You want to determine the molar mass of the polymer shown below by end group analysis using acid-base titration. 15 grams of this polymer dissolved in water consumed 6 mL of 0.1 M NaOH. What is the number average degree of polymerization (disregarding end groups)? но OH 1136 462 398 236 568

You want to determine the molar mass of the polymer shown below by end group analysis using acid-base titration. 15 grams of this polymer dissolved in water consumed 6 mL of 0.1 M NaOH. What is the number average degree of polymerization (disregarding end groups)? но OH 1136 462 398 236 568

Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter21: Organic Chemistry

Section: Chapter Questions

Problem 83E

See similar textbooks

Related questions

Q: Benzoic Acid OH 110- 105- 100 95 90 2820.6 2557.4 85- 1421.16cm1 84.94%T 80 1323.63em-1, B0 3am-1,…

Q: Calculate the pH of a solution containing 0.05mol/dm3 benzoic acid, C6H5COOH and 0.05mol/dm3 of…

Q: Match the descriptions to one of the unknown compound from the list MP: 101-106 oC Light brown…

A: Using the descriptions provided, the unknown compound has been predicted below.

Q: Calculate the pH and the percentage of ionization of 30 grams of sodium glycolate (C2H3O3Na) in 20…

A: Sodium glycolate(C2H3O3Na) is a conjugate base of glycolic acid(HC2H3O3). The Ka of glycolic…

Q: Finding Molecular Weights from Experimental Data a. Endgroup analysis by titration: 9.8 mols of…

Q: Calculate the saponification value of a sample of castor oil from the following data: Weight of oil…

A: Saponification value or saponification number (SV or SN) represents the number of milligrams of…

Q: Describe various methods for synthesis of cobalt(II) sulphate (CoSO4.7H2O) in detail

A: 1) Cobalt sulphate is prepared from reaction of cobalt metal with sulfuric acid. 2) Cobalt sulphate…

Q: Benzoic Acid IR 103 100 95 90 2834.7 b .%T 85 em-1, 84.10%T 80- 1453.30cm-1, 81.46%T 1421.76cm-1…

A: Analysis of FTIR spectrum of benzoic acid.

Q: The synthesis of tetraphenyl porphorin begins with an electrophilic substitution reaction. Write an…

A: The reaction scheme is generally framed by considering the factors like atom availability and…

Q: Calculate the % yield for the reduction of Benzil using sodium borohydride (NaBH4) Show the balanced…

A: Benzil molar mass - 210 g/mol Sodium borohydride molar mass - 38 g/mol Hydrobenzoin molar mass - 214…

Q: Benzene-Kerosene solution has concentration of 95 vol% kerosene. What is the benzene-kerosene mass…

A: 95 volume % kerosene Specific gravity of benzene = 0.876 Specific gravity of kerosene = 0.81 Mass…

Q: Using the following choices, determine which will result in a brightly and dimly lit light bulb…

Q: Determine the fixed carbon content * 98% 86-92% 92-98% Anthracite Meta- anthracite Semi- anthracite…

A: Anthracite :- 92- 98% Meta-anthracite:-greater than 98 % Semi-anthracite :- 86-92% Lignite lass than…

Q: si-oH tH, = si-0-SH+H20 know. thart, silican gel absorb ethanol,so We will happenT How the reaction

A: The molecule silicon dioxide is commonly called silica gel. It has various pores in its lattice…

Q: Liquid-liquid extraction is particularly effective for separating organic compounds that have…

A: The process in which a solvent A is pulled from another solvent B which are partially miscible or…

Q: Which of the following polymers would exhibit the highest Tg? A. В. NH С. D. tCH-CH

A: Tg is a glass transition temperature. It measures the properties of amorphous solids. Following…

Q: A student tested an unknown sample of alcohol with a mild oxidizing agent. 2 mL of the sample was…

A: Given:

Q: Lab analysis indicates that a water sample contains 0.3 mM Ca2+, 10-3.5 atm pCO2, and [H+] = 10-7 M.…

A: The extent of a substance dissolved in a provided volume of a solvent is expressed as dissolution.…

Q: A sample of corn oil weighing 1.600 g saponified with 12.5 mL of 0.5 N KOH required 9.0 mL of 0.5 N…

A: Saponification value is defined as the number of milligrams of KOH required to completely hydrolyze…

Q: What can you conclude regarding the difference in degree of acidity and alkalinity between organic…

A: Acidity and basicity of organic and inorganic compounds vary on the basis of the type of bonding in…

Q: Which statement about the reaction of benzene with Cl₂ in the presence of AICI3 is incorrect?

