5) In order to determine the Kb of an unknown weak base, you decide to perform a titration. You accurately measure out 175.0 mg of the base, and dissolve it in a total solution volume of 25.0 mL. After that, you titrant the solution with 0.150 M HBr, and get the data shown in the table below. From this information, answer the following questions. Volume of HBr pH 0 mL a. Construct a fully labeled titration curve. 11.96 b. Determine the Kb of the weak base. 13.0 mL 10.75 c. Determine the molar mass of the weak 26.0 mL base. 30.0 mL 5.90 1.96
5) In order to determine the Kb of an unknown weak base, you decide to perform a titration. You accurately measure out 175.0 mg of the base, and dissolve it in a total solution volume of 25.0 mL. After that, you titrant the solution with 0.150 M HBr, and get the data shown in the table below. From this information, answer the following questions. Volume of HBr pH 0 mL a. Construct a fully labeled titration curve. 11.96 b. Determine the Kb of the weak base. 13.0 mL 10.75 c. Determine the molar mass of the weak 26.0 mL base. 30.0 mL 5.90 1.96
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter15: Acid–base Equilibria
Section: Chapter Questions
Problem 56P
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Question
Do not give answer in image and hand writing
![5) In order to determine the Kb of an unknown weak base, you decide to
perform a titration. You accurately measure out 175.0 mg of the base, and
dissolve it in a total solution volume of 25.0 mL. After that, you titrant the
solution with 0.150 M HBr, and get the data shown in the table below. From
this information, answer the following questions.
Volume of HBr pH
a. Construct a fully labeled titration curve.
0 mL
11.96
b. Determine the Kb of the weak base.
13.0 mL
10.75
c. Determine the molar mass of the weak
26.0 mL
5.90
30.0 mL
1.96
base.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1781e1a1-ac03-4545-ba1b-fe1ee060a398%2Fdd9b0145-ed16-4b20-bde7-2a9bdabdf8c2%2Fdcu3w3_processed.jpeg&w=3840&q=75)
Transcribed Image Text:5) In order to determine the Kb of an unknown weak base, you decide to
perform a titration. You accurately measure out 175.0 mg of the base, and
dissolve it in a total solution volume of 25.0 mL. After that, you titrant the
solution with 0.150 M HBr, and get the data shown in the table below. From
this information, answer the following questions.
Volume of HBr pH
a. Construct a fully labeled titration curve.
0 mL
11.96
b. Determine the Kb of the weak base.
13.0 mL
10.75
c. Determine the molar mass of the weak
26.0 mL
5.90
30.0 mL
1.96
base.
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