chemistry quesion   Why is potentiometry used to determine the acid dissociation constant (Ka) values of weak acids    don't copy I will downvote

Q: 0.5MHCI

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

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Q: The pH of a 0.14M solution of benzoic acid (HC,H,CO,) is measured to be 2.53. Calculate the acid…

A: Answer: 6.5693430657 × 10-5 is the acid dissociation constant (Ka) of benzoic acid.

Q: Please help with the last 3 part (18,19,20). Explain. Thanks

A: Enantiomers : These are the isomers having same structural formula but their mirror images are non…

Q: The pH of a 0.95M solution of benzoic acid (HC,H,Co,) is measured to be 2.11. Calculate the acid…

A: Given :  Concentration of benzoic acid solution = 0.95 M  pH of solution = 2.11  To calculate :-…

Q: Problem Solving. Solve the following problems, use GRESA format in answering A 0.0001 molar basic…

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Q: Soil water with 10-3Nalkalinity is in equilibrium with a soil gas in which PCO2 = 10-1 atm.…

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Q: (ii) equilibrium pH for a solution that contains 15.00 mL of 0.2000M of H,L* form of L-Leucine (i.e.…

A: Given that,  Average pka of leucine = 5.98 Molarity of NaOH solution  = 0.1 M Volume of NaOH…

Q: Given the Ka values, estimate the pKa value of each of the following acids without using a…

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Q: What is the AH° for the following reaction: H2O (1) + CH4 (g) --> CH;OH (I) + H2 (g) Given the AHf…

A: Consider the given reaction is as follows; H2O l + CH4 g → CH3OH l + H2 g The value of ∆H° for the…

Q: The pH of a 1.3 M solution of propanoic acid (HC,H,0,) is measured to be 2.37. Calculate the acid…

A: Since pH = -log[H+] Hence [H+] = 10-pH  = 10-2.37  = 4.27 X 10-3  HC3H5O2 -----> H+ + C3H5O2-…

Q: The structure of lactic acid is shown. Place an asterisk (*) next to the acidic hydrogen atom(s). H…

A: Lactic acid contains carboxyl (COOH) and hydroxyl (OH) functional groups. There are four types of…

Q: 17. Write the acid-base reaction which you would expect to take place with amantadine at pif-10. Be…

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Q: Why is the color violet/blue at pH near 7? Answer in 1 sentence.

A: Answer -   The colours from yellow to red indicate an acidic solution, colours blue to violet…

Q: The pH of a 0.23 M solution of acrylic acid (HC,H,CO,) is measured to be 2.44. Calculate the acid…

A: Let's set up an ICE table for the dissociation of acrylic acid:                       HCH3H3CO2 ⇌ H+…

Q: Use the References to access important values il needed tor this question. In the laboratory, a…

A: Here CH3COOH is weak acid.  Weak acid are those which does not dissociate completely in aqueous…

Q: HA, a weak acid with a single proton in a 0.050 M acid solution, ionizes by 16%. The ionization…

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Q: -69 The acid dissociation constant K, of hypobromous acid (HBrO) is 2.3x 10. Calculate the pH of a…

A: Consider the dissociation of hypobromous acid is as follows:                       HBrO   →     H+…

Q: Which of the following statements is/are correct at 25 °C? 1. Benzoate (C,H;O2) requires a Ka to…

A: To determine pH we need Ka or Kb value. Which among Ka or Kb is used depends on the nature of…

Q: Calculate the pH and Ka for HC₂H3O2 if in a 1.0000 M solution of HC₂H3O2 in water there is 0.99600 M…

A: pH :-  The negative logarithm to the base 10 of hydronium ion concentration , [H3O+] expressed in…

Q: [References] This question has multiple parts. Work all the parts to get the most points. Use the…

A: Kb is the base dissociation constant. Base dissociation constant measures how easily base…

Q: The pH of a 1.5 M solution of butanoic acid (HC,H,O2) is measured to be 2.32. Calculate the acid…

A: The dissociation of HC4H7O2 in aqueous solution can be expressed as,…

Q: Determine the dissociation constants for the acids. Express the answers in proper scientific…

A: We have to calculate the dissociation constant of acid.

