4. Calculate the pH of a 0.100 M solution of alanine prepared from the form shown below. pKa(-COOH) = 2.344 and pKa (-NH;") = 9.868.H*H;N-CCO-CH3pH = 6.1065. Referring to Question 4, calculate the concentration of the fully protonated form of alanine inthe solution described in Question 4.[H2A*] = 1.72*10-$ M

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

Answered: Calculate the pH of a 0.100 M solution…

Calculate the pH of a 0.100 M solution of alanine prepared from the form shown below. pKa (-COOH) = 2.344 and pKa (-NH3")=9.868. H +H;N- С—с—о- CH3 pH = 6.106

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: DURING NITRITOMETRIC TITRATION, THE ADDITION OF CHLORIDE ACID (HCI) TO THE REACTION MIXTURE…

A: Nitritometry is the method based on the reaction which occurs in the acidic medium as follows:…

Q: It is the study of rate and mechanisms of chemical reactions is called?

A: Chemical kinetics: The branch of chemistry which deals about the rate of reaction and factors…

Q: An AX ceramic compound has an HCP crystal structure. If the radii of the A and X ions are 0.114 and…

A: We need to find density of material.

Q: A chemist dissolved an 10.8-g sample of KOH in 100.0 grams of water in a coffee cup calorimeter.…

Q: 3. Traces of heavy metals, such as Cu* and Pb²*, in water bodies can be separated through fractional…

Q: S n the blanks with the corect structures, Also, for each product label them syn or anti when…

Q: -C三CH H. エ

A: Hydroboration- Oxidation of Alkyne...

Q: Indicate the hybridization of the specified atoms. Be sure to consider any lone pairs you added to…

A: The hybridization of organic compounds can be simply determined by counting the number of bonding…

Q: Using the axes G vs composition sketch the variation of the Gibbs energy (G) of a reaction mixture…

A: The graph of ∆G that is change in gibbs free energy versus extent of a reaction is needed to be…

Q: Which Lewis structures represent a molecule that would assume a linear geometry? X Y-X X Y–X X-

A: For linear geometry, Bonded atom = 2 Lone pair = 0

Q: 5. For linear carbohydrates drawn as Fisher projections, answer the following questions. a. How many…

A: The given question is about drawing of carbohydrates in Fischer projection and the number of stereo…

Q: The vapor pressure of Substance X is measured at several temperatures: temperature vapor pressure…

A: Given table is : Calculate the enthalpy of vaporization = ΔHvap. = ?

Q: Question 17 Consider the following compound. H. H CI Br CI (a) How many peaks will the 'H NMR…

A: Given that, a compound is

Q: what is the value of the constant Rif the volume of the container is

Q: IN CASE OF TITRATION OF WEAK ACID IN A NON-AQUEOUS MEDIUM, THE INDICATOR IS USED Choose one answer:…

A: Correct option is D

Q: Draw the mechanism for Fmoc deprotection. Hint: start with the most acidic proton on the Fmoc…

A: It is one of the efficient protection group for -NH2 functionality and can undergo deprotection in…

Q: According to the method, the formal titration of amine nitrogen is Choose one answer: O a.…

A: The formal titration of amine nitrogen is direct titration

Q: Propose starting materials for the following azo dyes

A: We have to predict the starting material for azo dyes.

Q: Depict H-bonding between the molecules in HCOOH

Q: Determine the pH of the following solutions at 25°C. (a) H30*= 2.19 × 10-10 M pH %3D (b) [H,0*] =…

Q: If the m. Wt. of BaSO4 = 233.42 g/mol %3D and m. Wt. of Na(SO4)2= 140.02 g/mol and wt of…

Q: Show a stoichiometric solution on how glucose will be converted to ethanol.

