3. State the pH value of a sample that has ten times fewer hydronium ions than an equal volume of a vinegar sample with a pH value of 2.4.

Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter16: Reactions Between Acids And Bases
Section: Chapter Questions
Problem 16.9QE
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Help with question 3
Base your answer to the question on the information below and on your knowledge of chemistry.
A company produces a colorless vinegar that is 5.0% HC;H0; in water. One sample of vinegar has a pH value of
2.4. In water, the following occurs to produce hydromium ion.
HC2H;O2 + H2O = H;O* + C¿H;O2°
Using thymol blue as an indicator, a student titrates a 15.0-milliliter sample of the vinegar with 43.1 milliliters of a
0.30 M NaOH(aq) solution until the acid is neutralized.
3. State the pH value of a sample that has ten times fewer hydronium ions than an equal volume of a vinegar sample
with a pH value of 2.4.
4. Determine the number of significant figures the concentration of the base used in this titration is expressed to.
5. Explain, in terms of ions, why the colorless vinegar is classified as an Arrhenius acid.
6. State the Bronsted-Lowry base and its conjugate acid in the chemical reaction happening inside 5.0% vinegar.
Transcribed Image Text:Base your answer to the question on the information below and on your knowledge of chemistry. A company produces a colorless vinegar that is 5.0% HC;H0; in water. One sample of vinegar has a pH value of 2.4. In water, the following occurs to produce hydromium ion. HC2H;O2 + H2O = H;O* + C¿H;O2° Using thymol blue as an indicator, a student titrates a 15.0-milliliter sample of the vinegar with 43.1 milliliters of a 0.30 M NaOH(aq) solution until the acid is neutralized. 3. State the pH value of a sample that has ten times fewer hydronium ions than an equal volume of a vinegar sample with a pH value of 2.4. 4. Determine the number of significant figures the concentration of the base used in this titration is expressed to. 5. Explain, in terms of ions, why the colorless vinegar is classified as an Arrhenius acid. 6. State the Bronsted-Lowry base and its conjugate acid in the chemical reaction happening inside 5.0% vinegar.
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