous1.96Phosphoric (1)Arsenic (1)ChloroaceticCitric (1)HydroflooricNitrous2.122.305,0x 101,4x 108.4x 107.2x 104.0 x 101.77 x 102.853,083.143.393.75NOFormicHCOO1.38 x 107.9x 106.46 x 106,4x 10HCH H-OCH H OHC,HOjGH;COOCONyHC HO/CHCOOCH-CH-COOCHANCHOHCOLacticAscorbic (1)3.864.10CH;COOHHC-OHNHCH OCH;COOHCHCH-COOHCHẠNH"HC,H,OH-CO,HSOHASOH;5Benzoic4.19Oxalic (2)HydrazoicCitric (2)4.191.9x 104,721.5 x 101.76 x 101.34x 105.6x 104,0x 1043x 101.02 x 10S/9.3 x 101.0x 10 9.1 x 106.23 x 103.5/3.0x 102x106.17x 105.5x 105.6 x 101.6x 104.8x 102x 106.0 x 103.0 x 1024x 104.74Acetic4.75PropionicPyridiniun ionCitric (3)Carboeic (1)Sulfurous (2)Arsenic (2)HydrosnlfaricPhosphoric (2)HypochlorousHypobromeusHydrocyanicBoric (1)Ammonium jonPhenolCarbonic (2)HypoiodousAnenic (3)Hydrogen peroxideAscorbic (2)Phosphoric (3)Water4.875.255,406,376,917.10/7.037/7.047.217.46/7.538.709.219.239.25HASOHSHPOCIOH-POHCIOHBrOHCNBrOCNHBONHCH;OHHCOHIOHAIO,HBONHỊCHOCO9.8010.3210.70AsoHO9.22/11.5311.62CHOPO11.80HC HOHPOHO1.6x 104.8/2.2x 101.0x 1012.32/12.6614.0

Solution The equivalence purpose is that the purpose in a very volumetric analysis wherever the…

A chemist titrates 20.0 mL of 0.20 M HBrO (see Appendix) with 0.10 M NaOH. What is the pH: a) before any base id added? b) when [HBrO] = [BrO-]? c) at equivalence point? d) when the amount (mol) of OH- added is twice the amount of HBrO present initially?

A chemist titrates 20.0 mL of 0.20 M HBrO (see Appendix) with 0.10 M NaOH. What is the pH: a) before any base id added? b) when [HBrO] = [BrO-]? c) at equivalence point? d) when the amount (mol) of OH- added is twice the amount of HBrO present initially?

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter13: Acids And Bases

Section: Chapter Questions

Problem 10QAP

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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

All questions

A chemist titrates 20.0 mL of 0.20 M HBrO (see Appendix) with 0.10 M NaOH. What is the pH:

a) before any base id added?

b) when [HBrO] = [BrO-]?

c) at equivalence point?

d) when the amount (mol) of OH- added is twice the amount of HBrO present initially?

Iable of Acida with Kand pkavalues
Acid
HA
pKa
Hydronisem ion
lodic
H-O
10
HC O
HSO
SO
CIO
H,PO
HASO
CH-CICOO
HGHO
0.0
HIO
HCO
H,SO
HSO
HCIO
H,PO
HASO
CH-CICOOH
HCH O
HF
HNO
HCOOH
16x 10
5.9 х 10
1.54 x 10
12x 10
1.1x 10
7.52x 10
0.80
Oxalic (1)
Sulfurous (1)
Sulfaric (2)
1.23
1.81
1.92
Chlorous
1.96
Phosphoric (1)
Arsenic (1)
Chloroacetic
Citric (1)
Hydroflooric
Nitrous
2.12
2.30
5,0x 10
1,4x 10
8.4x 10
7.2x 10
4.0 x 10
1.77 x 10
2.85
3,08
3.14
3.39
3.75
NO
Formic
HCOO
1.38 x 10
7.9x 10
6.46 x 10
6,4x 10
HCH H-O
CH H O
HC,HOj
GH;COO
CO
Ny
HC HO/
CHCOO
CH-CH-COO
CHAN
CHO
HCO
Lactic
Ascorbic (1)
3.86
4.10
CH;COOH
HC-O
HN
HCH O
CH;COOH
CHCH-COOH
CHẠNH"
HC,H,O
H-CO,
HSO
HASO
H;5
Benzoic
4.19
Oxalic (2)
Hydrazoic
Citric (2)
4.19
1.9x 10
4,72
1.5 x 10
1.76 x 10
1.34x 10
5.6x 10
4,0x 10
43x 10
1.02 x 10
S/9.3 x 10
1.0x 10 9.1 x 10
6.23 x 10
3.5/3.0x 10
2x10
6.17x 10
5.5x 10
5.6 x 10
1.6x 10
4.8x 10
2x 10
6.0 x 103.0 x 10
24x 10
4.74
Acetic
4.75
Propionic
Pyridiniun ion
Citric (3)
Carboeic (1)
Sulfurous (2)
Arsenic (2)
Hydrosnlfaric
Phosphoric (2)
Hypochlorous
Hypobromeus
Hydrocyanic
Boric (1)
Ammonium jon
Phenol
Carbonic (2)
Hypoiodous
Anenic (3)
Hydrogen peroxide
Ascorbic (2)
Phosphoric (3)
Water
4.87
5.25
5,40
6,37
6,91
7.10/7.03
7/7.04
7.21
7.46/7.53
8.70
9.21
9.23
9.25
HASO
HS
HPO
CIO
H-PO
HCIO
HBrO
HCN
BrO
CN
HBO
NH
CH;OH
HCO
HIO
HAIO,
HBO
NHỊ
CHO
CO
9.80
10.32
10.70
Aso
HO
9.22/11.53
11.62
CHO
PO
11.80
HC HO
HPO
HO
1.6x 10
4.8/2.2x 10
1.0x 10
12.32/12.66
14.0

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