5. A solution of 0.100 MHCI and a solution of 0.100 M NGOH 14 are prepared. A 40.0 mL sample of one of the solutions is added to a beaker and then titrated with the other solution. A 12 pH electrode is used to obtain the data that are plotted in the 10 titration curve shown. pH 6. a. Identify the solution that was initially added to the beaker and which solution was in the buret. Explain your reasoning. 4. b. At the equivalence point, how many moles of titrant have been added? 20.0 40.0 60.0 80.0 Volume of Titrant Added (mL.) c. The same titration is to be performed again, this time using an indicator. Use the information in the table below to select the best indicator for the titration. Explain your choice. pH Range of Color Change Indicator Methyl violet 0-1.6
5. A solution of 0.100 MHCI and a solution of 0.100 M NGOH 14 are prepared. A 40.0 mL sample of one of the solutions is added to a beaker and then titrated with the other solution. A 12 pH electrode is used to obtain the data that are plotted in the 10 titration curve shown. pH 6. a. Identify the solution that was initially added to the beaker and which solution was in the buret. Explain your reasoning. 4. b. At the equivalence point, how many moles of titrant have been added? 20.0 40.0 60.0 80.0 Volume of Titrant Added (mL.) c. The same titration is to be performed again, this time using an indicator. Use the information in the table below to select the best indicator for the titration. Explain your choice. pH Range of Color Change Indicator Methyl violet 0-1.6
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter14: Equilibria In Acid-base Solutions
Section: Chapter Questions
Problem 65QAP: Follow the directions of Question 64. Consider two beakers: Beaker A has a weak acid(K a=1105)....
Related questions
Question
![5. A solution of 0.100 M HCI and a solution of 0.100 M NAOH
14
are prepared. A 40.0 mL sample of one of the solutions is
added to a beaker and then titrated with the other solution. A
12
pH electrode is used to obtain the data that are plotted in the
10
titration curve shown.
8.
pH
a. Identify the solution that was initially added to the
beaker and which solution was in the buret. Explain
your reasoning.
6.
2
b. At the equivalence point, how many moles of titrant
0-
have been added?
20.0
40.0
60.0
80.0
Volume of Titrant Added (mL)
c. The same titration is to be performed again, this time
using an indicator. Use the information in the table below to
select the best indicator for the titration. Explain your choice.
pH Range of
Color Change
Indicator
Methyl violet
0-1.6
Methyl red
4-6
Alizarin yellow
10 - 12](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffdc9f89b-6ede-46ae-a070-ddecd6487e6b%2F797bd0f3-340b-4880-ae0a-a72c211347ba%2F91wq0gl_processed.jpeg&w=3840&q=75)
Transcribed Image Text:5. A solution of 0.100 M HCI and a solution of 0.100 M NAOH
14
are prepared. A 40.0 mL sample of one of the solutions is
added to a beaker and then titrated with the other solution. A
12
pH electrode is used to obtain the data that are plotted in the
10
titration curve shown.
8.
pH
a. Identify the solution that was initially added to the
beaker and which solution was in the buret. Explain
your reasoning.
6.
2
b. At the equivalence point, how many moles of titrant
0-
have been added?
20.0
40.0
60.0
80.0
Volume of Titrant Added (mL)
c. The same titration is to be performed again, this time
using an indicator. Use the information in the table below to
select the best indicator for the titration. Explain your choice.
pH Range of
Color Change
Indicator
Methyl violet
0-1.6
Methyl red
4-6
Alizarin yellow
10 - 12
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