The pka of formic acid is 3.750. What is the Ka of formic acid?

Q: 1. When comparing two compounds, the compound with smaller pka value means that it is

A: pKa = -log Ka  log Ka = -pKa  Ka = 10-pKa

Q: NaSCH3, DMSO, r.t. ...|CI е. -D NaOCH3, HOCH3 heat H f. H Br NaOCH3, HOCH3 heat DIl Ph Ph d.

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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 pKa of an acid?  As the pKa value increases, does the acid strength increase or…

A: The pKa value is  method used for indicate the strength of an acid. pKa is the negative log of the…

Q: Amphetamine (C9H13N) is a weak base with a pKb of 4.2. a) Calculate the pH of a solution containing…

A: 225 mg/L = 0.225 g/LMolar mass of amphetamine = 135.2 g/molConcentration of amphetamine = given mass…

Q: What steps would you need to take to calculate the pKa1 and pKa2 of something?  For example:…

A: We can use acid-base titration experiment to find the pKa value of any acid: monoprotic, diprotic,…

Q: Pentapeptide has a sequence GRIND -Draw the pentapeptide in its proper ionization state at pH 7.0…

A: The question is based on the concept of biomolecules. we have to draw the structure of the given…

Q: G2– is a strong base. Calculate the following quantities for a 0.00379 M solution of G2–. [G2–]…

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Q: Tyrosine, Tyr, Y coot 1 8P + PO - соо H₂N-C-HH3N"-"C-H = H₂N-C-H CH₂ 1 CH₂ PH-Pha= 2.20 OH (+1) CONS…

A: The isoelectric point of an amino acid is the pH at which the amino acid has a neural charge...

Q: Acid Ka pKa A H3PO4 7.5x10-3 HCIO 3.5x10-8

A: The equilibrium constant of an acid can be given by Ka values. pKa values give the potential of the…

Q: Phenol has a pka of 9.92 and a ρ value of 2.25. Determine the Ka of 3,4-dinitrophenol.

A: Determination of Ka value of 3,4-dinitrophenol is given below.

Q: A weak acid has a pKa of 6.44. If the pH of the solution is 7.22, what percentage of the acid is…

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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: If the pH is 2, what is the %HA at of a molecule has a pKa = 4? Report the answer to one dpcimal…

A: Given : pH of solution = 2  And pKa of acid = 4. The partial dissociation reaction of HA can be…

Q: If an acid with a pKa of 5.3 is in an aqueous solution of pH 5.7, what percentage of the acid is…

A: Henderson Hasselbalch equation is given below. During a dissociation of acid in aqueous solution,…

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: If the pKa of an acid is 3.29 what is the aka of the acid? 1950 0.303 0.517 5.13x10^-4

A: pKa = -LogKa                       This is our working formula…

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

A: phenol is a weak acid and will form a buffer solution as it gives phenoxide ions in the presence of…

Q: Calculate the pH of a 0.12 M solution of hydrocyanic acid (HCN), which has a pKa of 9.31.

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Q: Below shows the structure of phenylalanine at a physiological pH of 7.35.  a. The formal charge on…

A: The formal charge can be calculated as follows: Formal charge= [Total valence e– ] – [Total lone…

Q: What is the Ka of an acid that has a pKa value equal to 3.93?

A: The pKa value as the negative logarithm of the Ka value: pKa = -log Ka. If we already know the pKa…

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: 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: Question 2 Which of the following statements are FALSE? Multiple answers: Multiple answers are…

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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: 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: Calculate the pH of a 0.2 M solution of an amine that has a pKa of 9.5

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Q: Molecule A is C6H9O2F and an aqueous solution of 0.0130 M of molecule A has a pH of 1.0 .  Calculate…

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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: Calculate the pH of a 0.20 M HA solution, given the pKa of HA is 2.22.

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Q: Calculate Ka for each of the following acids, given its pKa. Rank the compounds in order of…

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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: Which is a stronger acid: one with a pKa of 5.2 or one with a pKa of 5.8?

A: The value of dissociation constant of acids tells us about the acidic strength of acids. The acid…

Q: Benzoic acid has a pKa = 4.20 at a pH of 6.20 the ratio [A-]/[HA] is what? O 1:100 1:50 1:10 1:1

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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: H H-C-COOH pKa 2.34 NH3 pka = 9.60 A) 7.50 В) 3.63 C) 5.97 D) 7.26 E) 11.94

A: NOTE: There is a typo error in the question. It will be Pi of glycine and not pain. Pi means the…

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: Methanol has a pKa of 15.5. Calculate its Ka

A: Given: pKa of methanol = 15.5

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: 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: 4-chlorophenol has a pka of 9.41 and diethylmethylamine has a pKb of 3.65. A 1.OM solution of…

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Q: What percent of acetic acid is present in the acidic form at pH 5.0, assuming a pKa of 4.8?

A: Given,pH = 5.0pka = 4.8

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 :…

Q: I want a chiral acid with a molar mass=98

A: