A 50.0 mL of 0.20 M ascorbic acid (see Appendix) is titrated with a 0.20 M NaOH solution. Calculate the volume of NaOH solution added when he pH of solution is a) 3.04 b) 5.65
A 50.0 mL of 0.20 M ascorbic acid (see Appendix) is titrated with a 0.20 M NaOH solution. Calculate the volume of NaOH solution added when he pH of solution is a) 3.04 b) 5.65
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter16: Acids And Bases
Section: Chapter Questions
Problem 19QAP: . How is the strength of an acid related to the fact that a competition for protons exists in...
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A 50.0 mL of 0.20 M ascorbic acid (see Appendix) is titrated with a 0.20 M NaOH solution. Calculate
the volume of NaOH solution added when he pH of solution is
a) 3.04
b) 5.65
Transcribed Image Text:Table of Acids with Ka and oKa values
Acid
HA
Ka
pka
Hydroniun ion
lodic
Oxalic (1)
Sulfurous (1)
Sulfuric (2)
Chlorous
Phosphoric (1)
Arsenic (1)
Chloroacetic
Citric (1)
HO
HIO,
HCO
H,SO,
HSO,
HCIO,
HIPO,
H;AsO,
CH;CICOOH
HCH,O,
HO
0.0
1.6x 10
5.9 x 10
1.54 x 10
12x 10
1.1 x 10
7.52 x 10
5.0 x 10
14x 10
8.4 x 10
10
HC O
0.50
1.23
1.81
HSO,
SO
1.92
CIO
H;PO,
HASO,
CH,CICOO
1.96
2.12
230
285
3.08
7.2x 10
4.0 x 10
1.77 x 10
1.38 x 10
7.9 x 10
6.46 x 10
6.4 x 10
1.9 x 10
1.8x 10
Hydrofluoric
HF
3.14
Nitrous
HNO,
HCOOH
HCH,HO
NO
HCOO
CH HO
HCHO
CHCO0
CO,
3,39
Formic
Lactic
3.75
3.86
Ascorbic (1)
Benzoie
Oxalic (2)
Hydrazoic
Citric (2)
4.10
CH,COOH
HC O
HN;
4.19
4.19
4.72
HCH;O,
CH;CO0
CH;CH CO0
CHN
CH,O,
HCO
So
HASO,
4.74
CH COOH
CH;CH,COOH
CHẠNH
HC H.O
H-CO
HSO,
HASO
H;S
Acetic
1.76 x 10
4.75
134 x 10
5.6x 10
4.0 x 10
43 x 10"
1.02 x 10
8/9.3 x 10
10x 109.1 x 10
Propionic
Pyridinitm ion
Citric (3)
Carbonic (1)
Sulfurous (2)
Arsenic (2)
Hydrosulfuric
Phosphoric (2)
Hypochlorous
Hypobromous
Hydrocyanic
Boric (1)
Ammonium ion
Phenol
4.87
5.25
5.40
6.37
6.91
7.10/7.03
HS
7/7.04
6.23 x 10
3.5/3.0 x 10
2x 10
6.17 x 10
5.8x 10
3.6x 10
1.6x 10
4.8x 10"
2x 10
6.0 x 103.0 x 10
24x 10
1.6x 10
4.8/22x 10
1.0 x 10
HPO,
HCIO
HPO,
7.21
7.46/7.53
HBro
Bro
8.70
HCN
CN
9.21
HIBO,
NH
CHOH
HCO,
HIO
HBO,
NH,
CHO
CO
10
Aso,
HO,
9.23
9.25
9.80
Carbonic (2)
Hypoiodous
Arsenic (3)
Hydrogen peroxide
Ascorbic (2)
Phosphoric (3)
10.32
10.70
HASO,
9.22/11.53
11.62
HCHO
HPO,
11.80
PO,
1232/12.66
Water
14.0
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