Calculate the concentration of lycopene in your orange fraction using using Beer's law equation A=ExBxC A is the measured absorbance, E is the molar extinction coefficient (M-1cm-1) at a particular wavelength, B is the path length (in cm) and C is the analyte concentration (M).  A= 0.602. Wavelenght is 500.95nm.  Molar extinction coefficients is 123,000M-1cm-1

Q: Calculate the specific absorbance ratio (SAR), where A620 = 0.166 and A280 = 0.557

A: The specific absorbance ratio (SAR) is calculated as the ratio of the absorbance at 620 nm to the…

Q: 1 2 3 TEST TUBE 4 5 Blank Unknown solution Volume 0.52 M Fe₂(SO4)3 1.00 mL 2.00 mL 3.00 mL 4.00 mL…

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Q: A solution of a specific vitamin has a åmax of 271 nm and a concentration of 2.73 × 10-7M. The…

A: Given that : Concentration of the solution (C) = 2.73 x 10-7 M Absorbance of the solution (A) =…

Q: extinction coefficient = ε, path length = b, concentration C A sample containing an unknown…

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Q: A solution containing a mixture of the compounds X and Y had an absorbance of 0.736 at 443 nm and an…

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Q: 3. A 2.50×104M solution of a dye has an absorbance of 0.680 when measured in a 1.00 cm cell at 625…

A: The relation between absorbance and transmittance is given by A=2-logT     or A=-logT where A=…

Q: A 2.54 x 10- M sample of compound X in a solvent has an absorbance of 0.370 at 528 nm in a 1.000 cm…

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Q: A 1.3 * 10-5M solution of an unknown substance has an absorbance of 0.345 at its λmax. Calculate the…

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Q: Sally obtains a standard calibration curve for their assigned food dye by plotting absorbance versus…

A: The objective of this question is to determine the concentration of the food dye in the original…

Q: one: Topic Molecular Spectroscopy (16 marks) You were given an unknown mixture that contains two…

A: Step 1: Calculate the absorbance of the mixture at each wavelength (510 nm for salt A and 575 nm for…

Q: Listen A dilute solution of caffeine was analyzed by UV-Visible spectroscopy and found to have a…

A: We can calculate the absorbance factor by two method which are.,  Method 1 :-  The relation between…

Q: C. Spectrophotometry 1. Measure the absorbance of the standard solutions and construct a calibration…

A: A question based on calibration of curve that is to be accomplished.

Q: A standard of solution was put through appropriate dilutions to give the concentrations of glucose…

A: Straight line equation can be written as:traight line equation can be written as:Using Linear…

Q: An unknown chemical has an absorbance of 0.265 in a 1.0cm cuvette at a concentration of 0.703 M.…

A: From given data A = 0.265  l = 1 cm c = 0.703 M   Formula used A= ԑcl Where, ԑ is absorptivity…

Q: What absorbance value corresponds to 40.2% T? A = A 0.0130 M solution of a certain analyte exhibits…

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Q: A 6.17 x 10- M sample of compound X in a solvent has an absorbance of 0.300 at 528 nm in a 1.000 cm…

A: Answer: This question is based on Beer-Lambert law which is shown below: A=εbC Here:…

Q: 4.00 3.50 3.00 2.50 2.00 1.50 1.00 y = 19883x + 0.5405 R? = 0.8873 0.50 0.00 0.00E+00 5.00E-05…

A: This can be obtained by putting drop line

Q: Determine the concentration of a solution with an extinction coefficient of 82 Mcm and an absorbance…

A: Use Beer-Lambert's Law.A = ebcwhere A = absorbancee = extinction coefficientb = size of cuvettec =…

Q: 20 What absorbance value corresponds to 47.4% T? A = 0.323 A 0.0141 M solution of a certain analyte…

A: 1. What absorbance value corresponds to 47.4% Т?A =2. A 0.0141 M solution of a certain analyte…

Q: The concentration of phenol in an aqueous solution is 10 ug/mL. The absorbance is found to be 0.209…

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Q: A 131.7 mg sample of powdered Carbamazepine tablets was boiled with ethanol, filtered and then made…

A: Step :

Q: The extinction coefficient for FD&C Blue Dye #1 is 138,500 cm-L/mol at 630 nm. A chemist collected…

A: A question based on quantitative analysis, which is to be accomplished.

Q: Graphs are a common data analysis tool used in all branches of science. The given graph represents…

A: The graph between Absorbance and concentration of sample is used to find the concentration of…

Q: The measured absorbance of a solution with a pathlength of 1.00 cm is 0.544. If the concentration is…

A: pathlength (l) =1.00 cm Absorbance (A) = 0.544 concentration(c) = 1.40 x 10 —3M

Q: 10 cm 3 air saturated Fricke dosimetry solution in a 1 cm diameter tube is irradiated for 10 min in…

A: Absorbance is a measure of the quantity of light absorbed by a sample. It can be calculated by using…

Q: Maria was tasked to determine the concentration of a Fe2(SO4)3 solution. She prepared 5 different…

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Q: To determine the content of Pb in a canned sausage, 5.00 g were weighed and after adequate treatment…

A: Beer Lambert's law gives the relationship between absorbance and concentration. THe equation can be…

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.