Q: In the chart below, rank the 3 chemicals (1→3) according to the various + headings, where NP =…

Q: How can a pure sample of ethanol be obtained from an azeotropic mixture of ethanol and water? 37.…

A: Azeotropic mixture can be separated by that distillation technique in which the use of a third…

Q: Calculate the percent dissociation of trimethylacetic acid (C4H,CO₂H) in in a 0.26 mM aqueous…

Q: True or false 1.At melting point the equilibria exist between liquid and solid phase. 2.The mixture…

A: The freezing point of liquid is equal to melting point of solid. Strong acids are ionized…

Q: 17- If 125 grams of solid sucrose (C12H22011) with 93% purity by mass is dissolved in 250.0 mL of…

A: Purity of sucrose = 93% Weight of sucrose = (93/100) x 125 = 116.25 gram Molar mass of sucrose =…

Q: 1. Many dyes and pigments are organic molecules which vary in their relative polarities. Look up and…

A: Answer 1: Introduction: Dyes are usually organic molecules which gives specific colors. They are…

Q: Show your work! 8. In an NMR study of a sample of polystyrene, it was determined that (mm) = 0.40…

A: polystyrene is a widely using commercial polymer. Tacticity of a polymer is the order of…

Q: Q1. (a) In each of the following cases (I. to III.) identify which polymer in each pair has the…

A: a) pair 1- polymer 2 has higher Tg. Reason- because the presence of aromatic, cyclic structure in…

Q: A. Consider the structures below. Write the letter that corresponds with the compound described by…

Q: A mixture contains Na2CO3, NaOH and inert matter. A sample weighing 28.85 ml of 0.5000N HCl to reach…

A: In acid base titration, equivalence point is obtained when indicator changes the color of the…

Q: need chemoselectivity. Under this 1. The relative reactivity of two different functional groups,…

Q: One of the side chains in this molecule would be charged at a pH of 7.3. Locate the side chain, and…

A: A group gets positively charged when its pKa is greater than the given pH A group gets negatively…

Q: What is the structure of the compound which gives rise to this data? Explain your reasoning. 3. C7…

A: Given molecular formula is C7H7NO3

Q: 1. A polymer consists of lkg of polyester with number-average molecular weight 10000g mol-1 is mixed…

Q: Under the conditions of this extractive procedure, how does aspirin become partitioned into the…

A: The reactivity of carboxylic group in the aspirin determines the total extraction. The acidic…

Q: Calculate the final molarity of H2O2H2O2 if 1.3 mL1.3 mL of the 3.0% w/w H2O23.0% w/w H2O2 solution…

A: Final Molarity of H2O2 =? Initial Volume = V1 = 1.3 mL Final Volume = V2 = 1.3 mL H2O2 + 3.7 mL H2O…

Q: 1. Write an equation for the oxidation of glucose by CuO if the compound is oxidized completely to…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Unknown #: 4 s,9H d, 3H 9, 1H s,1H 11 10 8 ppm 180 160 120 100 80 20 200 140 60 40 ppm nasicITIKEIU

Q: Water from a lake in an area with limestone bedrock has a chemical composition as on p. 310. If the…

A: Given information:

Q: Please show all the calculations. I have these information available: 32.00 mL of 1 butanol and…

Q: Chemistry Based on the structure shown, what kind of interactions do you expect between HM and the…

A: Cu2+ - chelation metal bind with two donar site. Hydronium ion - Protonation Glycerol and glucose…

Q: Show your work! 8. In an NMR study of a sample of polystyrene, it was determined that (mm) = 0.40…

A: When a molecular backbone contains all the substituents on same side then the molecule is called…

Q: Procaine hydrochloride (MW = 273; L iso value = 3.37). Calculate its NaCl Equivalent 0.24 0.19…

Q: final volume of 500mL, what is the percent (w/v) concentration of NaCl in the solution? 3) How will…

Q: 30.-682)A) In the 0.100 mol/dm' NaCN solution 1.18% of cyanide ions hydrolyzes. Calculate the acid…

Q: The ethyl mercaptan concentration in a mixture was determined by shaking a 2.043-g sample with 50.00…

Question

100%

You want to determine the molar mass of the polymer shown below by end
group analysis using acid-base titration. 15 grams of this polymer dissolved in
water consumed 6 mL of 0.1 M NaOH. What is the number average degree of
polymerization (disregarding end groups)?
но
OH
1136
462
398
236
568

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

Trending now

This is a popular solution!

