15. A weak base with an unknown K, is titrated with HCl(aq) at 25°C, to give the curve below. What is Kb for the weak base? 12 a. 8 x 10-8 b. 1x 106 10 c. 2 x 10-11 d. 5 × 10-9 8 e. 4 x 10+ 6 4 2 0 0 5 10 Volume HCl added (mL) 15 20

15. A weak base with an unknown K, is titrated with HCl(aq) at 25°C, to give the curve below. What is Kb for the weak base? 12 a. 8 x 10-8 b. 1x 106 10 c. 2 x 10-11 d. 5 × 10-9 8 e. 4 x 10+ 6 4 2 0 0 5 10 Volume HCl added (mL) 15 20

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter15: Additional Aqueous Equilibria

Section: Chapter Questions

Problem 93QRT: When 40.00 mL of a weak monoprotic acid solution is titrated with 0.100-M NaOH, the equivalence...

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Question

please answer in text form and in proper format answer with must explanation , calculation for each part and steps clearly

15. A weak base with an unknown K, is titrated with HCl(aq) at 25°C, to give the curve below. What is Kb
for the weak base?
12
a.
8 x 10-8
b. 1x 106
10
c.
2 x 10-11
d.
5 × 10-9
8
e.
4 x 10+
6
4
2
0
0
5
10
Volume HCl added (mL)
15
20

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