Q: 16. Compute for the pH of a given body fluid, if the CHCO* = 0.024 and the PCO2= 0.013. Given the K…

A: Introduction :  Henderson Hasselbach equation is used for calculating the amounts of a weak acid and…

Q: What is the ph of a solution containing 9 grams of of hci (mw 36 amu) dissolved in 50 ml of water?

A: pH = - log [ H+ ]  In order to calculate the pH concentration of H+ must be determined  HCl --->…

Q: Use the information in the pK. table below to determine which side of the equilibrium is favored for…

A: The solution is given below -

Q: BIOMOLECULES - Please answer the questions properly. - Multiple choice 1. Assuming you are a biology…

A: The optimal pH range of a protein is the pH range in which the physiological activity of a protein…

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A: A reversible chemical reaction can move in either forward or backward direction. The stage of a…

Q: The pH of a 1.2M solution of benzoic acid (HC,H,CO,) is measured to be 2.06. Calculate the acid…

A: Benzoic acid is a weak acid that dissociates very weakly to form a weakly acidic solution. The…

Q: Consider two acids: HCO,H (formic acid, pK, = 3.8) and CgH;C0,H (benzoic acid, pK, = 4.2). Which…

A: Formic acid have highest Ka value .

Q: Using the Kb for NH3 (from Appendix G: Kb = 1.8 x 10-5), calculate the Ka for the NH4* ion. O 5.6 x…

A: Conjugate acid base pair :-  A pair of acid and base which differs by a proton is called conjugate…

Q: Determine the dissociation constants for the acids. Express the answers in proper scientific…

A: Note : As per our guidelines we are supposed to answer  first 3 part. Please repost other part as…

Q: A 10.0 ml of 2.0M sulfuric acid needs 12.5ml 25tds do of NaOH to neutralize it. compute for the ff.…

A: Given: Volume of sulfuric acid = 10.0 ml Molarity of sulfuric acid = 2.0 M Volume of NaOH = 12.5 ml

Q: Calculate the pH at 25 °C of a 0.26M solution of potassium acetate (KCH₂CO₂). Note that acetic acid…

A: Concentration of KCH3CO2 = 0.26 M pKa of HCH3CO2 = 4.76

Q: The value of Ka for acetic acid is 1.75 X 1025. Find Kb for acetate ion.

A: Given information,       Ka for acetic acid is 1.75 X 1025

Q: You are diligently doing an assignment  when a question comes up that had a pH of -1

A: The pH means 'power of hydrogen'. It is a measure of the acidic/basic character of a solution.   The…

Q: When pH type your answer.. SDS uniformly coats a protein in a type your answer. (choose from>,<,or-)…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 9. Determine the Ka

A: Answer is in step 2

Q: A 0.25 M solution of a weak acid has a measured pH = 2.55. On a separate piece of paper, determine…

A: Since you have posted multiple unrelated questions, we are entitled to answer the first only.

Q: If the Kb value for a weak base is 2.6*10^-4, what is the value of its conjugate acid?

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Q: Ka value for nitrous acid.

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Q: In an aqueous solution of a certain acid the acid is 0.22% dissociated and the pH is 4.39. Calculate…

A: Since it is not given that whether the acid is monoprotic, diprotic etc, we can assume it monoprotic…

Q: Prinde cerrect Puduct Br Naost r Ph A) PL noreaction Ph

A: Less substituted alkene is a major product. Hence correct option is A.

Q: If a solution has a hydroxide ion concentration of 1x10-10, the pH of the solution is? Show work.

A: Given, [OH-] = 1 x 10-10 We know, PH = -log [H+] POH = -[logOH-] POH = - log [1 x10-1] POH = - (log…

Q: Preview File Edit View Go Tools Window Help O Sun Aug 8 8:25 PM A bartleby.com A, Theodore E. Brown,…

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.