Step by step

Solved in 2 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

(d) Another variation on this type of polymer is used in hair gels. In these, the polymer chains are cross-linked by a compound known as pentaerythritol. но- OH но- OH pentaerythritol ( By what type of chemicat reaction are the cross-links in this polymer formed? (i) it is important that the gel should be easily washed out of hair What is it about the structure of the polymer that allows this to happen?
How would you describe the homogeneity of a polylactic acid polymer chain based on melting point? The theoretical melting point was 150-160 degrees celsius for polylactic acid and the in lab observation yielded 153-154 degrees celsius for the melting point? Is homogeneity confirming purity? Is homogeneity confirming uniform lengths of the polymer chain? Is homogeneity confirming pure monomer units within the polylactic acid polymer chains? I am uncertain as to how to be specific that my melting point range indeed confirms homogeneity?
a) If the pH value of an aqueous solution of trimethylamine [(CH3) 3N] is 10.75, what should be the molarity of this solution? (CH3) 3N + H2O ↔ (CH3) 3NH + + OH-, Kb = 6.3 × 10-5 b) What will be the pH of the solution prepared by dissolving 8.35 g of aniline hydrochloride (C6H5NH3 + Cl-) in 750 mL of 0.215 M aniline (C6H5NH2)? Is this solution an effective buffer? Explain (Kb = 7.4 × 10-10 for aniline, C: 12.0 g / mol, H: 1.0 g / mol, N: 14.0 g / mol, Cl: 35.4 g / mol) .
1) Write a representative section of ideal network polymers formed from 3 moles of terephthalic acid and 2 moles of glycerol. terephathalic acid: HOOC glycerol: CH₂-CH-CH₂ OH OH OH -COOH
Match the type of functional groups present in a polymer chain with the pH at which they are most likely soluble in. please chose which specific pH according to drop down Concept: [AMINE/CARBOXYL] groups increase solubility at [LOW/HIGH] pH. Group of answer choices -NH2 [ Choose ] any pH pH 3 pH 7 pH 9 -COOH [ Choose ] any pH pH 3 pH 7 pH 9 -NH2 and -COOH [ Choose ] any pH pH 3 pH 7 pH 9
Write the name of monomers used for getting the following polymers :(i) Bakelite(ii) Neoprene
a) If the pH value of an aqueous solution of trimethylamine [(CH3)3N] is 10.75, what should be the molarity of this solution? (CH3)3N + H2O ↔ (CH3)3NH+ + OH-, Kb = 6,3 × 10-5 b) What will be the pH of the solution prepared by dissolving 8.35 g of aniline hydrochloride (C6H5NH3+Cl-) in 750 mL of 0.215 M aniline (C6H5NH2)? Is this solution an effective buffer? Explain (Kb = 7,4 × 10-10 for aniline, C: 12.0 g / mol, H: 1.0 g / mol, N: 14.0 g / mol, Cl: 35.4 g / mol) .
Use the References to access important values if needed for this question. Which of the statements below apply to the following reaction: но -ОН + но Y— Он но- -X- О —ү— он + Н,0 Choose all that apply. O a step in the formation of an addition polymer O a condensation reaction O a step in the formation of a polyester O the reaction between a carboxylic acid and an amine to form an amide O the formation of an ether linkage Submit Answer Try Another Version 2 item attempts remaining
1- Please find the typical molecular weight of the below common polymers. Compare them based on the degree of polymerization PET PC HDPE Polyamide Polyurethane Polystyrene 2- Write down three properties of polymers that are influenced by the size (i.e., the degree of polymerization and molecular weight), and describe briefly how the property changes with size.
Write the structures of the monomers used for getting the following polymers:(a) Teflon(b) Melamine-formaldehyde polymer(c) Neoprene
Another source of phosphorus in water is known as organic phosphorus which commonly finds its way into natural bodies of water from human and animal waste and food residues. If you wish to measure the phosphorus content due to organic matter in the water sample using the vanadomolybdophosphoric acid method, you must first "digest" the sample to convert the organic phosphorus to orthophosphate. O True O False
Write the structures of the monomers used for getting the following polymers:(i) Nylon-6(ii) Melamine-formaldehyde polymer(iii) Teflon