Q: pKa
A: According to the question, we need to determine the conjugate acid of the molecule and then…
Q: The benzylammonium ion (c6H5CH2NH3+) has pka=9.33 and the propylammonium ion has pka=10.71. Which is…
A: Given:- The benzyl ammonium ion (c6H5CH2NH3+) has pka =9.33 and the propyl ammonium ion…
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: 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: If the pKa of an organic molecule is 8, it's buffering range is around pH 7-8 8…
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Q: The Ka of an acid is determined to be 0.00589. What is the pKa?
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Q: Acetic acid can also react as a very weak base (pKb = 20). Two different sites on acetic acid might…
A: Conjugate acid base pair - Acids donate proton and base accepts proton. Acid and base which differ…
Q: Arsenic acid (H3AsO4) is a triprotic acid with 3 pKa values (2.24, 6.96, and 11.50). What is the Kb…
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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: The higher the pK, value the weaker the acid. True False
A: The higher the pKa value weaker is the acid is true or false has to be given,
Q: Calculate the ph of a solution that is 0.222M formic acid and 0.278M in potassium formate Ka of…
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Q: 6. The pka of formic acid is 3.750. What is the Ka of formic acid?
A: The answer to Question No. 6 is given as -
Q: The pKa value of CH3COOH/CH3COO- is 4.75. At what pH value are the concentration of CH3COO- and…
A: Acid and its conjugate base forms Acidic buffer.
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…
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Q: Weak acids do not dissociate completely in water and have pKa values of - 3 or higher. Which of the…
A: Given acids, A. HNO3 B. HCl C. H2SO4 D. H2CO3
Q: If compound A has a ka of 3.0 x 10-11 , compound B has a ka of 1.1 x 10-10 and compound C has a ka…
A: The modern method to express the strength of an acid or base is to measure the pKa value of the…
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: 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: a) Calculate Ka of formic acid whose pKa= 3.75. b) Calculate pKa of nitromethane whose Ka = 5.0 x…
A: A) pka = 3.75 B) Ka = 5.0 × 10-11
Q: , NH +? What is the pK of NH +?
A: Acid forms conjugate base by donating proton (H+) while base forms conjugate acid by accepting…
Q: Estimate the pKa of the acid.
A: We are given the titration curve for the titration of a weak monoprotic acid, HA with strong base.…
Q: The pKa of acetic acid in water is 4.76. What effect will a decrease in the polarity of the solvent…
A: Acetic acid in water has a pKa value of 4.76.
Q: Silicic Acid structure is this: The pK,s are: 9.83 and 13.1 он но - si- он OH Draw each acid…
A: a.) Given compound is a weak acid with high values of pKa. To write acid reactions , we show it…
Q: (b) Calculate the pH of 0.0005 mol dm³ ethanoic acid when its pK 4.75 CH₂COOH(aq) à CH₂COO (aq) + H*…
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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: 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: Calculate the pH of a 0.20 M HA solution, given the pKa of HA is 2.22.
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Q: The pKaa of the conjugate acid of guanidine is 13.6, making it one of the strongest neutral organic…
A: The conjugate acid of the guanidine is as shown above which has the presence of three nitrogen group…
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: What is the [A-]/[HA] concentration ratio required to obtain a pH 5.3, given that the pka of HA is…
A: The pH of a buffer (HA/A-) is determined using Henderson-Hasselbalch equation- pH = pKa +…
Q: The of formic acid is pKa 3.750. What is the Ka of formic acid?
A: The relationship between Ka and pKa is pKa = -log(Ka ) => Ka = 10-pKa
Q: pKb1 of 0.10 M chloroacetic acid 0.20 M carbonic acid 0.40 M citric acid
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Q: Crotonic acid is an organic weak acid. has a pka = 4.69 What is the Ka of Crotonic acid?
A: Given :- pKa for crotonic acid = 4.69 To calculate :- value of Ka
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: If the pKa for formic acid is 3.75 the ratio of formate (A) to formic acid (HA) at pH 4.15 is 5:1.…
A: Since you have posted a question with multiple subparts , we will solve the first three subparts for…
Q: which of these acids is the strongest? Ka for boric acid is 7.3 × 10–10 pKa of acetic acid is 4.75…
A: pKa of an acid is mathematically represented as shown below: pKa = -logKa Hence, we can write: Ka =…
Q: 3) . Which of the following carboxylic acid containing molecules has the largest pKa value? CI ÇI CI…
A: Concepts of acids and bases.
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: oth aspirin and salicylic acid are weak organic acid. The pKa of aspirin is 4.57, whereas, the pKa…
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Q: S-OH TSOH HO, acetic acid p-toluenesulfonic acid pKa = 4.8 pK = -7
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Q: The pka of formic acid is 3.750. What is the Ka of formic acid?
A: The pKa value is the value used to indicate the strength of an acid. It is the negative logarithm of…
Q: Given a solution of 0.0025 M HC2H3O2, Ka = 1.8 x 10^-5 a. Calculate the pH of the solution. b.…
A: The question is based on the concept of equilibrium. we have to calculate the pH of the acetic acid…
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: B) Consider the reaction Bi() + H3O* → BH + H20. For the following named bases: a) draw the…
A: Since no data is given. Hence I'm using appendix for the approximated value of pKa of conjugate…
Q: The Ka of acetic acid is 1.7 x 105. What is the pk, of acetic acid? The pka of formic acid is 3.750.…
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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 :…
Question number 5
pKa = -logKa
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- Given the following information determine which of these acids is the strongest? Ka for boric acid is 7.3 x 10–10 pKa of acetic acid is 4.75 Ka for lactic acid is 8.4 x 10–4 pKa of phenol is 9.89 A acetic acid B formic acid C lactic acid D phenolCalculate the pH of an acetic acid solution, originally 0.25 M, in water. The pKa for acetic acid = 4.76.If compound A has a ka of 3.0 x 10-11 , compound B has a ka of 1.1 x 10-10 and compound C has a ka of 1.8 x 10-5, which compound is the weakest acid?
- The pKa of formic acid is 3.75. What is the Ka of formic acid?The dissociation of lactic acid to lactate is shown in the reaction. Lactic acid has a pk, of 3.86. + H* HO OH OH Lactic acid Lactate A solution containing a mixture of lactic acid and lactate was found to have a pH of 3.32. Calculate the ratio of the lactate concentration to the lactic acid concentration in this solution. [lactate] [lactic acid] 0.301 What fraction of the lactic acid/lactate mixture is lactic acid? fraction lactic acid =The pKa of ascorbic acid (vitamin C, page 55) is 4.17, showing that it is slightly more acidic than acetic acid (CH3COOH, pKa 4.74). Compare the most stable conjugate base of ascorbic acid with the conjugate base of acetic acid, and suggest why these two compounds have similar acidities, even though ascorbic acid lacks the carboxylic acid (COOH) group.
- At pH 3.0, what percentage (in %) of lactic acid is in its deprotonated form? Hint: The pka of lactic acid is 3.86.The pH of a 0.12 M solution of acetic acid (HCH3CO2) is measured to be 2.83. Calculate the acid dissociation contant Ka of acetic acid.Will acetylene react with sodium hydride according to the following equation to form a salt and hydrogen, H,? Using pK, values given in Table 4.1, calculate K for this equilibrium. HC=CH + Na H- HC=C Na+ + H, Acetylene Sodium Sodium Hydrogen hydride acetylide