A 0.025 M solution of an unknown organic acid has a pH of 2.75. By means of a full calculation, determine the value of the ionisation constant of the conjugate base of this acid.. - You may use "HA" to denote the formula of the acid. - You may make certain assumptions to simplify your calculations

Q: Look up the appropriate Ka1 and Ka2 values for oxalic acid andascorbic acid, and repeat these…

A: The first and second dissociation constants of oxalic acid have been mentioned as follows-

Q: How does the change of color in indicators define the acidity or basicity of solution put into it?

A: It is Substance in which acid or base is added then due to difference in pH indicators changes it's…

Q: the following expressions for K. Write your answer on a separate sheet of paper. 10 (pCO,) (pH,0)²…

A: Equilibrium constant is of three types  A. Equilibrium constant in terms of pressure, Kp. B.…

Q: The acid dissociation constant K, of acetic acid (HCH,CO,) is 1.8 x 10°. -5 Calculate the pH of a…

A: Since acetic acid is weak monoprotic acid. Hence it will dissociate partially as per the reaction…

Q: 1) Calculate the pH of a solution prepared by dissolving 2.20 g of sodium acetate, CHCOONA, in 78.0…

A: Given: mass of sodium acetate=2.20 gvolume of acetic acid=78.0 mLmolarity=0.10 MKa=1.75×10-5 To…

Q: an aqueous solution containing 3 grams of CH3COOH in 500 ml of it and having a pH = 3 solution of…

A: Given that,  pH of 500 mL solution containing 3 g CH3COOH = 3 Molarity of CH3COOH solution = (3…

Q: In the laboratory, a general chemistry student measured the pH of a 0.468 M aqueous solution of…

A: Methylamine is a weak base and in water, it reacts in the following manner, CH3NH2 + H2O ↔CH3NH3+ +…

Q: Calculate the pH of a solution containing 0.10 mol/L ammonia, NH,. Kb for ammonia is 1.8x10-.

A: The concentration of ammonia = 0.10 mol/L = 0.10 M (mol/L = M) Kb for ammonia, NH3 = 1.8×10−5

Q: Write the equilibrium reaction for the ionization of the following acids/bases and write the law of…

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

Q: Calculate the pH of the solution, where the acetic acid is x10 stronger than acetate.

A: In chemistry, pH is defined as the potential of hydrogen ion. It is the negative logarithm of…

Q: Write a conclusion about the strengths of acid and base due to its condutivity , electrolytes , and…

A: Acids are sour in taste. They can provide protons (H+ or H3O+ ions) in their aqueous solutions. Also…

Q: Reverse the concentrations of the weak acid and conjugate base for 0.25 M HC2H3O2 and 0.030 M…

A: Case 1: Concentration of weak acid and conjugate base are as follows: [CH3COOH] = 0.25 M [CH3COONa]…

Q: 0.1 M Na2CO3 solution, using the given pH data, write expression for equilibrium constant (Ka or…

A: As the pH of Na2CO3 is 11.0 which means that it is basic in nature.

Q: A solution is prepared by diluting 28.6mL of 15.98 molar nitric acid in a total volume of 500mL.…

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Q: A chemist takes 8.579 mL of liquid acetic acid, CH₃COOH (molar mass: 60.052 g/mol) with 1.05 g/mL…

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Q: With the help of a schematic diagram representing the titration of samples contanining various forms…

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Q: A scientist notices an occurrence of acid shock in a body of water that sits close to an in-…

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Q: 1) Calculate the pH of a solution prepared by dissolving 1.60 g of sodium acetate, CH;COONa, in 64.0…

A: Answer:- This question is answered by using the simple concept of calculation of pH of solution…

Q: Calculate the pH of a solution prepared by dissolving 1.75 g of sodium acetate, CH3COON,, in 53.5 mL…

A: Given,  Mass of CH3COONa = 1.75 g  Molarity of CH3COOH = 0.15 M  Volume of CH3COOH = 53.5 mL  Acid…

Q: 10.0 cm³ of a solution of a strong acid with a pH of 3 is added to a volumetric flask and the total…

A: Given data: Volume of acid before adding water = 10 cm3 = 0.01 dm3  pH before dilution = 3 Volume of…

Q: In the laboratory, a general chemistry student measured the pH of a 0.353 M aqueous solution of…

A: In order to find the Kb of the given compound we first write down the given data: pH= 12.146.…