Q: The specific heat of a certain type of cooking oil is 1.75 J/(g-°C). How much heat energy is needed…

A: Specific heat capacity is amount of heat needed to increase the temperature of one gram of substance…

Q: 36 The reaction C2H5Cl →C2H4 + HCl is first order in C2H5Cl. The rate constant is 1.60 x 10-6/s.…

A: Chemical kinetics can be defined as the branch of chemistry that deals with rates of chemical…

Q: The phase diagram of ammonia, NH3, can be characterized by the following information. The normal…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Sodium-24 has a half-life of 14.8 hours. How much of a 553.8 mg553.8 mg sodium-24 sample will remain…

Q: The reaction: 2NO + C12 – 2NOCI is second order in NO, first order in C12 and third order overall.…

A: Answer: This is a question based on the understanding of stoichiometric calculation of the reaction…

Q: Draw the two chair conformations for the given molecule below. Follow and include the number…

A: Note : Write the chair conformation of cyclohexane. Check the groups are at equatorial or axial. The…

Q: For the given reaction, the rate constant,k is 2 x 10-5 at 650K and the energy of activation is Ea…

Q: 50 Calculate the ∆0H when 1 mole of methyl alcohol,CH3OH reacts with O2 and the product of…

Q: (Use this to answer Qs 24-29.) Bill Nye the Science Guy is at it again and wants to show the…

A: Given: Concentration of HF = 0.450 M Volume of HF solution = 50.0 mL Concentration of F- = 0.450 M…

Q: 28. Calculate the velocity of an enzyme- catalyzed reaction A+B P+Q at [A]= ex 10 M and [B]= 6.7x 10…

A: Solutions- Data given- [A] = 2.0 x10-3 M [B] = 6.7 x 10-3 M KA = 2.2 x 10-4 M KB = 1.9 x 10-5 M and…

Q: What will be the solubility of Fe(OH)3 (Ksp = 1.6 × 10–39) in: a. 0.0250 M FeCl3 solution? b. a…

A: a) Given: Ksp = 1.6 × 10-39 And concentration of FeCl3 = 0.0250 M Since FeCl3 is a completely…

Q: Given: (a) BCl3 + 3H2O →H3BO3 + 3HCl ∆H =-112.5kJ (b) B2H6 + 6H2O →2H3BO3 +…

Q: The reaction: 2NO + C12 – 2NOCI is second order in NO, first order in C12 and third order overall.…

A: The rate law for the reaction is K = rate constant [NO] = concentration of nitric oxide =…

Q: Part A AHôm = -91 kJ, ASm = –153 J/K, T = 300 K rxn Express your answer as an integer. ? AG n =…

A: we need to calculate the change in free energy (delta Grxn)

Q: If you are to prepare a buffer solution with a pH of 11.00, which weak acid-conjugate base pair from…

A: Given the Ka values, we can calculate the corresponding pKa values.

Q: H2O H2SO4

Q: If the symbol X represents a central atom, Y represents outer atoms, and Z represents lone pairs on…

Q: Select the X group below that would produce a weaker acid than the acid generated when X=H in the…

A: We need to determine X such that a weak acid is formed.

Q: is the study of rate and mechanisms of chemical reactions is called? Select one: a. Kinetics b.…

Q: IF an unknown element has an atomic mass of 119 and a quantum number sequence of 5, 1, 0, +1/2…

A: Given that - Atomic mass of element = 119 And, the sequence of all quantum numbers is = 5,1,0,+1/2…

Q: 46 It is the time required for half of the reactant to react is known as? Select one: a. time…

Q: Assume that at 1000K, magnesium oxide adopts the CsCl structure type. Estimate its lattice energy…

A: Solution -

Q: The reaction: 2NO + Cl2 → 2NOCl is second order in NO, first order in Cl2 and third order overall.…

A: Given, The reaction: 2NO + Cl2 → 2NOCl is second order in NO, first order in Cl2 and third order…

Q: कि व १arvreाiक, ग्प्ला ०7 गप्डाrमेका. No is oxidized to Noã and Fe3t id sceduced to Fezt. complete…

Q: For a reaction in which A and B forms C, the following data were obtained from the experiment:…

Q: 8. The questions below refer to the following information: The rate constant k for the reaction…

Q: Please answer the following with complete solution. Thank you. A mixture placed in an Erlenmeyer…

A: Given, Volume of silica gel = 6mL Volume of solvent = 40 mL mass of non volatile compound = 100 mg…

Q: Depict H-bonding between the molecule CH3OCH3 and water

A: Depict the H-bonding between the molecule CH3OCH3 and water.

Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

4. Calculate the pH of a 0.100 M solution of alanine prepared from the form shown below. pKa
(-COOH) = 2.344 and pKa (-NH;") = 9.868.
H
*H;N-
C
C
O-
CH3
pH = 6.106
5. Referring to Question 4, calculate the concentration of the fully protonated form of alanine in
the solution described in Question 4.
[H2A*] = 1.72*10-$ M

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

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) Find the pH of 0.1 M of the different form of histidine species. (See image attached) b) What is the principal species at pH , pH 5, pH 8, and pH 11?
Calculate the pH at 25°C of a 0.91 M solution of anilinium chloride (C6H5NH3Cl). Note that aniline (C6H5NH2) is a weak base with a pKb of 4.87.
please help me answer all 4 a. In the laboratory a student measures the percent ionization of a 0.537 M solution of formic acid , HCOOH to be 1.89 %. Calculate value of Ka =_______ from this experimental data. b. Calculate the percent ionization of a 0.580 M solution of hypochlorous acid. % Ionization = _______ c. In the laboratory, a general chemistry student measured the pH of a 0.537 M aqueous solution of trimethylamine, (CH3)3N to be 11.781. Use the information she obtained to determine the Kb for this base. Kb(experiment) =____________ d. In the laboratory, a general chemistry student measured the pH of a 0.586 M aqueous solution of triethanolamine, C6H15O3N to be 10.780. Use the information she obtained to determine the Kb for this base. Kb(experiment) = ________________
Determine the principal species at the following pH levels for Nitrilotriacetic acid. The most protonated form is C6H10NO6+. pH= 1,2,3,4,10. pK1 = 1.0, pK2 = 1.81, pK3 = 2.52, pK4 = 9.46.
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) .
Calculate the pH of a .5M solution of the amino acid, aspargine, that was prepared from the form of asparganine that has a net -1 charge. Ka(-COOH) = 6.92x10^-3 and Ka(-NH3+)=1.86x10^-9 A. 4.52 B. 1.23 C. 5.45 D. 11.22 E. 7.93 F. 10.42
Calculate the pH at 25°C of a 0.89M solution of trimethylammonium chloride CH33NHCl. Note that trimethylamine CH33N is a weak base with a pKb of 4.19 .Round your answer to 1 decimal place.
Calculate the pH of a weak acid which dissociates as AH ⇌ A- + H+ ( like CH3COOH ⇌ CH3COO- + H+ or HNO2 ⇌ NO2- + H+ ) knowing that the initial concentrations are [AH]0 0.11 M and the acid dissociation constant, Ka , is 5.86e-7 pH _______ ← please insert your value
The simplest amino acid is glycine ( molar mass = 75.1 g/mol), whose structure is shown above. An aqueous solution of glycine is prepared by dissolving 0.329 g in 150 mL of water at a temperature of 25 C. The resulting solution has a pH of 2.02. Calculate the molarity of the solution. Calculate the percent ionization of this solution of glycine. Calculate the Ka for glycine. Glycine is water soluble. On a structural formula like the one above, draw one water molecule that shows how glycine and water can form hydrogen bonds with each other.
CH3NH2 is a weak base (Kb = 5.0 x 10-4 ) and so the salt CH3NH3NO3 acts as a weak acid. What is the pH of a 0.0150 M solution of CH3NH3NO3 at 25oC? You must write the reaction of hydrolysis.
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) .
Calculate the pH of a 0.150M solution of aniline, C₆H₅NH₂ ka=4.0E-10