2. Error Analysis: How accurate is your straight line?a. Examine your graph. Do most of your points fall on the best fit line, or are there outliers?2b. The R² value is a measure of how close your experimental values match the corresponding values from the straight line. If R2>0.95, this indicates the straight line isa good approximation of your data. If R² <0.95, then then the line is not a good approximation of your data. Discuss how good your fit is based on the R² value.WF23E20$4F4R%5।F5T6MacBook AirF6Y.87&adF7U*8DIIFB(9FOOF10-PF11 yout References Mailings Review Viewrt Endnotet Footnote ✓w Noteses5Search ResearcherAbsorbance54.543.52.521.510.50Research0InsertCitation11. Construct a standard curve in Excel by plotting concentration (in ppm) on your x-ax(unitless) on your y-axis for your known solutions. Label the axes on the graph and provititle. See Figure 5 in the lab handout for an example. Use a linear trendline to generate adata. Label the graph with the equation and the R2 value. Insert your labeled graph in theHelpManage SourcesStyle: [APA2BibliographyCitations & BibliographySciwheelNitrate Standard Curve34ty=0.8842x-0.8191R²=0.9509Q..**.ConcentrationInsertCaption56Insert Table of FigureUpdate TableCross-referenceCaptionsww72. Using the equation from your graph, determine the nitrate concentration (in ppm) in each ofsamples.Text Predictions: On Accessibility: InvestigateO Search8509FORGE*

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2. Error Analysis: How accurate is your straight line? a. Examine your graph. Do most of your points fall on the best fit line, or are there outliers? b. The R² value is a measure of how close your experimental values match the corresponding values from the straight line. If R²>0.95, this indicates the straight line is a good approximation of your data. If R² <0.95, then then the line is not a good approximation of your data. Discuss how good your fit is based on the R² value.

2. Error Analysis: How accurate is your straight line? a. Examine your graph. Do most of your points fall on the best fit line, or are there outliers? b. The R² value is a measure of how close your experimental values match the corresponding values from the straight line. If R²>0.95, this indicates the straight line is a good approximation of your data. If R² <0.95, then then the line is not a good approximation of your data. Discuss how good your fit is based on the R² value.

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter11: Solutions

Section: Chapter Questions

Problem 74AP

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