particular food coloring product has a molar absorptivity of 3.8 × 103 cm−1M−1 at λ max 510 nm. Calculate the absorbance and percentage of transmittance for a solution with a concentration of 2 × 10−4 M measured with a 1-cm cuvette at 510 nm.

particular food coloring product has a molar absorptivity of 3.8 × 103 cm−1M−1 at λ max 510 nm. Calculate the absorbance and percentage of transmittance for a solution with a concentration of 2 × 10−4 M measured with a 1-cm cuvette at 510 nm.

Macroscale and Microscale Organic Experiments

7th Edition

ISBN:9781305577190

Author:Kenneth L. Williamson, Katherine M. Masters

Publisher:Kenneth L. Williamson, Katherine M. Masters

Chapter14: Ultraviolet Spectroscopy, Refractive Indices, And Qualitative Instrumental Organic Analysis

Section: Chapter Questions

Problem 4Q

See similar textbooks

Related questions

Q: Assuming that the sample optical path length is 1 cm, find the molar absorptivity at wavelength 1…

A: We know that Absorbance (A)=€Cl ,where €=molar absorptivity C=concentration l=length of the cell…

Q: A 7.25 x 10 ^-5 M solution of potassium permanganate has a transmittance of 44.1% when measured in a…

Q: or b. d. 2 dfs+df₂s Sp V(df₁ + df₂) S₂ 1 N Im Sxo ysm . + ( US= ) 2 ms,

Q: In the process of performing a spectrophotometric determination of Fe, an analyst prepares a…

A: The calibration curve was made by the expert with a certaain cuvette and after it was broken, he…

Q: 6. A solution containing 5.75 mg/100 mL of X (335 g/mol) has a transmittance of 41.6% in a 2.0 cm…

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 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 Cx has a % transmittance of 50.0 %. If Beer's Law is obeyed, what would be the…

Q: Zinc was analysed in acid mine drainage (AMD). The signal obtained from an AAS for the sample was…

Q: Calculate the absorbance of an organic dye [C =7×10-4 mol L−1] ,knowing that the molar absorptivity…

A: Given: The molar concentration of the solution = 7×10-4 mol L−1 The molar absorptivity, ∈= 650 mol…

Q: A solution containing 5.75 mg/100 mL of X (335 g/mol) has a transmittance of 41.6% in a 2.0 cm cell…

A: Given, A solution containing 5.75 mg/100 mL of X (335 g/mol) has a transmittance of 41.6% in a 2.0…

Q: 3. In molecular absorption spectrophotometry, the relationship between transmittance and…

A: absorption spectrophotometry It is used for analyzing the Concentration of various sample by based…

Q: The percent transmittance of a solution containing 2.46 x 105 M NazX was 22.6 at 210 nm in a 1.00-cm…

Q: The standard curve was made by spectrophotographic analysis of equilibrated iron(III) thiocyanate…

A: Given the linear regression equation for the analysis of the standard solution is Y =…

Q: The transmittance of a solution in 1-cm cuvette is 60.0%. Calculate the transmittance of the same…

Q: A solution containing 6.94 x 108 M CrQ3 (Q = 8-hydroxyquinolate ion) has a percent transmittance of…

A: The given problem can be solved by using the formula given below as; A=εCl =-log T…

Q: A solution prepared by dissolving 25.8 mg of benzene (78.11 g/mol) in hexane (86.16 g/mol) and…

A: Here we have to just calculate the concentration. We don't require the absorption value. The…

Q: β-carotene has a molar absorptivity of 100,000 dm^3 mol^-1 cm^-1 a certain wavelength. Calculate the…

A: Please find the below attachments.

