When 25 mL of 0.12 M aqueous ammonia is titrated with 0.12 M hydrobromic acid, what is the pH at the equivalence point?

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
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
icon
Related questions
Question
When 25 mL of 0.12 M aqueous ammonia is titrated with 0.12 M hydrobromic acid, what is the pH at the equivalence point?
X Incorrect.
10.2
Equivalence point pH =
Use correct number of significant digits;
X Incorrect.
Using the table below, select all indicators that could be used for the titration given above.
Approximate pH Range over
which the Color Changes
Color Change
(lower to higher pH)
Indicator
Methyl green
Yellow to blue
0.2-1.8
Thymol blue
1.2-2.8
Yellow to blue
Methyl orange
3.2-4.4
Red to yellow
Ethyl red
4.0-5.8
Colorless to red
Methyl purple
Purple to green
Yellow to purple
4.8-5.4
Bromocresol purple
5.2-6.8
Bromothymol blue
6.0-7.6
Yellow to blue
Phenol red
6.4-8.2
Yellow to red/violet
Litmus
4.7-8.3
Red to blue
Cresol red
7.0-8.8
Yellow to red
Thymol blue
8.0-9.6
Yellow to blue
Transcribed Image Text:When 25 mL of 0.12 M aqueous ammonia is titrated with 0.12 M hydrobromic acid, what is the pH at the equivalence point? X Incorrect. 10.2 Equivalence point pH = Use correct number of significant digits; X Incorrect. Using the table below, select all indicators that could be used for the titration given above. Approximate pH Range over which the Color Changes Color Change (lower to higher pH) Indicator Methyl green Yellow to blue 0.2-1.8 Thymol blue 1.2-2.8 Yellow to blue Methyl orange 3.2-4.4 Red to yellow Ethyl red 4.0-5.8 Colorless to red Methyl purple Purple to green Yellow to purple 4.8-5.4 Bromocresol purple 5.2-6.8 Bromothymol blue 6.0-7.6 Yellow to blue Phenol red 6.4-8.2 Yellow to red/violet Litmus 4.7-8.3 Red to blue Cresol red 7.0-8.8 Yellow to red Thymol blue 8.0-9.6 Yellow to blue
Phenolphthalein
8.2–10.0
Colorless to pink
Thymolphthalein
9.4-10.6
Colorless to blue
Alizarin yellow R
10.1-12.0
Yellow to red
Clayton yellow
12.2–13.2
Yellow to amber
litmus
bromothymol blue
methyl orange
methyl green
ethyl red
thymol blue
methyl purple
clayton yellow
phenol red
bromocresol purple
cresol red
thymol blue
phenolphthalein
thymolphthalein
alizarin yellow R
Transcribed Image Text:Phenolphthalein 8.2–10.0 Colorless to pink Thymolphthalein 9.4-10.6 Colorless to blue Alizarin yellow R 10.1-12.0 Yellow to red Clayton yellow 12.2–13.2 Yellow to amber litmus bromothymol blue methyl orange methyl green ethyl red thymol blue methyl purple clayton yellow phenol red bromocresol purple cresol red thymol blue phenolphthalein thymolphthalein alizarin yellow R
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Acid-Base Titrations
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY