How do you calculate the amount of µmoles, if the absorbance is 0.019, the extinction coefficient is 0.0106(µmol/ml)-1 cm-1, path length is 1, and the total volume was 4 mL? Please show the calculations. Thank you

How do you calculate the amount of µmoles, if the absorbance is 0.019, the extinction coefficient is 0.0106(µmol/ml)-1 cm-1, path length is 1, and the total volume was 4 mL? Please show the calculations. Thank you

Organic Chemistry

8th Edition

ISBN:9781305580350

Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Chapter20: Dienes, Conjugated Systems, And Pericyclic Reactions

Section: Chapter Questions

Problem 20.26P

See similar textbooks

Related questions

Q: Calculate the percent ionization of a 0.437 M solution of hypochlorous acid. (Assume that Ka (HClO)…

Q: 12. Predict the major and minor products and propose a mechanism (including fish hooks and…

A: The question is based on organic reactions.We need to identify the product and explain its…

Q: Below is an image with some separation results. Each of them is erroneous. Match the result with the…

A: The general principle used in TLC separation is the compounds in the mobile phase move over the…

Q: B ОН A HCI HOME ОН OMe OMe MeMgBr 2 eq.. MeMgBr 1 eq. с D

A: The question is based on organic reactions.We need to identify the product and explain its…

Q: how would you solve this? this is an online non graded practice

A: The objective of this question is to find the partial pressure of neon in a mixture of helium and…

Q: For each of the following solutions, calculate the specified value. Calculate the number of grams…

A: Calculate the number of grams of 3.9% (m/m) NaCl solution contains 7.40 g of NaCl.Calculate the…

Q: duin NH₂ spontaneous reaction سمع "compound A" (CisH₂7NO)

A: Here we see that there is a Alpha beta unsaturated double bond is present, which act as…

Q: Draw the lewis structure with formal charges. If the lewis structure has resonance please show all…

A: Lewis structure is a method of representing bonding pattern in a molecule.It tells us how different…

Q: CH3ONA, CH3OH heat H Na O Br:

A: This is an example of the elimination reaction.Methanol is protic polar solvent which promotes SN1…

Q: Hess's law, to 285.8 kJ -174.1 kJ - 28.4 kJ

Q: Imagine that you are in chemistry lab and need to make 1.00 L of a solution with a pH of 2.50. You…

A: Molarity of a solution is the measure of its concentration. It is defined as the number of moles of…

Q: 2. How many grams are found in a sample of ammonia, NH3 that has 4.59 x 10²5 molecules? A) 4.71 x…

A: The question is based on mole concept. we need to calculate mass of given quantity of ammonia.

Q: What is the hydronium ion concentration in an aqueous hydrobromic acid solution that has a pOH of…

A: Since you posted multiple type question, then according to the guideline, post first solution for…

Q: want the answer in j not in kj

A: Here:

Q: How many moles of carbon dioxide are generated when one mole of the compound shown is treated with…

Q: 4. The following two compounds are protonated when treated with one mole equivalent of a strong acid…

A: Basicity is defined as the electron donation ability of a molecule. If it is able to donate…

Q: 25. Zinc oxide reacts with water to form zinc hydroxide. If 0.25 mol of zinc oxide is reacted with…

A: Moles of Zinc oxide(ZnO) = 0.25 molMoles of water = 0.25 molMoles of Zinc hydroxide (Zn(OH)2)…

Q: g the practical, we will use diluted and minimal quantity of these chemica m to you. What other ways…

A: The question is based on precautions you should take while handling any chemical in lab.It is very…

Q: Can N-Hydroxysuccinimide undergo acidic hydrolysis with acid like h2so4 to produce diester compound

A: Yes, N-Hydroxysuccinimide (NHS) can be acidic hydrolyzed with an acid such as H2SO4 to form a…

Q: A chemist adds 130.0 mL of a 7.0 × 10 mmol/L zinc oxalate (ZnC₂04) solution to a reaction flask.…

Q: Calcium Chloride solution comes as a 10% solution in a 10 ml vial. How many ml of this solution are…

A: A quantity can be represented using multiple units. By analyzing the relationship between the two…

Q: Name Mass Formula Mass moles Draw v Calculations T Read aloud Ba(OH)₂ + 2Na₂SO4 → BaSO+2NaOH 1200g…

A: The given chemical reaction is Mass of Ba(OH)2 (Barium hydroxide) = 1200 g Molar mass of Ba(OH)2 =…

Q: How many ¹H NMR signals (not peaks) would you predict for the following compound? (Consider all…

A: Given is organic compound.In 1HNMR number of signals is equal to number of chemically non-equivalent…

Q: Draw all resonance structures for the nitromethane molecule, CH3NO2. Explicitly draw all H atoms.…

A: Concept of Resonance; When all the properties of a molecule cannot be explained by a single…

Q: Starting with the following equation, BCI,(g) + LIAIH (s) → B₂H (g) + LIAICI (s) calculate the moles…

Q: List the name and position for each substituent in this organic molecule on a separate row of the…

A: Information of question

Q: how would you solve this? it is a non graded practice

A: The question is asking about the interaction between Ethanal and water when they are mixed together.…

Q: the lewis structure with formal charges. If the lewis structure has resonance please show all…

A: Here we have to calculate Lewis structure for SeO2 O4 - and its resonance structure if available.

Q: What is the pH of a 8.30x10-2 M solution of the strong acid HI? HI(aq) + H₂O(l) → I'(aq) + H3O+ (aq)…

A: The concentration of given HI solution = We have to calculate PH of the solution =?

