Acetic acid (pKa = 4.75) is contained in vinegar. What is the pKb of the conjugate base of acetic acid, the acetate anion

Q: Nitromethane is a weak base. CH3NO2(aq) + H2O(1) = CH3NO2H+(aq) + OH¯(aq) A solution with a…

A: Concentration of nitromethane = [CH3NO2] = 0.0500 mol/L  pH of solution = 11.5  We need to determine…

Q: 1. Here we have two molecules. First one is the salicylic acid and the second one is the acetyl…

A: pKa value basically indicate the strength of acid . pKa value is the negative logarithm of acid…

Q: dentify the conjugate base in the reaction of propanoic acid CH3CH3COOH reacting with methyl amine,…

A: A pair of acid and base which are different from each other by only one proton are called conjugate…

Q: What is the conjugate acid of HPO4 - 2?   A. H3PO4 B. PO4 -3 C. HPO4 -2 D. H2PO4-

A: Applying concept of conjugate acid and base.

Q: Given the reactions HF(aq) ⇌ H+(aq) + F-(aq)    Kc = 6.9 x 10-4 H2C2O4(aq) ⇌ 2 H+(aq) + C2O42 - (aq)…

A: Ksp is equal to the product of solubilities of the consitituent ions raised to the power equal to…

Q: Consider two acids: C,H5CO,H (benzoic acid, pK = 4.2) and HCO,H (formic acid, pK=3.8). Which acid is…

A: We are having two acids benzoic acid and formic acid we have to choose the strongest acid .

Q: What is the pH of a 1L solution containing 10 mls of 0.5 M acetic acid and 5 mls of 2 M sodium…

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Q: Consider two acids: HCO2H (formic acid, pKa = 3.8) and pivalic acid [(CH3)3CCO;H, pK = 5.UJ. (a)…

A: Given,  pKa of HCOOH = 3.8  pKa of (CH3)3CCOOH = 5.0  a). Which has the larger Ka value = ?  b).…

Q: Given the following information: HF (aq) ↔H + (aq) + F– (aq) Kc = 6,8 x 10–4 H2C2O4 (aq) ↔ 2 H+ (aq)…

A: Interpretation- Given information-  Concept-  First valance the reaction and then get final…

Q: Phenol has a pKa of 9.99.  Calculate the pH of a 0.195 M solution.

A: Given information is as follows: pKa=9.99 Molarity = 0.195 M Determination of Ka from the given pKa…

Q: Which base is stronger, pKb = 3 or pKb = 4?

A: The greater the value of Kb,  the stronger the base. The smaller the value of pKb, the stronger the…

Q: True or False: The smaller the pKb, the weaker the base is.

A: Interpretation: The given statement is true or false is to be determined. Given statement: The…

Q: For each case below determine whether the products or reactant are favored A reaction of K eq=10 A…

A: Equilibrium constant gives the relation between the concentration of the products to that of the…

Q: What is the conjugate base of dihydrogen phosphate (H2PO4-)? Group of answer choices phosphoric…

A: A conjugate base is that which is formed when a acid releases a H+ ion in the solution  And a…

Q: reduced in the reaction shown below? Mg(s) + 2HCl(aq) ⟶⟶ MgCl2(aq) + H2(g)  Group of answer…

A: Redox reactions involve the oxidation and reduction processes occurring simultaneously. Oxidation is…

Q: The Keq for the reaction:   A+B ↔ AB  is 85 What is the Keq for  AB↔  A + B   ?

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Q: 2. (D) Vitamin 'C' or ascorbic acid is an essential nutrient for human beings and certain other…

A: The tendency to gain a proton from a reaction is known as conjugate base.

Q: Acetic acid (shown below) has a Ką that is much smaller, 1.8x10-5. Why is fluoroacetic acid a…

A: The acidic character of a compound depends on the stability of the resulting conjugate base. If the…

Q: At 50 oC, water has Kw = 5.48 x 10-14.  A student measured a reaction pKa = 11 at this temperature.…

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Q: Given the reactionsHF(aq) ⇌ H+(aq) + F-(aq)    Kc = 6.8 x 10-4H2C2O4(aq) ⇌ 2 H+(aq) + C2O42 - (aq)…

A: The given reactions are,                HF(aq) ⇌ H+(aq) + F−(aq)…

Q: The pKa for the first protonation of nicotine (2) is 8.02. What is the pH and the fraction of…

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Q: What is the percent dissociation of acetic acid if the solution has a pH = 4.74 and a pK a = 4.74?…

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Q: If Ka for the acid is 2.51 x 10-5 at 25°C, what is the Kb of the conjugate base? a. 3.98 x 1010 b.…

A: Acid can be defined as the substance that give hydrogen ions in solution.and a strong acid have…

Q: What is the pKg of its conjugate base?

