Trial final burette reading (mL) initial burette reading (mL) volume of NaOH(aq) added (mL) colour at endpoint #1 #2 #3 #4 17.935.0 22.9 40.1 0.3 17.9 5.9 22.9 blue green green greer a) Select the most consistent trials and calculate the

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
The following table shows data from the titration of
four 10.0 mL samples of a solution containing
hydrochloric acid, HCl(aq), using a 0.242 mol/L sodium
hydroxide standard solution. Bromothymol blue is
used as an indicator to detect when the endpoint is
reached.
Titration of 10.0 mL HCl(aq) with 0.242 mol/L
NaOH(aq)
Trial
final burette reading (mL)
initial burette reading (mL)
volume of NaOH(aq) added
(mL)
colour at endpoint
#1 #2 #3 #4
17.935.0 22.9 40.1
0.3 17.9 5.9 22.9
blue green green green
a) Select the most consistent trials and calculate the
average volume of titrant added.
b) Calculate the concentration of the hydrochloric
acid solution.
Hint: Write a balanced chemical reaction first.
You MUST show your work in the space provided.
Then, record your final answers with the correct
number of significant digits and the proper units.
Transcribed Image Text:The following table shows data from the titration of four 10.0 mL samples of a solution containing hydrochloric acid, HCl(aq), using a 0.242 mol/L sodium hydroxide standard solution. Bromothymol blue is used as an indicator to detect when the endpoint is reached. Titration of 10.0 mL HCl(aq) with 0.242 mol/L NaOH(aq) Trial final burette reading (mL) initial burette reading (mL) volume of NaOH(aq) added (mL) colour at endpoint #1 #2 #3 #4 17.935.0 22.9 40.1 0.3 17.9 5.9 22.9 blue green green green a) Select the most consistent trials and calculate the average volume of titrant added. b) Calculate the concentration of the hydrochloric acid solution. Hint: Write a balanced chemical reaction first. You MUST show your work in the space provided. Then, record your final answers with the correct number of significant digits and the proper units.
Expert Solution
steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Knowledge Booster
Quality Assurance and Calibration Methods
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