Why is the pH of sodium ethanoate greater than 7?

Q: What percent of imidazole is protonated at physiological pH (7.4)?

A: pH= 7.4. We have to find the percentage of protonated imidazole at the pH of 7.4.

Q: 6. As the pKa of a proton donor (acid) increases (becomes numerically larger), the nucleophilicity…

A: 1) High pKa value means weak acid,  low pKa value means strong acid. 2)   Strong acid have weak…

Q: Write the equilibrium-constant expressions and obtain numerical values for each constant in (a) the…

A: Acid dissociation constant Ka is utilized to determine the acidic and basic nature of a solution. It…

Q: 2. Calculate [A]/ [HA] ratio of phosphoric acid species presents in blood at pH=7.4. Identify…

A: Henderson Hasselbach equation is used in the preparation of a buffer.  pH = pKa + log [base][acid]…

Q: The base protonation constant K, of allantoin (C,H,N,O,NH,) is 9.12 x 10. Calculate the pH of a 1.3…

A: Reaction: C4H4N3O3NH2 + H2O ⇌ C4H4N3O3NH3+ + OH-    Kb of allantoin = 9.12×10-6  Concentration = 1.3…

Q: 9- The acid dissociation constant K, of trimethylacetic acid (HC (CH,),CO, is 9.33 x 10. Calculate…

A: Since trimethyl lactic acid is a weak monoprotic acid. hence it will dissociate partially as per the…

Q: Write the two acid-base equations that allow the separation of a mixture of biphenyl and N,…

A: Structure of biphenyl and N, N-diethylaniline:

Q: omplete the balanced dissociation equation for the compound below in aqueous solution. If the…

A: Salts are strong electrolytes. They dissociate completely in the aqueous solution. Sodium bromide is…

Q: At what pH is 50% of a compound, with a pKa = 7.3, in its basic form?

A: The Henderson-Hasselbatch equation makes it possible to calculate precisely how much compound is…

Q: Write the equilibrium-constant expressions and obtain numerical values for each constant in (a) the…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: 1. Write the equilibrium-constant expressions and obtain numerical values for each constant in (a)…

A: We'll answer the first question with three sub parts, since the exact one wasn't specified. Please…

Q: What is the pH of a solution

A:

Q: The base-dissociation constant of ethylamine (C2H5NH2) is 6.4 × 10-4 at 25.0 °C. The [H+] in a 1.6 ×…

A: [H+ ] [ OH-]   = 10-14 P H  + POH  =14 [ OH-] =10-14 /[H+ ] [H+ ]= 10-14              [ OH-]

Q: Write the equilibrium-constant expressions and obtain numerical values for each constant in (a) The…

A: The acids are the compounds that lose H+ and bases are the ones that accept H+. The acidic salt also…

Q: Which is the most appropriate solvent to discriminate the base strengths of NaOH, KOH and R6OH? A.…

A: NaOH , KOH and RbOH are strong base.  So they react fastly with weak acid . So , we can't use…

Q: V. Using your knowledge on structural effects, account for the following observations by giving…

A: The Bronsted-Lowry acid-base theory was purposed by Bronsted and Lowery is called Bronsted-Lowry…

Q: What is the ionization constant at 25 C for the weak acid (CH3)2NH2+, the conjugate acid of the weak…

A: The given solution contains a weak acid and a weak base.

Q: 6. What is the pH of 0.03 mol dm- ethanoic acid? Ka = 2 x 10- mol dm-

A:

Q: The range of the evidence is 6-8 if the value of its dissociation constant is о 1 x 10-9 1 x 10-7 1…

A: Range given, 6-8 What is the value of dissociation constant ?

Q: The base protonation constant K, of allantoin (C,H,N,O,NH,) is 9.12 x 10 °. Calculate the pH of a…

A: Given Initial Concentration = 0.47 M Kb = 9.12 × 10-6

Q: Which is a stronger acid: one with an acid dissociation constant of 3.4 X 10-3 or one with an acid…

A:

Q: An aqueous solution of benzoic acid and sodium benzoate has a pH of 5.1. The dissociation constant…

A: Given,  Dissociation constant(Ka) = 6.5x10-5

Q: Which structural effect is appplicable to justify why 2-hydroxypentanoic acid is more acidic than…

A: Acidity  of compounds  is  Increase  by Electron  withdrawing effect  of Groups . These are the…

Q: give the pH values at the end point of: i.bomocresol green ii.red phenol iii.phenophthalein in…

A: Interpretation -  To give the pH value at the end point of - Bromo cresol green Red phenol…

Q: Draw the amino acid proline with the biologically preferred stereochemistry and ionization state at…

A: An amino acid are molecule which has acid COOH and basic NH2 group . Thus it is  amphoteric in…

Q: NaCH3COO ,sodium acetate NaC6H5COO , sodium benzoate NaCH3CH2 COO sodium propionate NaHCO 3 , sodium…

A: An indicator is a compound that is added to solution to identify the completion of reaction in a…

Q: Calculate the fraction of the triprotic acid in each of its forms at pH 5.13.

