Citric acid, a triprotic acid, has 3 pKa values (3.128, 4.761, and 6.396). What is the pKb of trisodium citrate? 1.34 x 10–11 7.604 10.872 9.239

Q: Two pk, values are reported for malonic acid, a compound with two COOH groups. Explain why one pk,…

A: pKa is defined as the negative logarithm of the acid dissociation constant. If the values of pKa is…

Q: Citrus fruits are rich in citric acid, a compound with three COOH groups. Explain the following:a.…

A: (a) The reason why value of first pKa is lesser than pKa of acetic acid has to be explained.

Q: Draw the structure of CH3COOH (pKa = 4.7) at pH = 2, pH = 7, and pH = 10.

A: Given   The value of pka is 4.7. The given compound is acetic acid having molecular formula CH3COOH.

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: What is the pKb of the conjugate base of a weak acid that has a pKa equal to 3.52? (temperature is…

A: Given that : pKa = 3.52  pKb = ?

Q: Ka for acetic acid is 1.8 x 10-5. What is the first digit of the pKa value for acetic acid?

A: Ka is a dissociation constant of acid Here the acid is given acetic acid Formula for pKa = -log ka…

Q: What is the net charge on the protein shown below (without pH considerations) at pH 12? a. -2 b.…

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

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

Q: Determine the chemical reaction involved in the assay of the following question Neutralization…

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Q: CaC2O4 (Ksp = 4.0 x 10‒9) is suspended in water. Which will increase the [C2O42‒] in solution?…

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Q: Which of the following will have the highest pKa? A. Co,?. B, HCO31 C. H2CO3 D. H2SO3 E. HCIO3

A: Acid is substance which release hydrogen ions. Weak acid has strong conjugate base and weak base has…

Q: Be sure to answer all parts. Calculate the following values. (a) What is the pK, of NO₂? (K₂ of…

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Q: Citrus fruits are rich in citric acid, a compound with three COOH groups. Explain the following: a.…

A: Mixture of acid and base undergoes equilibrium reaction and it's pka-values determine their…

Q: What is the pKa of a weak acid with a Ka of 4.7 X 10-6?

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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: Ammonia (NH3) is a weak base that under acidic conditions becomes protonated to the ammonium ion in…

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Q: EDTA is a hexaprotic system with the pKa values: -ooC-CH2 H,C-COO pKal 0.00, pK2 = 1.50, pKa3 =…

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Q: An unknown compound, X, is thought to have a carboxyl group with a pKa of 2.0 and another ionizable…

A: moles of NaOH (base) added = 0.1 M x 75 ml = 7.5 mmol moles of X present initially (acid) = 0.1 M x…

Q: At 25 °C the pKb for propanoate, C2H5COC", is 9.13. What is the pKa for its conjugate acid? a. 4.87…

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Q: Calculate the pKa of each acid and indicate which is the stronger acid. C6O2H8, Ka = 1.7 x 10–5…

A: The strength of any particular acidic species relates with its potential to release proton that is…

Q: The pK, of H2O is 15.7 and the pKa of CH3COOH is 4.8. What label and reason correctly describe a…

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Q: given weak acid has a pka of 7.83. Calculate the percent ionized in .34M of the weak acid

A: Given acid is weak so we will use concept of weak acid. Percent ionisation=√ka×C

Q: If the pka of CH3COOH is 4.74 and the pH of an CH3COOH/ CH3COONa buffer solution is 4.95, which of…

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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: A student determines that the value of Ka for H2CO3 = 5.7×10-7 . What is the value of pKa?

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Q: Identify the strongest acid. Ka 1.29 x10^-3 (tartaric acid, a component of grapes) O pka = 3.86…

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Q: A student determines that the value of Ka for H2SO3 = 2.3×10-2 . What is the value of pKa?

A: pKa is the measure of determining the strength of the acid. Lower the value of pKa, stronger will be…

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: One component of sour milk is lactic acid (HC₃H₅O₃). What is the pOH of 0.30M lactic acid? (Ka =…

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Q: What fraction of iminodiacetic acid is in each of its four forms (H3AH3A H2A−H2A−, HA2−HA2−, A3−A3−)…

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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: fetal and Studies of oxygen transport in pregnant mammals show that the O2-saturation curves…

A: Hemoglobin is an iron containing protein molecule that is present in erythrocytes. It includes an…

Q: Given the following values of pKa, which of the following is FALSE? pKa CH3COOH = 4.74 pKa H2CO3 =…

A: Given:  pKa CH3COOH = 4.74pKa H2CO3 = 6.36  pKa = -log Ka  Ka is dissociation constant of acid ;…

Q: pKb1 of  0.10 M chloroacetic acid 0.20 M carbonic acid 0.40 M citric acid

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Q: Two pKa values are reported for malonic acid, a compound with two COOH groups. Explain why one pKa…

A: pKa is inversely related to the acidic strength of the compound or Ka value which means greater the…

Q: Consider acid acid and trifluoroacetic acid. The pKa of acetic acid is 4.75. VWhich of the…

A: Note: a,b are false because pka valude of trifluoroacetic acid is lower than acetic acid. The…

Q: Calculate the pKa of a acid at 25°C if its conjugate base has a pKb = 1.19

A: The relation between pKa and pKb is given as: pKa + pKb = pKw ..........(1) Also, pKa = -logKa pKb =…

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: At 25 °C, Kc = 1 × 10–85 for the reaction 7IO3–(aq) + 9H2O + 7H+(aq) I2(aq) + 5H5IO6(aq) What is…

A: When an equilibrium reaction is reversed then the equilibrium constant of the reversed reaction is…

Q: What is the pK(b) of ClO₂⁻?(b) What is the pKₐ of the dimethylammonium ion, (CH₃)₂NH₂⁺?

A: pKa of HClO2 = 1.95 pKb of ClO2-= pKw - pKa = 14 - 1.95 = 12.05 pKb of ClO₂⁻ = 12.05     pKb of…

Q: Calculate the Ka of a 0.10M acid solution which is 8.1% ionized Group of answer choices 7.1 x 10-5…

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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: 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 an acid with a pKa of 5.00, what is the pKb of its conjugate base?

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Q: QUESTION 10 This is the structure of the local anaesthetic mepivacaine that is contained in some…

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Q: Nitromethane (CH,NO:) has a pk, value of 10. Does this mean that the nitro group (NO.) is an…

A: From standard sources, we get, the pKa of nitromethane = 50.

Q: . Which is the stronger acid: (a) Benzoic acid with a Ka of 6.5 x10-5 or hydrocyanic acid with a Ka…

A: A smaller Ka values implies that the acid does not dissociates completely, so it means smaller Ka…

Q: Phosphoric acid has pka values of approximately 2, 7 and 12. What are the relevant pKa for the…

A: Given, Phosphoric acid has three pKa values. pKa1 = 2 pKa2 = 7 pKa3 = 12