The following data was obtained for an experiment on the gas chromatographic determination of toluene in an unknown sample using the internal standard method. Concentration (mass %) Toluene Peak Area Ethylbenzene Peak Area 0.50 0.539 1.970 1.00 1.150 2.051 2.00 2.174 2.018 3.00 3.308 2.009 unknown 1.382 2.015 a) Plot the calibration curve for this analysis and calculate the slope, y-intercept, and Pearson correlation coefficient. b) Find the % of toluene in the unknown.

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 data was obtained for an experiment on the gas chromatographic determination of toluene
in an unknown sample using the internal standard method.
Concentration (mass %)
Toluene Peak Area
Ethylbenzene Peak Area
0.50
0.539
1.970
1.00
1.150
2.051
2.00
2.174
2.018
3.00
3.308
2.009
unknown
1.382
2.015
a) Plot the calibration curve for this analysis and calculate the slope, y-intercept, and Pearson
correlation coefficient.
b) Find the % of toluene in the unknown.
Transcribed Image Text:The following data was obtained for an experiment on the gas chromatographic determination of toluene in an unknown sample using the internal standard method. Concentration (mass %) Toluene Peak Area Ethylbenzene Peak Area 0.50 0.539 1.970 1.00 1.150 2.051 2.00 2.174 2.018 3.00 3.308 2.009 unknown 1.382 2.015 a) Plot the calibration curve for this analysis and calculate the slope, y-intercept, and Pearson correlation coefficient. b) Find the % of toluene in the unknown.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps with 4 images

Blurred answer
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