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: 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: Suppose that a solution has an absorbance of 0.226 at a wavelength of 450 nm.  If the concentration…

A: Given the absorbance of the solution, A = 0.226 Concentration of the solution, C = 24 μM  path…

Q: A standard 1 mL cuvette is three-quarters filled with a 1 in 6 dilution of 24 μmol.L-1…

A: In the presence of a live yeast suspension, the absorbance is measured to be 0.6, which is 0.35…

Q: A solution of a specific vitamin has a Âmax of 245 nm and a concentration of 4.15 × 10-/M. The…

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Q: Blue Blue dye stock solution Absorbance at 630 nm Calibration curve Part 1: 0.1944 M 0.00697…

A: Given,                                              Blue…

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: The following absorbance values for four solutions with known MnO4 concentrations were measured…

A: A spectrophotometer is a device that is used to measure the intensity of the light that passes…

Q: A standard 3 mL cuvette is two-thirds filled with a 1 in 5 dilution of 70 mM oxyhaemoglobin. The…

A: In the presence of a live yeast suspension, the absorbance is measured to be 0.4, which is 0.2 units…

Q: A student generates a calibration curve of absorbance versus concentration of Red Dye #40. The…

A: The given equation of the straight line is: y=36385x+3.724×10-5......(1) When a graph is plotted…

Q: 2. Calculate the minimum concentration (µg/ml) of bismuth(III) (M=208.98 g/mol) in the analyte,…

A: According to the Lambert Beer's law, the absorbance of the solution is directly proportional to the…

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 is the concentration of a solution with an absorbance at 600 nm (A600) of 0.8 that has an…

A: absorbance is commonly known as optical density, which explains that amount of light absorbed by…

Q: How do you calculate the amount of µmoles, if the absorbance is 0.019, the extinction coefficient is…

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Q: For the determination of Fe3 +, 25 mL of sample taken from sea water is diluted to 100 mL and a…

A: A question based on Beer-Lambert law, which is to be accomplished.

Q: An acidic solution of bromothymol blue has a max absorbance of 615nm. A 5.0 g/L of this solution was…

A: Solution: From the Beer- Lambert's law, we have  A = ebc. e: malar absorbivity, b : cuvette path…

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

A: Given: standard calibration curve: y = 1.585x + 0.041 y-axis: Absorbance x-axis: Concentration…

Q: Tablet powder containing 100mg of promazine hydrochloride is ground to a paste  with 10 ml of 2 M…

A: given data are-  – Absorbance reading=0.855 is read at a wavelength wavelength of 251 nm  – a (1%, 1…

Q: Tablet powder containing 80 mg of promazine hydrochloride is ground to a paste with 10 ml of 2 M…

A: given data are- – Absorbance reading=0.755 is read at a wavelength wavelength of 251 nm  – A (1%, 1…

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

A: Step 1: Relate absorbance to concentration using the calibration curve equationThe calibration curve…

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: A solution containing a mixture of the compounds X and Y had an absorbance of 0.584 at 443 nm and an…

A: According to Beer Lambert's Law, A=ε.C.l where A is the absorption, ε is the molar absorptivity, C…

Q: Compund AFK has a maximum absorbance of 650 nm. Its molar absorptivity at 650 is 8400 M−1cm−1 and…

A: A = εcl  A = absorbance  ε = absorptivity coefficient (M-1cm-1)  c = concentration of solution…

Q: solution with %T = 75.9% has an absorbance equal to: A = log (1 T) T= (% T 100)

A: Relationship between absorbance and transmittance, A = - log T And Relationship between absorbance…

Q: Suppose that you are trying to measure the concentration of SO2 in air. To do that, you followed the…

A: Absorbance of standard sample, A = 0.191 Concentration of SO2, c = 15.00 ppm Determination of…

Q: Substance P has an extinction coefficient of 72.22 mM-1cm-1 at 420nm. 2 μl of Substance P was added…

A: According to Beer's law, the absorbance(A) of a solution is given by the equation A=εbc c is the…

Q: Two groups in a BIO 120 lab extracted a blue-violet pigment from mayana plant which was to be used…

A: According to Lambert Beer law, the absorbance (A) of a solution is directly proportional to…

Q: 12. Based on Beer's law (A = ɛlC, A = absorbance, ɛ = molar absorptivity, I = pathlength ane C =…

A: According to Beer's law, the absorbance of a solution is equal to the product of molar absorptivity,…

Q: A solution containing a mixture of the compounds X and Y had an absorbance of 0.814 at 443 nm and an…

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Q: e path length

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Q: concentration

A: According to the question, the linear trendline for absorbance vs concentration curve is given as: y…

Q: A student weighed out 0.150 g of protein powder and dissolved it in 100 mL of water (Solution 1).…

A: The percentage protein by mass in the original protein powder is to be calculated.

Q: 4 of 15 Abs 2.0 1.5 1.0 0.5 0.25 0.2 0.4 0.6 Concentration (M) With reference to the UV-Vis…

A:

Q: A student weighed out 0.150 g of protein powder and dissolved it in 100 mL of water (Solution 1).…

A:

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.