Q: The molar absorptivity constant of a particular chemical is 3.9 dm3 mol–1 cm–1 . What is the…

Q: The Beer's Law plot of the standard curve for the equilibrium experiment was determined by plotting…

A: Beer's law is used for measuring the concentrations of the solutions using the absorbance data. It…

Q: What absorbance value corresponds to 40.0% T? A = 0.398 A 0.0109 M solution of a certain analyte…

A: a). We know that: Absorbance, A=2-logT%................1

Q: Convert the following transmittance or % transmittance to absorbance. a. 0.305 b.…

A: The transmittance of a solution can be described as the ratio of the intensity of the light…

Q: A student uses visible spectrophotometry to determine the concentration of CoCl2(aq)CoCl2(aq) in a…

A: This question asks one to find the concentration of a solution where CoCl2(aq) as the solute and…

Q: A 7.25 x 10-5 M solution of potassium permanganate has a transmittance of 44.1% when measured in a…

A: Beer-Lambert law: Beer-Lambert's law stated that the loss of light intensity when it propagates in a…

Q: A solution containing 6.94x10^-8 M CrQ3 (Q=8 hydroxyquinolate ion) has a percent transmittance of…

A: The amount of light absorbed by a solution is named as absorbance (A) of the solution. The amount of…

Q: percent transmittance range and what absorbance range

A: To find: percent transmittance range and absorbance range considered to be the optimum working…

Q: The transmittance of a solution in 1-cm cuvette is 50.0%. Calculate the transmittance of the same…

Q: A student prepared four standard solutions of (NH4)2Fe(SO4)2 and measured their absorbance at 505…

A: According to Beer's law absorbance is directly proportional to the concentration Absorbance Vs…

Q: The absorption coefficient of bovine immunoglobin (molecular mass= 150,000 Daltons) at 280nm is…

A: Given:Molecular mass= 150,000 Daltons The absorption coefficient = 210,000Wavelength = 280nmThe…

Q: Absorbance at 453 nm 8393939 7 fl. oz./20 ml Beer-Lambert's Law (Spectrophotometry) #1 Fe (aq) +…

A: Solution: Use the Beer Lambert Law and find the slope of the graph;

Q: A 2.50*10–4M solution of a dye has an absorbance of 0.860 when measured in a 1.00 cm cell at 625 nm.…

A: The relationship between transmittance T and Absorbance A is A = - log(T) => T = 10-A…

Q: Convert the following absorbance to transmittance. a. 0.283 b. 0.625

A: Absorbance and transmittance are related by an equation and thus using Absorbance, transmittance can…

Q: 5. A 2.50x10-5 M solution of a specific dye has an absorbance value of 1.300 when measured at 525 nm…

Q: A 0.00340 M solution of a substance was analysed using spectrophotometer with a molar absorptivity…

Q: Calculate the specific absorbance ratio (SAR), where A620 = 0.304 and A280 = 1.219. Enter your…

A: The answer to the following answer is-

Q: A 20 ppm solution of a DNA molecule (unknown molecular weight) isolated from Escherichia coli was…

A: The question is based on Beer's law equation. The formula for the Beer's law is as follows:

Q: A 0.00340 M solution of a substance was analysed using spectrophotometer with a molar absorptivity…

A: Concentration of solution is 0.00340 M Molar absorptivity is 412 cm-1 mol-1 L pathlength is 3.00 cm…

Q: The mass, IR, and 1H-NMR spectra of a compound are shown below. Suggest a possible structure for the…

A: Elucidation of structure of organic molecule from spectral data.

Q: A particular food coloring product has a molar absorptivity of 3.8 × 103 cm−1M−1 at λ max 510 nm.…

Q: An aqueous solution whose concentration is 0.00356 M was analyzed using spectrophotometer with a…

A: Given a solution of Concentration = 0.00356 M or 0.00356 mol L-1 Molar absorptivity(ϵ) = 412 cm-1…

Q: Calculate the absorbance of a 5.2 x 10-4 M solution of the drug tolbutamine measured at 262 nm in a…

A: Solution : The quantity of light absorbed by the solution is measured by absorbance. It has no…

Q: The absorbance for a dye sample of unknown concentration is measured and the corrected absorbance is…

A: Given : y = 0.153 x + 0.043

Q: 100 ml of a solution contains 0.050 g of a coloured compound that absorbs exactly half the incident…

