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Activities and Due Dates 204 Determining an Equilibrium Constant by Photometry n

ID: 940252 • Letter: A

Question

Activities and Due Dates 204 Determining an Equilibrium Constant by Photometry ng16 2/21/2016 11:55 PM O 11.8/152/21/2016 02:04 PM Print Calculator Periodic Table eston 8 of 12 saping ang Suppose you generate the following spectroscopic data with two solutions of known concentration. Conc (M) Absorbance 0.0205 0.1565 0.1063 0.8063 What is the slope of the line formed by these points What is the concentration of a solution with an absorbance of 0.419? What is the intercept? Number Number Number Tools x 10 Hint Previous Give Up & View Solton Check Answer O Next

Explanation / Answer

The plot of concentration Vs absorbance is shown below. The slope is 5.152 Intercept= 0

The equation from the plot is A= 5.152*concentration 0.419= 5.152*Concentration

concentration = 0.419/5.152=0.081328 M

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