2. Compound A has a molar absorptivity of 1.025 x 103 L cm-1 mol-1 at 280nm and a molar absorptivity of 3.078 x 10° L cm1 mol1 at 360nm. Compound B has a molar absorptivity of 4.312 x 103 L cm1 mol1 at 280nm and a molar absorptivity of 5.728 x 103 L cm1 mol 1 at 360nm. If a 10.00 mm-length cell is used to hold a mixed sample of A and B, and absorbance values of 6.404 x 10-² and 6.518 x 10-2 measured at 280 nm and 360 nm, respectively, what are the molarity values of the compound A and B in the mixed solution?

2. Compound A has a molar absorptivity of 1.025 x 103 L cm-1 mol-1 at 280nm and a molar absorptivity of 3.078 x 10° L cm1 mol1 at 360nm. Compound B has a molar absorptivity of 4.312 x 103 L cm1 mol1 at 280nm and a molar absorptivity of 5.728 x 103 L cm1 mol 1 at 360nm. If a 10.00 mm-length cell is used to hold a mixed sample of A and B, and absorbance values of 6.404 x 10-² and 6.518 x 10-2 measured at 280 nm and 360 nm, respectively, what are the molarity values of the compound A and B in the mixed solution?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: Select the product this Diels-Alder reaction?

A: Organic reactions are those in which organic reactant react to form organic products.

Q: In a simple distillation lab of a 1-propanol-water azeotrophic mixture (50% v/v) (with composition…

A: Distillation is a process of separating components of a mixture based on their boiling points. A…

Q: extraction and crystallization techniques to separate a solid mixture of organic compounds

A: Lab procedure – The laboratory procedure involves isolating, purifying, and identifying Group 1 and…

Q: (12) Calculate the pK, of dichloroacetate. Formulate the base association equilibrium for…

A: For the aqueous solution, we know that the product of the acid dissociation constant and the base…

Q: A mixture of p-nitrophenol and o-nitrophenol can be separated by steam distillation. The…

A: There are many functional groups in the organic chemistry such as alcohols, aldehydes, ketones,…

Q: Propose structures for Sudan blue under acidic, neutral, and basic conditions

A: Given: Structures for Sudan blue under acidic, neutral, and basic conditions.

Q: What type of question is this and what is it expecting me to do?

A: The aqueous system could be used to extract compound from diethyl ether into aqueous layer at room…

Q: A mixture will be fractionally distilled of cyclohexane and toluene. Samples will be analyzed using…

Q: If Maleimide (190 mg, 1.96 mmol) and 2, 3 - dimethyl-1,3 - butadiene (0.450 mL, 3.98 mmol ) are…

A: To calculate the theoretical yield of the Diels-Alder product based on the limiting reagent, we…

Q: Using the provided 1H NMR spectra of N-(4-Ethoxy-2-nitrophenyl)acetamide, please label the protons,…

A: The NMR data of the given compound is as follows.

Q: Propose structures for Sudan red, Sudan orange, and Congo red under acidic, neutral, and basic…

A: The dye is a chemical substance that is applied to the material to provide a characteristic color by…

Q: The pk, of p-nitrophenol is 7.15. Would you expect this to dissolve in a sodium 2,5-dinitrophenol is…

Q: An IR spectrum shows a medium absorption band at 2962 cm1 and a strong absorption band at 1764 cm1.…

A: IR spectroscopy is used to identify the presence of the different functional groups in compounds.…

Q: Describe the difference between protic and aprotic solvents. Provide an example of each to support…

Q: You are studying a reaction wherein compound X is dehydrogenated to yield compound Y, and in the…

A: The given reaction is an uncatalysed dehydrogenation of X to give the product Y. ΔG∘=1.2…

Q: A student dissolved a mixture of benzoic acid (C6H5CO₂H), phenol (C6H5OH) and 1,4 dimethoxybenzene…

Q: SH internal Ellman's Reagent CO₂H disulfide crosslink O₂N- HO₂C solvent- exposed thiol UV Absorbance…

