The following data are obtained from three standard soltions using UV-Vis spectroscopy: What is the colar concentration (M) of an unknown solution with an absorbance of 0.180 at 255 nm? The unknown solution contains the same analyte as the standard solution does. The molar mass of the analyte is 188.65 g/mola) 4.82x10-5b)1.9x10-3c)3.60x10-4d)1.9x10-5e)1.8x 10-4 The image displays a data table comparing concentration and absorbance measurements:**Table: Concentration and Absorbance Data**| Analysis # | Conc. (mg/L) | Absorbance (at 255 nm) ||------------|--------------|------------------------|| 1 | 8.00 | 0.160 || 2 | 20.00 | 0.390 || 3 | 40.00 | 0.781 |**Description:**This table provides information from three analyses measuring the absorbance of solutions at a wavelength of 255 nanometers. Each analysis is identified by a number, with corresponding concentration values given in milligrams per liter (mg/L) and absorbance values shown as dimensionless units. The data suggests a positive correlation between concentration and absorbance, indicative of Beer-Lambert Law behavior, where absorbance increases with rising concentration.

Given : Absorbance of solution at 255 nm= 0.180 And molar mass of analyte = 188.65 g/mol

Answered: The following data are obtained from…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

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The following data are obtained from three standard soltions using UV-Vis spectroscopy:

What is the colar concentration (M) of an unknown solution with an absorbance of 0.180 at 255 nm? The unknown solution contains the same analyte as the standard solution does. The molar mass of the analyte is 188.65 g/mol

a) 4.82x10^-5
b)1.9x10^-3
c)3.60x10^-4
d)1.9x10^-5
e)1.8x 10^-4

The image displays a data table comparing concentration and absorbance measurements:

**Table: Concentration and Absorbance Data**

| Analysis # | Conc. (mg/L) | Absorbance (at 255 nm) |
|------------|--------------|------------------------|
| 1 | 8.00 | 0.160 |
| 2 | 20.00 | 0.390 |
| 3 | 40.00 | 0.781 |

**Description:**
This table provides information from three analyses measuring the absorbance of solutions at a wavelength of 255 nanometers. Each analysis is identified by a number, with corresponding concentration values given in milligrams per liter (mg/L) and absorbance values shown as dimensionless units. The data suggests a positive correlation between concentration and absorbance, indicative of Beer-Lambert Law behavior, where absorbance increases with rising concentration.

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