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

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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

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
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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