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: Acetic, formic, hydrofluoric, and acetylsalicylic acids have the following values of pKa (25°C),…

Q: 5. Sup step-by-step mech eh 802&t Nah cores + p-ph 0 1 ту Es Ph

A: The objective of the question is to find out the step by step mechanism for the given reaction.In…

Q: An analytical chemist is titrating 131.8 mL of a 0.7000M solution of propylamine (C3H-NH₂) with a…

A: Given data :

Q: What is the ratio of lactic acid (Ka = 1.37x10-4) to lactate in a solution with pH =4.09? Write…

A: Given Ka = 1.37 × 10-4 PH = 4.09 [ lactic Acid ][ lactate ] = ?

Q: explain in great detail why the pKa values are what they are and compare them among the three…

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

Q: For this assignment I want you to look up some of the following compounds with their conjugate acid…

A: If the pH is greater than pKa then deprotonation occurs and it exists in deprotonation form. While…

Q: Given the Ka values (in parentheses) for the following acids: HSO4– (Ka= 1.2 x 10–2); HNO2 (Ka= 4.0…

A: Given data, Ka for HSO4- = 1.2 x 10-2 Ka for HNO2 = 4.0 x 10-4 Ka for HC2H3O2 = 1.8 x 10-5

Q: 1) Conjugate Acid/Base Pairs - Draw the conjugate Acid-Base pair for each reaction, and indicate if…

Q: 25. Rank the following in the order of decreasing acidity (i.e., more acidic > less acidic)? OH OH…

A: Acidic strength directly proportional to minus mesomeric effect (-Meffect ).and minus inductive…

Q: Calculate the pH of a 0.202 M aqueous solution of triethanolamine (C6H15O3N, Kb = 5.8×10-7) and the…

Q: What is the Kb of a base whose pKa is 8.9?

A: The question is based on conjugate acid base principle. a strong acid has a weak conjugate base and…

Q: conjugate base acid Consider the reaction AH + H₂O → A: + H3O+. For the following named acids: a)…

A: Acidity is defined as the ability of a molecule to release protons.If a compound easily donates…

Q: Lecithins are a type of glycerophospholipid. They are also called phosphatidylcholines and are…

A: the given lecithine molecule

Q: Several examples of the nitrogenous, heterocyclic bases for the nucleotides of DNA and RNA are shown…

Q: Which of the N atoms are basic in ciprofloxacin? Explain A) N1 B.) N9 C.) N12

A: The basicity of a base depends on the availability of lone pairs. The higher the availability of…

Q: What fraction of piperazine (perhydro-1,4-diazine) is in each of its three forms ( H2A , HA- , A2- )…

Q: You are an organic chemist and given a solid mixture of these two compounds. You need to isolate the…

A: Given:

Q: 6. Carbonic acid (H2CO3) has two ionizable protons, with pKa around 6.1 and 10.2. (a) Which species…

Q: The product of the reaction of Sanger's reagent with amino acid X is shown below. Give the name of…

A: In this question, we will give tha name of the Amino acid X You can see the explanation and final…

Q: Will 3- methylhexanoic acid be negative or neutral at pH of 6.38?

A: In the given question, we have to find the charge at given pH.

Q: (b) Describe how the charge of some amino groups in a protein might differ at pH 9.0 and pH 5.0.…

A: Polypeptides are polymers of amino acids that make up proteins. The amino (–NH2) and carboxylic acid…

Q: Conjugate acid base pKa 2) Consider the reaction B: () + H3O+ →>> BH(+) + H2O. For the following…

A: Note: The pKa values are not exactly correct there may be minor differences.

Q: Ph. CH CH EC-Ph

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

Q: Using pKa Values to Determine Relative Acidity and Basicity Rank the following compounds in order of…

A: pKa of acid : Ka is called the acid dissociation constant. If any compound easily gives H+ than the…

Q: A weak acid has a pKa of 7.6. What is the proportion of A- to HA if pH is 9.08? Round to one…

Q: For each of the following pairs, indicate which of the two is the stronger base: (a)…

A: To Solve this problem we have to know about which is stronger base .

Q: ОН OH NH HO, C33H35FN2O5 F

A: We have given neutal molecule C33H35FN2O5 .

Q: 8 9 10 OH Br Лон Скон Base Base. Як-он

A: The questions of organic synthesis. we need to identify product and reagents required in the given…

Q: Which base is considered the strongest?

A: We have to tell which base is strongest

Q: Draw acid-base equilibrium for sulfamethoxazole (pka 5.8), and suldapyridine (pka 8.4).