A: Given :- Ka = 7.89 × 10-8  Calculate :- pKb of the conjugate base

Q: What is the correct relationship between Ka and Kb for a weak acid and its conjugate base…

A: We know, Ka × Kb  = Kw Kw is the ionisation constant of water.

Q: Ka = 3.5 x 10-8 reaction between formic acid (HCO2H) and a solution containing hypochlorite ions…

A: Reaction is HCO2H + ClO- ---> HClO + HCO2- A) Name of conjugate base =Formate B) name of…

Q: Determine whether the statements are true or false. ( a. The stronger the base, the smaller the pKp.…

A: The pH scale range and the acid character of an acid or base can be known using Pka and PKb or just…

Q: Name two causes of rancidity in oils

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: The Kb for a weak base is 4.5 x 10-6.  What will be the Ka for its conjugate acid at 25 oC? Group of…

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Q: What is the pH of a 0.430 M solution of C₅H₅NHBr (Kb of C₅H₅N is 1.7 × 10⁻⁹)?

A: pH= 1/2(pKb-logc) Here given Kb=1.7×10-9,hence pKb=-logKb=-log(1.7×10-9) given c=0.430 M

Q: Which is the conjugate base of the acid HCO3- ?     CO32-   CO2   H2CO3   CO

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Q: Tartaric acid is a natural byproduct of wine making. The first documented isolation was recorded in…

A: The molecular formula of tartaric acid id C4H6O6 and its structure is as shown below.

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 is the pH of a solution with 0.46 M lactic acid and 0.07 M sodium lactate? Include 3 sig figs…

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Q: At the equivalence point? O all of the weak acid, 3-methylbutanoic acid, is converted to the weak…

A: As the value of Ka is very small, 3-Methylbutanoic acid is weak acid and thus does not completely…

Q: Which is the stronger base between NH3 and H2O ,is low pka =strong base?

A: According to Lewis acid-base concept electron pair donors are bases and electron pair accepters are…

Q: Given the reaction HC1O4 + CN CIO + HCN The acid HCIO4 reacts with its conjugate acid CN to form CIO…

A: Conjugate base is formed when an acid loses a proton and conjugate acid is formed when base accepts…

Q: What is the pH of a 0.639 M solution of lactic acid? The pKa of lactic acid is 3.854.

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Q: Consider two acids: CH;CO,H (benzoic acid, pK, = 4.2) and CH,CO,H (acetic acid, pK,= 4.8). Which…

A: According to Bronsted-Lowry concept  Acid is a substance which donates proton to other and forms its…

Q: At 25 °C the pk, for methylammonium, NH3CH3*, is 10.64. What is the pK, for its conjugate base? Оа.…

A: pka for acids and pKb for bases . For it refers to the conjugate pair.    The relationship between…

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: Calculate the concentration of C6H6O62- in an aqueous solution of 7.07×10-2 M ascorbic acid,…

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Q: To find the pKb of the conjugate base of a weak acid, one must subtract the pKa of the weak acid…

A: Ka and Kb are the dissociation constant of weak acid and weak base respectively. pKa is the -log of…

Q: The Keq for the reaction:  A + B ↔ AB is 2.03 What is the Keq for AB ↔ A + B Keq = ?

A: The equilibrium constant, Keq for the reaction:  A + B ⇌ AB is 2.03 The equilibrium constant, Keq…

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: The conjugate acid of HSO4‒ in the reaction: HSO4‒ + H2O  H2SO4 + OH‒ H2SO4 H2O SO42‒ OH‒

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Q: A certain organic amine acts as a mono acid base in an aqueous solution. A 0.05M solution has a…

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Q: The Kp of ethylamine is 4.30 x 104. What is the pH of a 0.08457M aqueous solution of ethylamine?…

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Q: The [H3O+] of a solution with pH = 2.0 is

A: The [H3O+] of a solution with pH = 2.0 is