EBK INTRODUCTION TO CHEMISTRY
5th Edition
ISBN: 9781260162165
Author: BAUER
Publisher: MCGRAW HILL BOOK COMPANY
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Chapter 13, Problem 92QP
Interpretation Introduction
Interpretation:
The phenomena by which an indicator shows two color changes are to be explained. The property that an indicator needs to show the respective phenomenon is to be explained.
Concept Introduction:
The
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Students have asked these similar questions
Selection of suitable indicator or choice of indicator-Define
What is the purpose of an indicator in titration?
Group of answer choices
To initiate the reaction of the solutions
To signal the endpoint of the reaction
To speed up the reaction of the solutions
To lower the concentration of the solutions
1. A student in the lab places drops of the indicator phenolphthalein a solution. The color of
the clear solution becomes pink.
a) Compare the hydroxide ion concentration to the hydronium ion concentration in the
solution.
b) The student adds another solution and the phenlolphthalien in the solution changes the
color of the solution from pink to a clear solution. Describe how the hydronium ion
concentration changed (increased, decreased or remained the same). Explain your
answer.
Answer:
Explanation:
2. In the table below indicated the color of each indicator you would expect for the pH
Chapter 13 Solutions
EBK INTRODUCTION TO CHEMISTRY
Ch. 13 - How do acids and bases differ from other...Ch. 13 - Prob. 2QCCh. 13 - Prob. 3QCCh. 13 - Prob. 4QCCh. 13 - Prob. 5QCCh. 13 - Prob. 6QCCh. 13 - Prob. 1PPCh. 13 - Prob. 2PPCh. 13 - Prob. 3PPCh. 13 - Prob. 4PP
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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
- When might a pH meter be better than an indicator to determine the end point of an acid-base titration?arrow_forwardFour different substances of the generalized formula HA were dissolved in water, with the results shown in the diagrams. Which of the diagrams represents the substance that is the strongest electrolyte?arrow_forwardExplain why the hydrolysis of salts makes it necessary to have available in a laboratory more than one acid-base indicator for use in titrations.arrow_forward
- In Arrhenius acidbase theory, what ion is responsible for the properties of a. acidic solutions b. basic solutionsarrow_forwardExplain why an acid-base indicator changes color over a range of pH values rather than at a specific pH.arrow_forwardClassify each of the following compounds as a strong electrolyte or a weak electrolyte. a. H3PO4 b. HNO3 c. KNO3 d. NaOHarrow_forward
- . The “Chemistry in Focus” segment Garden-Variety Acid— Base Indicators discusses acid-base indicators found in nature. What colors are exhibited by red cabbage juice under acid conditions? Under basic conditions?arrow_forwardClassify the solutions represented in Exercises 9.28 and 9.30 as acidic, basic, or neutral.arrow_forwardWhat term is used to describe the formation of ions, in aqueous solution, from a. a molecular compound b. an ionic compoundarrow_forward
- When all the water is evaporated from a sodium hydroxide solution, solid sodium hydroxide is obtained. However, if you evaporate the water in an ammonium hydroxide solution, you will not produce solid ammonium hydroxide. Explain why. What will remain after the Water is evaporated?arrow_forwardExplain how to choose the appropriate acid-base indicator for the titration of a weak base with a strong acid.arrow_forwardA buffer solution has a pH value of 9.8. Which value in the set of pH values 8.79.79.89.910.9 is the most likely value for the buffer solution pH after a. a small amount of strong acid has been added? b. a small amount of strong base has been added?arrow_forward
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