A: Thiols are acidic in nature. Like alcohols they can donate protons.The given Ellman's reagent…

Q: Write the reactions of Aromatic Primary - aliphatic secondary and tertiary amines with 2 N HCl and…

A: All the 3 amines namely, aromatic Primary amine, aliphatic secondary and tertiary amines react with…

Q: What is the effect of mobile phase on the selectivity factor (☐ ) for benzonitrile and p-…

A: The objective of the question is to understand the effect of the mobile phase on the selectivity…

Q: FIG. 22.9 The ¹3C NMR spectrum of adipic acid (22.6 MHz). 200 180 ਅੰਗਰ HO CH.CH.CH.CH 160 140 120…

A: The number of peaks in a 13C-NMR spectrum of a compound is purely decided by the chemical…

Q: (b) An aqueous solution of propanone (acetone, 1) of total volume 0.120 mL was analysed by…

A: b-i) the mass of propanone (1) contained in the original aqueous solution is approximately 1.05 mg.…

Q: Propose a structural formula for compound A, C,HO, consistent with its 'H-NMR and IR spectra.…

Q: The NMR spectra for compound 1 were acquired in a 7.5 mg / 0.6 mL solution of CDCl3 The 1H and 13C…

A: Every nuclei will have spin and if an external magnetic field is applied, there will be an energy…

Q: Propose the structure of the compound with the following data: C₂H₁1Br 8=2.15 ppm (quint, 2 H)…

A: NMR spectroscopy is a very important tool for the determination of the structure of the organic…

Q: Horner-Wadsworth-Emmons reaction 2.2g of potassium carbonate 2.3mL of trimethyl phosphonoacetate…

Q: Which layer (aqueous or organic) will nootkatone partition into during extraction? 3M HCL or…

A: Nootkatone is a sesquiterpenoid containing a ketone group.

Q: Nitroethylene, HyC = CHNO, is a sensitive compound that must be prepared with great care. Attempted…

A: The low recovery of product & a white coating on the inner walls of the distillation apparatus…

Q: A solution of the following three compounds in ether is extracted first with aqueous HCl, secondly…

A: Given: The following compounds are extracted first using aqueous HCl followed by aqueous NaHCO3.

Question

2. Compound A has a molar absorptivity of 1.025 x 103 L cm-1 mol1 at 280nm and a molar
absorptivity of 3.078 x 103 L cm1 mol1 at 360nm. Compound B has a molar absorptivity
of 4.312 x 103 L cm-1 mol-1 at 280nm and a molar absorptivity of 5.728 x 103 L cm-1 mol"
1
at 360nm. If a 10.00 mm-length cell is used to hold a mixed sample of A and B, and
absorbance values of 6.404 x 102 and 6.518 x 102 measured at 280 nm and 360 nm,
respectively, what are the molarity values of the compound A and B in the mixed
solution?

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

Step 2

Step 3

Step 4

Step 5

Trending now

This is a popular solution!

Step by step

Solved in 5 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Sample Preparation in Analytical Chemistry

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

Conjugate base acid Cyclopentadiene pKa 1) Consider the reaction AH(+) + H₂O →> A:+H3O+. For the following named acids: 1) draw the structure of the acid, 2) give the approximate pKa of the conjugate acid (±1 pKa unit), 3) give the name of the conjugate base, and 4) draw the structure of the conjugate base. For the purposes of answering this question you may use pKa values evenly divisible by 5. p-Methoxyanilinium cation pKa Benzenesulfonic acid Butanal pKa pKa
Propose an extraction flowchart capable of separating this compound into its pure form
Find the A and T% of a 6.5X104 mol L1 solution of a drug (Molecular weight 200) whose absorptivity is 0.026 L cm1 g'at 520 nm when measured in a cell of 2.00 cm pathlength?
I am having trouble finding the delta S rxn of ammonium chloride. I am using stand thermodynamic values found online, but I can't find the value for NH4OH. I am using 94.6 for NH4CL and 69.94 for H2O. From this, I am supposed to find delta G using 411.43 as my q sys, 3.55 as my delta T, and 8.229 as my delta H.