A: The objective is to draw the acid-base equilibrium of the given compounds, Acids are compounds that…

Q: I would like to have a follow-up question. Would you get an answer of 4.05 pH if the value of your…

Q: 2) For each of the following reactions below, predict the products and draw full Lewis structures…

A: The Lewis dot structure guides the arrangement of atoms and electrons in a molecule.

Q: weak acid has a pKa of 7.58. What is the proportion of A- to HA if pH is 9.42? Round to one decimal…

Q: What is the conjugate acid of each of the following? What is the conjugate Dase of eacn? (a) NH…

A: Acid and Base:• Acid: acids are proton (H+) donor.• Base: bases are proton (H+) acceptor.2)…

Q: C6H7O6H, Ka = 6.8 × 10-5) and [C6H7O6-] = 13.3 × [C6H7O6H]. what is the pH.

A: pH is equal to negative logarithm of hydrogen ions

Q: Please don't provide handwritten solution .....

A: 1. Calculate the molar concentration of ascorbic acid in the solution before it was evaporated.…

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

Specialized reagents and their acronyms: MCPBA= meta-chloroperbenzoic acid; HOAC = acetic acid, NaOAc = Sodium Acetate; Ph= phenyl = C6H5-; P(Ph)3 = triphenyl phosphine; NBS = N- bromosuccinimide, PBR3, SOCI2, AlCl3, FeBr3, H2SO4, Li, Na, Mg, Br2, CrO3, LDA = lithium diisopropylamide, PCC = pyridinium chlorochromate, KO-C(CH3)3, LAH = LIAIH4, (sia)2BH = disecondary isobutyl borane, KMNO4, HIO4 = periodic acid %3D %3D %3D %3D %3D write the missing reagents and solvents over the arrows. Some transformation require multiple steps. In some cases there will be multiple arrows. Br Br
(2) Caffeine (C8H10N4O2) is a weak base with a pKь of 10.4. Calculate the pH of a solution containing a caffeine concentration of 455 mg/L.
I mostly need help setting up how to do the math for these problems. I also need help with knowing how to find which acid is the strongest. Give the Ka or pKa values that should be entered in the blanks below. pKa = -log10ka ; Ka = 10-pKa (a) hydrocyanic acid: Ka = 4.92 x 10-10 ; pKa = (b) acetic acid: Ka = ; pKa = 4.75 (c) lactic acid: Ka = 8.40 x 10-4 ; pKa = (d) formic acid: Ka = ; pKa = 3.75 (e) Which of these acids is the strongest?
Which of the following explains why alpha-amino acids, the building blocks of proteins, are nearly 1000 times more acidic than aliphatic carboxylic acids? H3N. R. An a-amino acid An aliphatic acid pK, 5 pKa = 2 O Inductive effects of the aliphatic group destabilize the conjugate base. O Inductive effects of the amino group help stabilize the conjugate base. O Inductive effects of the aliphatic groups help stbilize the conjugate base. O Inductive effects of the amino group destabilize the conjugate base.
Provide the products of the following acid-base reactions: 요오 ii OH OH OMe e OH OH
Sulfuric acid (H2SO4) has a pKa value of -10 and it is almost completely ionized in water. Write the ewis structure for the conjugate base of sulfuric acid. Draw all the possible resonance structures for the corresponding conjugate base.
#22
a) If the Kb of a weak base is 4.7E-9, what is the Ka of its conjugate acid? Do not include any units with your answer. Your answer should have two significant figures. For scientific notation use the same as that in the problem (i.e. 3.3E-2 is the same as 3.3 x 10-2). b) Diethylamine, (CH3CH2)2NH, has a Kb of 8.6 x 10-4. What is the pH of a 0.22 M solution of diethylammonium chloride, [(CH3CH2)2NH2]Cl? Your answer should be to two places past the decimal point.
Could you help me with this? I'm stuck on this question.
Will 3-methylhexanoic acid be positive or neutral with an pH of 6.38?
Conjugate acid base 2) Consider the reaction B:(-) + H3O+ → BH(+) + H2O. For the following named bases: 1) draw the structure of the base, 2) draw the structure of the conjugate acid, 3) give the name of the conjugate acid, and 4) give the approximate pKa of the conjugate acid (±1 pKa unit). For the purposes of answering this question you may use pKa values evenly divisible by 5. Benzoate anion Cyclopentadienide anion Diethyl amine Diethylamide anion pKa pKa pKa pKa
How do you account for the fact that the -COOH group of the conjugate acid of alanine is a stronger acid than the -COOH group of propanoic acid?