A student carries out the equilibrium constant experiment following a similar procedure used in the LearnSmart Lab simulator. In the first part of the experiment, there is a contaminant which causes absorbance values to read higher than they should for the thiocyanatoiron(III) complex. The resulting Beer's law plot has a slope that is larger than it would be if the contaminant was not present. This results in a Beer's Law plot with a slope that is larger than it would be if the contaminant were not present. If the same contaminant was not present when the student carries out the second part of the experiment, how will the student's results be affected? The molarities of thiocyanatoiron(III) ion would calculate higher and the calculated K̟ values would calculate higher. The molarities of thiocyanatoiron(III) ion would calculate lower and the calculated K, values would calculate lower. The molarities of thiocyanatoiron(III) ion would calculate higher and the calculated K̟ values would calculate lower. The molarities of thiocyanatoiron(III) ion would calculate lower and the calculated K, values would calculate higher.

A student carries out the equilibrium constant experiment following a similar procedure used in the LearnSmart Lab simulator. In the first part of the experiment, there is a contaminant which causes absorbance values to read higher than they should for the thiocyanatoiron(III) complex. The resulting Beer's law plot has a slope that is larger than it would be if the contaminant was not present. This results in a Beer's Law plot with a slope that is larger than it would be if the contaminant were not present. If the same contaminant was not present when the student carries out the second part of the experiment, how will the student's results be affected? The molarities of thiocyanatoiron(III) ion would calculate higher and the calculated K̟ values would calculate higher. The molarities of thiocyanatoiron(III) ion would calculate lower and the calculated K, values would calculate lower. The molarities of thiocyanatoiron(III) ion would calculate higher and the calculated K̟ values would calculate lower. The molarities of thiocyanatoiron(III) ion would calculate lower and the calculated K, values would calculate higher.

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

Chapter20: Molecular Spectroscopy And Photochemistry

Section: Chapter Questions

Problem 67CP

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In an experiment, there is a contaminant that causes absorbance values to read higher for thiocyanatoiron(III) complex. The resulting Beer's law plot has a slope that is larger than it would be if there was no containment. This results in a Beer's Law plot with a slope that is larger . If the this contaminant was not present when the student carries out the 2nd part of this experiment, how will this affect the student's. 1)The molarities of thiocyanatoiron(III) ion would calculate lower and the calculated Kc values would calculate lower.2)The molarities of thiocyanatoiron(III) ion would calculate higher and the calculated Kc values would calculate higher.3)The molarities of thiocyanatoiron(III) ion would calculate higher and the calculated Kc values would calculate lower.4)The molarities of thiocyanatoiron(III) ion would calculate lower and the calculated Kc values would calculate higher.
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a) Determine the concentration of your prepared Iron (III) Salicylate Dianion solution (pure ASA) in the 10.0. mL of 1.0 M NaOH in mg/mL (Part D) using the Beer's Law plot completed in Question 1. Hint: You need to use the measured absorbance reading of your prepared Iron (III) dianion. b) Then, calculate the mass (in mg ) of pure ASA knowing that two consecutive dilutions were done to prepare the solution. Show all of your work. given information: beer's law Standard: Concentration of ASA in Standards (mg/mL) A: 0.18 B: 0.14 C: 0.10 D: 0.070 E: 0.040 Sample: Absorbance reading standard A: 1.25 standard B: 0.96 standard C: 0.74 standard D: 0.50 standard E: 0.23 the absorbance reading for my prepared iron (III) dianion is 0.83 the volume is 25.0mL b is the path length of the cuvette (assume 1 cm) the molecular weight of Iron (III) Salicylate Dianion is 330.09g/mol (correct me if i am wrong) i do not have the molar absorptivity, but the equation is 7,1*x +0.017 for the slope-intercept…
Yellow Dye Calibration Curve y = 254.78x - 0.1414 R? = 0.9792 2.5 1.5 1 0.5 0.002 0.004 0.006 0.008 0.01 0.012 Concentration(M) 3. 2. Absorbance
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True or false and why is false 1 There are 2 major classes of keratins: alpha keratins (found in mammals) and beta keratins (found in feathers and scales of birds and reptiles) 2 One estimate of mobility within a crystal is the B-factor that reflects spreading or blurring of electron density 3 In NMR, the longitudinal relaxation time (T1) reflects the rate at which magnetization returns to the longitudinal axis after a pulse