The pKa values of formic acid and the methylammonium ion are 3.75 and 10.62, respectively. Calculate K for the following reaction: HCO2−(aq)+CH3NH3+(aq)⇌HCO2H(

Q: In charts the pKa of acids are often given instead of the Ka values. For the 5 acids below predict…

A: There are two types of bases/acids. One is strong base/acid which is completely dissociable in into…

Q: pKa

A: According to the question, we need to determine the conjugate acid of the molecule and then…

Q: What is the conjugate acid of HBO32-

A: Given base,          HBO32-   this conjugate base formed in the second ionization of boric acid.

Q: The Ka of acetic acid is 1.7 x 105. What is the pKa of acetic acid?

A: pKa = -logKa

Q: What is the hydronium-ion concentration of a 2.00 M solution of 2,6-dinitrobenzoic acid,…

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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: Provide an explanation without using the pka values : Why is phenol stronger acid than butanoic…

A: An acid is stronger than the other acid if it's anion is stronger than the anion of the other acid.

Q: Show the reaction and equilibrium expression for the basic dissociation of trimethylamine. Given…

A: The equilibrium constant is defined as the ratio of concentration of product is to concentration of…

Q: Show the reaction and equilibrium expression for the basic dissociation of trimethylamine. Given…

A: The pH is scale for determining the acidity of a solution. If the pH of a solution is below 7 then…

Q: At what pH will 25% of a compound with a pKa of 5.3 be in its basic form?

A: A buffer solution contains both weak acid and the salt of weak acid formed from its conjugate base.…

Q: The pKa values of the carboxylic acid groups of oxaloacetic acid are 2.22 and 3.98.a. Which carboxyl…

A: a. The structure of oxaloacetic acid is; The pKa value is inversely related to the acidic strength…

Q: Arsenic acid, a triprotic acid, has 3 pKa values (2.24, 6.96, and 11.50). What is the predominate…

A: We will see the predominant form of arsenic acid at a pH = 4.00  You can see below details…

Q: At what pH are the concentrations of morpholine and morpholinium ion equal

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Q: Dicarboxylic acids have two dissociation constants, one for the initial dissociation into a…

A: Acids are sour substances with pH values less than 7. Acids can donate their protons. There are two…

Q: 3. Calculate the pKa value of hydroxylammonium cation (HO-H3N*)(protonated on nitrogen hydroxyl…

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Q: Acid Ka A HNO2 4.50×10-4 B HClO 3.50×10-8 (1) The acid with the smallest value of pKa is…

A: (1)  Ka of HNO2 = 4.50×10-4   Ka of HClO = 3.50×10-8   Equation: pKa = - log Ka   For HNO2 : pKa = -…

Q: Consider the following compounds that vary from nearly nonacidic to strongly acidic. Draw the…

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Q: A aqueous solution (benzoic and sodium benzoate) has a pH of 5.1, Its dissociation constant of…

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Q: Water has a pKa of 15.7. Methane has a pKa of 48. Hydrofluoric acid has a pKa of 3.2. Acetic acid…

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Q: Given that HO(CH2)2COOH has a pKa = 4.5 and HO(CH2)2 NH3 has a pKa = 9.5, answer the following: %3D…

A: Solubility of a compound is based on the principle of 'like dissolves like.' Water is a polar…

Q: Both mepivacaine and bupivacaine are local anesthetics used in epidural blocks. Mepivacaine has a…

A: Since more the value of Ka , more will be the dissociation of the acids  Hence more will be the…

Q: Low-molecular-weight dicarboxylic acids normally exhibit two different pK, values. Ionization of the…

A: Dicarboxylic acids are those acids which contains 2 -COOH groups.

Q: Dimethylamine (CH3)2NH is a weak base with a pKa of 11.0 Calculate the pH of a solution of…

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Q: CH CN OCH, 3. .32 312 Ce 231 4. 3.2 1 123 1 213

A: Acidity is defined as the ability to lose the hydrogen ion. The molecule that loses the proton more…

Q: Which of the following explains why alpha-amino acids, the building blocks of proteins, are nearly…

A: Strong acids are those in which the conjugate base of this acid is stable. As amino are stronger…

Q: What do  you mean by carbon acid? What is the range of their pKa's?

