The concentration and absorbance data below were collected for compoundX. A sample of compound X of unknown concentration has a correctedaverage absorbance of 0.5621 (three replicate measurements). Calculate theconcentration of the unknown compound (mg/mL)?Concentration(mg/mL)Absorbance0.422100.510150.6216.78.910.3O 12.2 The concentration and absorbance data below were collected for compoundX. A sample of compound X of unknown concentration has a correctedaverage absorbance of 0.5621 (three replicate measurements). Calculate they-intercept?ConcentrationAbsorbance(mg/mL)0.422100.510150.6210.2990.2220.319O 0.553

Absorbance is related to concentration by the following relation.…

The concentration and absorbance data below were collected for compound X. A sample of compound X of unknown concentration has a corrected average absorbance of 0.5621 (three replicate measurements). Calculate the concentration of the unknown compound (mg/mL)? Concentration Absorbance (mg/mL) 0.422 10 0.510 15 0.621 6.7 8.9 10.3 O 12.2

The concentration and absorbance data below were collected for compound X. A sample of compound X of unknown concentration has a corrected average absorbance of 0.5621 (three replicate measurements). Calculate the concentration of the unknown compound (mg/mL)? Concentration Absorbance (mg/mL) 0.422 10 0.510 15 0.621 6.7 8.9 10.3 O 12.2

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter12: Atomic X-ray Spectrometry

Section: Chapter Questions

Problem 12.8QAP

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I absorbance data for your methylene blue standards and determine the slope and y-intercept using the linear model equation Y-mX+ b. Once you have appropriately set up your spreadsheet, you should be able to predict the unknown concentration of methylene blue using the absorbance data that you collected. This unknown concentration should be plotted as a separate data point on your figure (with an appropriate label in the key) and should fall along the trendline if calculated properly. ...., create a scatter plot using the concentration Your figure should include the following: O Labelled axes (including titles and units) O A raw data "line" (raw data points) O A trendline that runs through the raw data O A separate data point for your unknown concentration of methylene blue O A key that clearly identifies the data set and the unknown O Figure number O Descriptive title Your spreadshcet should also include the following (which should not be part of your figure): O Slope O Y-intercept
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Compund AFK has a maximum absorbance of 650 nm. Its molar absorptivity at 650 is 8400 M−1cm−1 and the path length is 1 cm. Using a spectrophotometer, determine the concentration of Compound AFK it is absorbance at 650 nm is 0.700 ? 8.33x10-5 mol/L 1.20 x104 mol/L 1.08 x10-3 mol/L 7.74 x10-2 mol/L
The concentration and absorbance data below were collected for compound X. A sample of compound X of unknown concentration has a corrected average absorbance of 0.5621 (3 replicate measurements). Calculate the y-intercept. CONCENTRATION (mg/mL) ABSORBANCE 5 0.422 10 0.510 15 0.621 a. 0.299 b. 0.222 c. 0.319 d. 0.553
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