Which is TRUE for spectroscopy of a mixture? O A. The absorbance for a mixture at a particular wavelength is the sum of the absorbances for the components that absorb at the particular wavelength. O B. Spectrophotometers can differentiate between mixture components that absorb at the same wavelength. C. Each component in a mixture has the same molar absorptivity at the same wavelength. O D. The concentration for each component in a mixture is easily calculated by least squares for guesses of each component when the individual spectra are well resolved.

Which is TRUE for spectroscopy of a mixture? O A. The absorbance for a mixture at a particular wavelength is the sum of the absorbances for the components that absorb at the particular wavelength. O B. Spectrophotometers can differentiate between mixture components that absorb at the same wavelength. C. Each component in a mixture has the same molar absorptivity at the same wavelength. O D. The concentration for each component in a mixture is easily calculated by least squares for guesses of each component when the individual spectra are well resolved.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter25: Instruments For Optical Spectrometry

Section: Chapter Questions

Problem 25.6QAP

See similar textbooks

Similar questions

Would the light from fireflies be considered an example of a fluorescence or a phosphorescence process?
Which is TRUE for spectroscopy of a mixture? A. The absorbance for a mixture at a particular wavelength is the sum of the absorbances for the components that absorb at the particular wavelength. B. Spectrophotometers can differentiate between mixture components that absorb at the same wavelength. C. Each component in a mixture has the same molar absorptivity at the same wavelength. D. The concentration for each component in a mixture is easily calculated by least squares for guesses of each component when the individual spectra are well resolved.
Which of the the following is false regarding spectrophotometry? A. The concentration of a sample increaes with the path length of the curvette or sample holder since the absorbance increases B. When absorbance increases, transmittance decreases C. The absorption coefficient depends on wavelength of light and type of sample D. Materials with higher absorption coefficients more readily absorb light. E. The lambda max of a red sample is at a shorter wavelength than the lambda max of a blue sample
The absorbance of a mixture at a specified wavelength is the total of the absorbances of each component at that wavelength. O True O False
3. In molecular absorption spectrophotometry, the relationship between transmittance and concentration is not linear while the absorbance vs concentration is linear. True False
3. What is the purpose of using blank before measuring the absorbance of a substance?
What absorbance corresponds to 99% transmittance? To 0.10% transmittance?
Q10) Describe spectrophotometry tests? If you were given a solution that contains an absorbing molecule how would you determine its max absorbance?