Q: A solution containing 3.75mg/100 ml of analyte (X) 220 g/mol has a transmittance of 39.6% in a 1.00…

A: It is an application of Lambert Beer law Here we are required to find the molar absorptivity and…

Q: 10.Which of the following statements regarding double beam spectrophotometers is NOT true? Why?…

A: The double beam spectrophotometer compares the light intensity of two light paths in which one path…

Q: 1. A solution of a dye absorbs light of wavelength 480 nm, and for this absorption, the extinction…

A: The answer to the following question is: The Beer-Lambert law states that there is relationship…

Q: A Dubosq colorimeter consists of a cell of fixed path length and a cell of variable path length. By…

Q: A solution prepared by dissolving 25.8 mg of benzene (78.11 g/mol) in hexane (86.16 g/mol) and…

A: Given that A solution prepared by dissolving 25.8 mg of benzene (78.11 g/mol) in hexane (86.16…

Q: Express the following absorbances in terms of percent transmittances. (a) 0.0356 (b) 0.379 (c) 0.485

A: Given absorbances, (a) 0.0356(b) 0.379(c) 0.485

Q: A solution prepared by dissolving 25.8 mg of benzene (78.11 g/mol) in hexane (86.16 g/mol) and…

Question

A particular food coloring product has a molar absorptivity of 3.8 × 103 cm−1M−1 at λ max 510 nm. Calculate the absorbance and percentage of transmittance for a solution with a concentration of 2 × 10−4 M measured with a 1-cm cuvette at 510 nm.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

A particular food coloring product has a molar absorptivity of 3.8 × 103 cm−1M−1 at λ max 510 nm. Calculate the absorbance and percentage of transmittance for a solution with a concentration of 2 × 10−4 M measured with a 1 cm cuvette at 510 nm.
A solution containing 3.75mg/100 ml of analyte (X) 220 g/mol has a transmittance of 39.6% in a 1.00 cm cell at 480 nm. Calculate a) The molar absorbtivity of X. b) The fraction of light transmitted from a solution three times the mentioned concentration.
A student uses visible spectrophotometry to determine the concentration of CoCl2(aq)CoCl2(aq) in a sample solution. First the student prepares a set of CoCl2(aq)CoCl2(aq) solutions of known concentration. Then the student uses a spectrophotometer to determine the absorbance of each of the standard solutions at a wavelength of 510nm510nm and constructs a standard curve. Finally, the student determines the absorbance of the sample of unknown concentration. The original solution used to make the solutions for the standard curve was prepared by dissolving 2.60g2.60g of CoCl2CoCl2 (molar mass 130.g/mol130.g/mol) in enough water to make 100.mL100.mL of solution. What is the molar concentration of the solution? a.) 0.200M b.) 0.500M c.) 1.00M d.) 5.00M
Express the following absorbances in terms of percent transmittances.(a) 0.0356(b) 0.379(c) 0.485
What value of absorbance corresponds to 45.0% T? If a 0.010 M solution exhibits 45.0% T at some wavelength what will be the percent transmittance for a 0.020 M solution of the same substance?
. A 2.50*10–4M solution of a dye has an absorbance of 0.860 when measured in a 1.00 cm cell at 625 nm. Calculate the %Transmittance of the solution. Will the %Transmittance increase or decrease if the concentration of the dye is increased.
Examine the given Beer's law standard curve for an unknown dye measured in a 1.0 cm cuvette. Plot of absorbance at 542 nm versus concentration. There is a best-fit line on the plot and the equation is given as y=15200x-0.018 What is the molar absorptivity (in M–1cm–1) of the unknown dye at 542 nm?
What is the absorbance of a solution if it had 79.5% transmittance?
Calculate the absorbance of an organic dye [C =7×10-4 mol L−1] ,knowing that the molar absorptivity ∈= 650 mol L−1 cm−1 and that the length of the optical path of the cell used is 2×10−2 m. What would happen to the absorbance if the cell used was of double its present thickness?