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Questions and Answers
What is the absorbance value for a 55% T reading?
0.255
What is the absorbance value given a transmittance ratio of 0.40?
0.398
What is the %T value given an absorbance value of 0.835?
0.018
Calculate the transmittance if the intensity of the incident light is 0.50 W/m² and the light entering the detector is 0.36 W/m².
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Calculate the absorbance if the intensity of the incident light is 0.50 W/m² and the light entering the detector is 0.36 W/m².
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What is the molar absorptivity of a 0.25M solution with an absorbance of 0.075 at 560nm?
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What will be the absorbance if the concentration is 0.65M and the molar absorptivity is 0.30?
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What is the concentration if the absorbance is 0.450 and molar absorptivity is 0.30?
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Write a linear equation that fits the absorbance data given in the table.
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What is the absorbance when the concentration is 0.482M?
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What is the concentration when the absorbance is 0.521?
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Study Notes
Exercise 1
- A 55% T reading was obtained for the level 1 creatinine control and reagent using the Jaffe method.
- The question asks for the absorbance value.
Exercise 2
- Transmittance ratio is 0.40.
- The question asks for the absorbance value.
Exercise 3
- Absorbance value is 0.835.
- The question asks for the %T value.
Exercise 4
- Intensity of incident light = 0.50w/m2.
- Intensity of light entering the detector = 0.36w/m2.
- The question asks to calculate the transmittance and absorbance.
Exercise 5
- Concentration of solution = 0.25M.
- Path length = 1cm.
- Absorbance = 0.075 at 560nm.
- The question asks for the molar absorptivity of the solution, the absorbance if the concentration is 0.65M, and the concentration if the absorbance is 0.450.
Exercise 6
- The table shows the relationship between absorbance and concentration of a solution given a path length of 1cm.
- The question asks to write a linear equation that fits the data, the absorbance when the concentration is 0.482M, and the concentration when the absorbance is 0.521.
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Description
Test your knowledge on spectrophotometry with these exercises. This quiz involves calculating absorbance, transmittance, and molar absorptivity for various conditions. Perfect for students studying chemistry or laboratory techniques.