A:

Q: Give the detailed step-by-step procedure of the preparation of 20 mL of 2 M

A: We have given that  Give the detailed step-by-step procedure of the preparation of 20 mL of 2 M HCl…

Q: Calculate the pOH of a solution that is 0.165 M morphine C17H19O3N and 0.386 M morphine…

A: In this solution, the morphine (C17H19O3N) is a weak base and morphine hydrochloride (C17H19O3NCl)…

Q: Complete the balanced dissociation equation for the compound below in aqueous solution. Rb 3PO4 (S)…

A: A balanced equation is one in which the number of atoms on both side of the equation are same. A…

Q: The pH of 2-methylpropanoic acid is greater than that of 2-chloropropanoic acid. True or false

A: Detail description is given below

Q: The base protonation constant K, of 1-H-imidazole (C,H,N,) is 9.0 x 10°. -8 Calculate the pH of a…

A:

Q: 15.What would be the pH of a 0.25 M solution of phenylamine (C6H5NH2) at room temperature? The Kb of…

A: Given:  Concentration (C) of C6H5NH2 = 0.25 M Kb = 4 × 10-10 As C6H5NH2 is a weak base   So POH…

Q: Use electronic factors to explain which oxygen is preferentially protonated in carboxylic acids

A: As pe the bartleby expert guidelines, I am allowed to answer first one question at a time. Please…

Q: The base protonation constant K, of 1-H-imidazole (C;H,N,) is 9.0 x 10-8. Calculate the pH of a 0.57…

A: We have to predict the pH of solution.

Q: The base-dissociation constant of ethylamine (C2H5NH2) is 6.4 x 10* at 25.0 °C. The [H*] in a 1.6 x…

A:

Q: pH

A:

Q: Which is a stronger acid: one with an acid dissociation constant of 3.4 * 10-3 or one with an acid…

A: Acid dissociation constant (Ka) helps in determining the relative strengths of acids. Example-…

Q: The equilibrium constant for the reaction C6H5COOH(aq) + CH3COO"(aq) s C6H5CO0¯(aq) + CH3COOH(aq) is…

A:

Q: Using your knowledge on structural effects, account for the following observations by giving…

A: Boron trifluoride is a stronger lewis acid than trimethyl borate.

Q: As a stabilizer in a 3% solution of hydrogen peroxide is introduced: A) sodium bicarbonate B)…

A: The compound which is introduced to stabilizer in 3% solution of hydrogen peroxide is given below.

Q: Which compound, when dissolved in water, would cause the pH of the solution to be greater than 7? A)…

A: The pH of any compound can be calculated on the basis of the concentration of hydronium ions present…

Q: What is the 3rd stepwise equilibrium constant expression (Ka3) for phosphoric acid H3PO4?

A: Given polyprotic acid is phosphoric acid, The general equilibrium constant expression is given by,…

Q: A compound have pKa 3 , what will be its dissociation constant at pH 10 and at pH 1 ?

A: The formula that can be used to calculate Ka (acid dissociation constant) from pKa and pH is…

Q: if the pKa value for p-nitrophenol is 7.08, what fraction of it exists in its ionized form at (a) pH…

A: Henderson's equation for buffer solutions is :

Q: Help: Identify the Lewis acid, Lewis base, conjugate acid and conjugate base for the reaction of…

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Q: A) Complete the following sequence with the appropriate reactant X and product Y. State the IUPAC…

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Q: A “generic" diprotic acid has pK,'s of 4.85 and 6.21. Find Ki and K12 for the fully-deprotonated and…

A: SOLUTION: Step 1: The general equation of dissociation of diprotic acid is as follows:

Q: What Is the pH of a solutlon of 3.7 M HBr? A -0.651 B) -0.748 0.568 D) -0.568 E 0.748

A: Given that: [HBr] = 3.7M  HBr is strong acid.