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Concept explainers
(a)
Interpretation:
Molar absorption coefficient and absorbance of the aqueous solution containing amino acid tyrosine has to be calculated where transmittance is 0.22 and cell length is
Concept Introduction:
- According to Beer–Lambert law, intensity of radiation absorbed at a particular frequency depends on number of species absorbed (N), molar concentration [J] and the path length, L.
- Equation for transmittance, T can be given as,
- Equation for absorbance, A can be given as,
(a)
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Explanation of Solution
Given information is shown below,
- Molar absorption coefficient is calculated by the given formula.
Substitute the given values as shown,
Molar absorption coefficient is
- Absorbance of the solution is determined as given,
Absorbance of the solution is
(b)
Interpretation:
Transmittance through a cell with a length of 3.0 mm has to be determined.
Concept Introduction:
Equation for absorbance, A can be given as,
(b)
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Explanation of Solution
Given information is shown below,
Molar absorption coefficient is calculated by the given formula.
Substitute the given values as shown,
Molar absorption coefficient is
Absorbance of radiation through a
Transmittance of radiation through a
Transmittance of radiation through a
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Chapter 11 Solutions
Elements Of Physical Chemistry
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