In a cell, 0.50 mL of 0.75 M NaOCl and 2.50 mL of 5.50 x 10-6 M aqueous dye were mixed. The pseudo order was applied and the absorbance was measured as a function of time. By plotting In [Tint] as a function of time in seconds, a graph with a linear trend is obtained whose slope is -0.0354 s-1. If the order with respect to NaOCI is 1, what is the value of the rate constant in M-1s-1? а. 6.44 х 103 М-1s-1 b. 0.47 M-1s-1 С. 7.72 x 103 M-1s-1 d. 0.28M-1s-1

In a cell, 0.50 mL of 0.75 M NaOCl and 2.50 mL of 5.50 x 10-6 M aqueous dye were mixed. The pseudo order was applied and the absorbance was measured as a function of time. By plotting In [Tint] as a function of time in seconds, a graph with a linear trend is obtained whose slope is -0.0354 s-1. If the order with respect to NaOCI is 1, what is the value of the rate constant in M-1s-1? а. 6.44 х 103 М-1s-1 b. 0.47 M-1s-1 С. 7.72 x 103 M-1s-1 d. 0.28M-1s-1

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

Chapter13: An Introduction To Ultraviolet-visible Molecular Absorption Spectrometry

Section: Chapter Questions

Problem 13.22QAP

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In a cell, 0.50 mL of 0.75 M NaOCl and 2.50 mL of 5.50 x 10-6 M aqueous dye were mixed. The pseudo order was applied and the absorbance was measured as a function of time. By plotting ln [Tint] as a function of time in seconds, a graph with a linear trend is obtained whose slope is -0.0354 s-1. If the order with respect to NaOCl is 1, what is the value of the rate constant in M-1s-1?
. A student collects the following data for the absorbance of a complex measured in 1.00 cmspectrophotometric cells. The molar absorptivity (ε) of the complex under investigation is 2.25×103L/mol·cm. Calculate the concentration of the complex in solution at each time of the reaction.Time (min)MeasuredAbsorbanceComplex Concentration(M)0.000 1.50010.000 1.31320.000 1.12530.000 0.93840.000 0.750
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