Q: Draw the Lewis structure (with formal charges) of the indicated chemical species. If there is…

A: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a simplified…

Q: Question 3 transcript Acetic acid (shown here) is an example of an acid derivative. O True O False i…

A: Acid derivatives are produced from acid. When one part of the acid is substituted by other group, it…

Q: c) d) ОН ОН 1) t-BuO 2) CH3I 1) TsCI 2) NaH

A: Alcohol is an organic compound that has OH functional group.Due to the presence of the lone pair…

Q: 3. For the following compounds, circle the one with the lowest boiling point. Justify your reasoning…

Q: Using the following equation solve the question below: Ba (OH)2+2Na2S04=BaS04+NaOH (Check if…

Q: could someone please show me the mechanism and steps to forming a product for the reaction. THANK…

A: Alcohols are oxidized into carbonyl compounds by reacting with nitroxyl radical…

Q: Solid potassium cyanide is slowly added to 175 mL of a silver nitrate solution until the…

A: The question is based on the concept of solubility product principle.It states that when a weak…

Q: An unknown compound contains only C, H, O. Complete combustion of 5.50 g of this compound produced…

Q: Consider the following multistep synthesis. 01. What is the identity of 3? O KO'Bu O CH₂OH O…

A: The question is based on organic reactions.We need to identify the product and explain its…

Q: 2. Draw the curved arrow mechanism for the formation of both products. Hint: notice the carbon…

A: Given is organic reaction. In which reactant is alcohol and product is alkyl bromide.

Q: Write the common (not systematic) name of each organic molecule. Hint: your answer should have more…

Q: 4. Rhodium has a density of 12.41 g/cm³ and crystallizes with the face-centered cubic unit cell.…

A: Rhodium has a density of 12.41 g/cm3 and crystallizes with the face-centered cubic unit cell.…

Q: Ph сно окрапон, NaOH, IIzo, beat 2) H₂0, H307 > г. W

A: All the given reactions are called organic synthesis..All of them are different types of reactions,…

Q: 2. What term best describes how the following structures/molecules are related to each other?…

A: Information of question

Q: Write all the sets of quantum numbers possible for electrons in the n=3 energy level .

A: Quantum numbers are used to represent the position of an electron in an atom. Every electron has a…

Q: Consider the three reactions below. Indicate the product of each reaction from the answer choice…

A: Given are organic reactions.All reactions are different types of bromination reactions.Let's see…

Q: The formal charge is the "charge" an element would have in a molecule or ion if all of the bonding…

Q: Write electron-dot structures for molecules with the following connections, showing lone pairs and…

A: Given are organic compounds.Carbon has valency 4.Oxygen has valency 2 and contains 2 lone…

Q: What is the major organic product obtained from the following reaction? 5* H b #1

A: Carbonyl compounds have electrophilic character So it can give nucleophilic addition reaction to…

Q: Consider the coordination complex [Cr(OH2) 3C13] Br3 Identify the ligands by name (include the word…

A: Coordination compounds are compounds in which the metal is surrounded by the ligands via the…

Q: Ph ОН H2SO4 120 °C

A: An arrow always depicts from a region of high electron density to low electron density ; that is…

Question

Expert Solution

This question has been solved!

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

SEE SOLUTION Check out a sample Q&A here

Step 1: Interpretation of given data

VIEW

Step 2: Calculation

VIEW

Solution

VIEW

Step by step

Solved in 3 steps with 2 images

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

Suppose that you follow the procedure and find the absorbance of the final solution to be 0.475. What is the concentration of Fe (mg/L) in the final solution?
Calculate the molarity of a solution with an absorbance of 0.450 and a molar extinction coefficient of 5.10 M-1⋅cm-1 and a path length of 1.00 cm.
A sample in a 1cm cuvette gives an absorbance reading of 0.6. If the absorptivity for this sample is 15000 L/mol*cm, what is the molar concentration of the sample?
Find the concentration of benzene in hexane if the absorbance is 0.188 in a 1.000-cm cell.
Riboflavin, also known as vitamin B2, has a molar absorptivity coefficient of 3 x 10 ^3 . If the absorbance reading at a Lmax = 350 nm is 0.90 using a 1 cm cell, what is the concentration of riboflavin in the sample. a. 3.0 x 10^-4 b. 8.57 c. 1.80 x 10^3 d. 9.45 x 10-5
What does the absorbance at 260 nm tells you? How about the 260/280 ratio?
What is the percent transmittance (%) if the absorbance (A) is 0.774? Show your solution
A 2.0 gram of a certain substance with a molecular weight of 100 g/mol is dissolved in a 500 ml solution. The length of the cuvette is 2.0 cm and absorbance of 0.301. What is the extinction coefficient in cm-1 M-1?
A specific steroid has a λmax of 249 nm and a molar absorptivity ε of 11,500 L mol−1 cm–1. What is the concentration of the compound in a solution whose absorbance at 249 nm is A = 0.050 with a sample pathlength of 1.00 cm?
A student prepared several solutions of an unknown molecule, each at a different concentration. The absorbance of each solution was measured at 630 nm with a path length of 0.760 cm. The student then plotted the absorbance of each sample vs. its concentration (in uM), and found a best-fit line of y = 0.00626x + 0.00732. Calculate the molar absorptivity of the unknown molecule (in M-1 cm-1).
Briefly explain why it is NOT accurate to calculate the concentration of a sample whose absorbance is 0.185 using the equation y=0.0022x+0.0005 r^2=0.999
Compund AFK has a maximum absorbance of 650 nm. Its molar absorptivity at 650 is 8400 M−1cm−1 and the path length is 1 cm. Using a spectrophotometer, determine the concentration of Compound AFK it is absorbance at 650 nm is 0.700 ? 8.33x10-5 mol/L 1.20 x104 mol/L 1.08 x10-3 mol/L 7.74 x10-2 mol/L