Question

A sample in a 1.0 cm cell is determined with a spectrometer to transmit 80% light at a certain wavelength. If the molar absorptivity of this substance at this wavelength is 2.0. Concentration (ppm) % Transmittance 0.100 82.98 0.200 67.45 0.500 36.98 1.000 13.90 Unknown 34.43 What is the b (path length ) in the given problem? * 2.0 1.0 80% 0.80

          A sample in a 1.0 cm cell is determined with a spectrometer to transmit 80% light at a certain wavelength. If the molar absorptivity of this substance at this wavelength is 2.0. Concentration (ppm) % Transmittance 0.100 82.98 0.200 67.45 0.500 36.98 1.000 13.90 Unknown 34.43 What is the b (path length ) in the given problem? *
2.0
1.0
80%
0.80

Show more…

A sample in a 1.0 cm cell is determined with a spectrometer to transmit 80% light at a certain wavelength. If the molar absorptivity of this substance at this wavelength is 2.0. Concentration (ppm) % Transmittance 0.100 82.98 0.200 67.45 0.500 36.98 1.000 13.90 Unknown 34.43 What is the b (path length ) in the given problem? *
2.0
1.0
80%
0.80

Added by Donald S.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Lazim D

03/21/2022

Step 1

The formula for this law is A = εbc, where A is the absorbance, ε is the molar absorptivity, b is the path length, and c is the concentration. In this problem, we are given the molar absorptivity (ε = 2.0), the transmittance (T = 80% or 0.80), and we are asked to Show more…

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A sample in a 1.0 cm cell is determined with a spectrometer to transmit 80% light at a certain wavelength. If the molar absorptivity of this substance at this wavelength is 2.0. Concentration (ppm) % Transmittance 0.100 82.98 0.200 67.45 0.500 36.98 1.000 13.90 Unknown 34.43 What is the b (path length ) in the given problem? 2.0 1.0 80% 0.80

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