A: What do you mean by carbon acid? What is the range of their pKa's?

Q: Given the following balanced ionization reactions for the following wea bases, write the Ka or Kb…

A: Ka and Kb is ionisation constant and defined for acid and base respectively. Only aqueous state ions…

Q: A naturally occurring amino acid such as alanine has a group that is a carboxylic acid and a group…

A: The part "a" contains insufficient data as table 2.1 is not mentioned and "Since you have posted a…

Q: Given the following pka values for acids acid pKa NH3 38 50 CH4 H,0 CH3CO,H 4.74 HC CH 15.7 25 Which…

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Q: The pKa of the conjugate acid of guanidine is 13.6, making it one of thestrongest neutral organic…

A: Given: The given conjugate acid is guanidine. pKa=13.6

Q: Aniline (conjugate acid pKa 4.63) is a considerably stronger base than diphenylamine (pKa 0.79).…

A: In aniline the lone pair of nitrogen atom is delocalized on one benzene ring only.

Q: Phthalic acid and isophthalic acid have protons on two carboxy groups that can be removed with base.…

A: Normally acidic strength of a compound can be determined by the amount of stability of its conjugate…

Q: Sulphuric acid (H2SO4) has a PKa of -3. a) Write an equation showing how sulphuric acid can act as…

A: Given that pKa of sulphuric acid is - 3. We need to find Ka value.

Q: With a pKa of 1.2, squaric acid is unusually acidic for a compound containing only C, H, and O. :ÖH…

A: Squaric is highly acidic in nature when there is removal of one proton takes Place then, the…

Q: Lactic acid (HC3H5O3) has one acidic hydrogen.  A 0.10 M solution of lactic acid has a pH of 2.44…

A: Formula used :- . pH = -log[H+] . Ka =  [Product]/[Reactant]

Q: Use the value of the pK1 provided to deduce the structures of the following oxo acids.…

A: The acid dissociation constant (pKa) is a measurement of a molecule's acidity. The pKa value of an…

Q: For nos. 18 and 19, consider the following choices of acids and their corresponding pKa values at…

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

Q: Which is the conjugate base in this reaction? Pyridinium- acetic acid Pyridine H ion -oH pka =4.76…

A:

Q: For an acid HA with a pKa of 5.2, what is the ratio of the concentration of the conjugate base to…

A: The dissociation reaction of acid HA can be written as  => HA ------> H+ + A-  Conjugate base…

Q: The hydrolysis of the ester shown here is catalyzed by morpholine. Explain how morpholine catalyzes…

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Q: Calculate the pH of a 0.24 M solution of sodium lactate. The pKa of lactic acid is 3.86.

A: Sodium lactate is the salt of strong base and weak acid. Its solution will be basic in nature.

Q: A 0.119 M solution of Covidenol, a weak acid, has a measured pH of 3.45.  Determine the pKa of…

A: Given: Concentration of Covidenol, C = 0.119MpH of of Covidenol = 3.45To find:Valur of pKa = ??

Q: Dicarboxylic acids have two pKa's. -  For maleic acid (cis-2-butenedioic acid) these are pKa1 = 2.0,…

A: Dicarboxylic acids have two pKa's. For maleic acid (cis-2-butenedioic acid) these are pKa1 = 2.0,…

Q: The pKa values of the carboxylic acid groups of oxaloacetic acid are 2.22 and 3.98. a. Which…

A: a. The structure of oxaloacetic acid is; The pKa value is inversely related to the acidic strength…

Q: Citric acid, a triprotic acid, has 3 pKa values (3.128, 4.761, and 6.396). What is the pKb of…

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Q: Lysine (K) is a triprotic amino acid whose most protonated form has a charge of 2+. Its acid…

A: Groups, whose pKa< given pH get deprotonated and groups, whose pKa> given pH get protonated…

Q: For nos. 18 and 19, consider the following choices of acids and their corresponding pKa values at…

A: pKa is defined as the negative logarithm of ka i.e. pKa = -logKa

Q: Naming dicarboxylic acids and their pKa values:

A: The name and the pka value of the attached dicarboxylic acid has to be given

Q: Given the following information determine which of these acids is the strongest? Ka for boric acid…

A: Given : Ka and pKa values for some of the Compounds are given  To find : strongest acid  Solution :…