weak aad W.A. HOAC Total Volume of base added, mL Strong bas SB NaOH CHM pH 0.00 3.47 5.00 4.77 10.00 5.45 15.00 5.92 17.00 6.21 19.00 7.01 -Color change 19.50 7.96 20.00 11.98 20.50 12.38 21.00 12.65 22.00 12.94 26.00 13.33 30.00 13.60 36.00 13.68 40.00 13.70 Strong acid SoA на weak base W.B. NH3 HCl + NaOH SA W.B. Total Volume of base pH added, mL Strong Weak acid base SA x axis Total Volume of base added, mL WB CHM Y axis pH 0.00 7.9 5.00 0.00 0.5 1.5 5.00 10.00 1.7 0.6 10.00 15.00 0.8 1.9 17.00 15.00 1.0 2.7 16.00 19.00 2.3 1.2 17.00 1.3 20.00 2.5 20.50 18.00 1.5 2.6 21.00 2.8 19.00 1.9 22.00 4.9 20.10 4.7 24.00 8.4 21.00 12.0 color change 26.00 22.00 8.8 12.7 23.00 30.00 13.0 9.1 24.00 35.00 9.3 13.1 25.00 40.00 13.3 9.4 45.00 30.00 13.6 9.5 35.00 13.8 40.00 13.9 45.10 14.0
weak aad W.A. HOAC Total Volume of base added, mL Strong bas SB NaOH CHM pH 0.00 3.47 5.00 4.77 10.00 5.45 15.00 5.92 17.00 6.21 19.00 7.01 -Color change 19.50 7.96 20.00 11.98 20.50 12.38 21.00 12.65 22.00 12.94 26.00 13.33 30.00 13.60 36.00 13.68 40.00 13.70 Strong acid SoA на weak base W.B. NH3 HCl + NaOH SA W.B. Total Volume of base pH added, mL Strong Weak acid base SA x axis Total Volume of base added, mL WB CHM Y axis pH 0.00 7.9 5.00 0.00 0.5 1.5 5.00 10.00 1.7 0.6 10.00 15.00 0.8 1.9 17.00 15.00 1.0 2.7 16.00 19.00 2.3 1.2 17.00 1.3 20.00 2.5 20.50 18.00 1.5 2.6 21.00 2.8 19.00 1.9 22.00 4.9 20.10 4.7 24.00 8.4 21.00 12.0 color change 26.00 22.00 8.8 12.7 23.00 30.00 13.0 9.1 24.00 35.00 9.3 13.1 25.00 40.00 13.3 9.4 45.00 30.00 13.6 9.5 35.00 13.8 40.00 13.9 45.10 14.0
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
Chapter14: Acids And Bases
Section: Chapter Questions
Problem 10RQ: For oxyacids, how does acid strength depend on a. the strength of the bond to the acidic hydrogen...
Question
The CRC Handbook provides the following information about the indicators used and their color change intervals:
Indicator ------- Range of pH for color change
phenol red ------------- yellow < 6.6 - 8.0 < red
phenolphtalein ------------ colorless < 8.2 - 10.0 < pink
bromcresol green --------- yellow < 3.8 - 5.4 < blue
On each of your titration curves, draw lines showing the color change ranges of all three indicators and comment on the suitability of each of the three indicators for each of the titrations
Transcribed Image Text:weak aad
W.A.
HOAC
Total Volume of base
added, mL
Strong bas
SB
NaOH
CHM
pH
0.00
3.47
5.00
4.77
10.00
5.45
15.00
5.92
17.00
6.21
19.00
7.01
-Color change
19.50
7.96
20.00
11.98
20.50
12.38
21.00
12.65
22.00
12.94
26.00
13.33
30.00
13.60
36.00
13.68
40.00
13.70
Transcribed Image Text:Strong acid
SoA
на
weak base
W.B.
NH3
HCl + NaOH
SA
W.B.
Total Volume of base
pH
added, mL
Strong
Weak
acid
base
SA
x axis
Total Volume of base
added, mL
WB
CHM
Y axis
pH
0.00
7.9
5.00
0.00
0.5
1.5
5.00
10.00
1.7
0.6
10.00
15.00
0.8
1.9
17.00
15.00
1.0
2.7
16.00
19.00
2.3
1.2
17.00
1.3
20.00
2.5
20.50
18.00
1.5
2.6
21.00
2.8
19.00
1.9
22.00
4.9
20.10
4.7
24.00
8.4
21.00
12.0
color change
26.00
22.00
8.8
12.7
23.00
30.00
13.0
9.1
24.00
35.00
9.3
13.1
25.00
40.00
13.3
9.4
45.00
30.00
13.6
9.5
35.00
13.8
40.00
13.9
45.10
14.0
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