5. The diagram below shows the titration curves for weak and strong base using 0.100 M as titraot I 14 13 Curve A 12 11 10 9 T Curve B Equivalence point- 10 20 30 40 50 60 Volume of 0.100 M HCI (aq) in ml Suppose B represented the weak base titration curve in the diagram above and 25.0 mL of it was titrated with 0.100 M HCI. What was the initial concentration of the weak base? Calculate the pH at the equivalence point for weak base at temperature 25*C. (kb for B=1.8x10-) pH 4 FANNS. 14 13 12 11 10 3. I

Chemistry: The Molecular Science
5th Edition
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Author:John W. Moore, Conrad L. Stanitski
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Chapter15: Additional Aqueous Equilibria
Section: Chapter Questions
Problem 34QRT
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1
5. The diagram below shows the titration curves for weak and strong base using 0.100 M as titraot
I
14
13
14
Curve A
13
12
+
11
11
10
10
9
9
Curve B
Equivalence point-
0
10
20
30
40
50
60
Volume of 0.100 M HCI (aq) in ml
Suppose B represented the weak base titration curve in the diagram above and 25.0 mL of it was
titrated with 0.100 M HCl. What was the initial concentration of the weak base?
Calculate the pH at the equivalence point for weak base at temperature 25°C. (kb for B=1.8x10-5)
PH
8
7
6
5
3
1
4
3
7
6
5
PH
Transcribed Image Text:5. The diagram below shows the titration curves for weak and strong base using 0.100 M as titraot I 14 13 14 Curve A 13 12 + 11 11 10 10 9 9 Curve B Equivalence point- 0 10 20 30 40 50 60 Volume of 0.100 M HCI (aq) in ml Suppose B represented the weak base titration curve in the diagram above and 25.0 mL of it was titrated with 0.100 M HCl. What was the initial concentration of the weak base? Calculate the pH at the equivalence point for weak base at temperature 25°C. (kb for B=1.8x10-5) PH 8 7 6 5 3 1 4 3 7 6 5 PH
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