Q: The ionization constant, K for HCN(aq) is 7.7 x 10 10, What is the pH of a 0.17 molar solution of…

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Q: I. In the Henderson-Hasselbalch equation, the pH is equivalent to the pK, if the ratio of moles of…

A: pH of solution is defined as negative logarithm of hydrogen ions in the solution. pH means power of…

Q: 0.1 M NH4CI solution, using the given pH data, write expression for equilibrium constant (Ka or Kb):

A: Net ionic reaction for the hydrolysis reaction in NH4Cl is given below NH4+​​​​​​​(aq) +…

Q: In the laboratory, a general chemistry student measured the pH of a 0.354 M aqueous solution of…

A: Given that: pH = 0.354 [C8H10N4O2] = 12.063 To find: Kb

Q: The value of K, for phenol (a weak acid) is 1.00×10-10. What is the value of Kp, for its conjugate…

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Q: A0.1000M solution of ethanoic acid is only partially ionized. Using measurements of the pH of the…

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Q: Utilizing stoichiometry, the equivalence point volume and the concentration of sodium hydroxide,…

A: When acid - base Titration take place between sodium hydroxide, base and Hydrochloric acid, acid…

Q: Calculate the pH of a solution prepared by dissolving 0.482 mol of benzoic acid and 0.104 mol of…

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The…

Q: Calculate the pH of a solution prepared by dissolving 0.150 mol of acetic acid and 0.300 mol of…

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Q: Calculate the pH of a solution that is 0.135M benzoic acid and 0.260M sodium benzoate, a salt whose…

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Q: LAI 298 15 K, the acid dissociation constant, Aas for propanoic acid, CH3CH,COOH, is 1.35 x 10 Write…

A: Propanoic acid is a weak acid, it does not dissociate completely.

Q: In the laboratory, a general chemistry student measured the pH of a 0.522 M aqueous solution of…

A: pH is defined as negative logarithm of hydrogen ions.

Q: A solution of sodium acetate (NACH2COO) has a pH of 9.62. The acid-dissociation constant for acetic…

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Q: A scientist notices an occurrence of acid shock in a body of water that sits close to an industrial…

A: Correct option is (C) explanation is given below

Q: Calculate the pH and pOH of a solution resulting from dissolving 0.75 grams of perchloric acid in…

A: Given: Mass of perchloric acid i.e HClO4 = 0.75 g And volume of solution = 1500 mL = 1.500 L…

Q: The equivalence-point pH is NOT 7.00 here. Why not??

A: Acid-base titration is an analytical technique utilized to determine the unknown concentration of an…

Q: The ionization constant of acetic acid HC2H3O2 is 1.8 x 10-5. What will be the pH of a 0.10 M…

A: Given, The ionization constant of acetic acid HC2H3O2 is 1.8 x 10-5 0.10 M HC2H3O2 and 0.10 M in…

Q: Is it possible for an aqueous solution to have a pH of 0 or even less than 0? Explain your answer…

A: pH : 1. pH of an aqueous solution depends on the concentration of H+ ions. pH = -log [H+] 2.…

Q: Rainwater is acidic because CO2(g) dissolves in the water, creating carbonic acid, H2CO3. If the…

A: Given: Raindrop pH = 5.60 Sum of [H2CO3], [HCO3-] and [CO32-] = 1.0×10-5 M

Q: Construct the expression for Ka for the weak acid, NH,*. NH,*(aq) + H,0(I0) = H,0*(aq) + NH;(aq) 1…

A: The hydrolysis or ionisation reaction of weak acid is given as, => NH4+ (aq) + H2O (l) ------>…

Q: Pyridinium bromide (C5H5NHBr) is a strong electrolyte that dissociates completely into C5 H5NH+ and…

A: pH of pyridinium bromide solution = 3.10 Kb for pyridine = 1.7×10–9

Q: A chemist takes 8.579 mL of liquid acetic acid, CH₃COOH (molar mass: 60.052 g/mol) with 1.05 g/mL…

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Q: The simplest amino acid is glycine, H2NCH2CO2H. The common feature of amino acids is that they…

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Q: In the laboratory, a general chemistry student measured the pH of a 0.591 M aqueous solution of…

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Q: Calculate the PH of a solution that is 0.175 M benzoic acid and 0.110M sodium benzoate, a salt whose…

A: An acidic substance is the substance that can give H+ ions. They are corrosive and sour in nature.…

Q: prepared

A: Equilibrium Reaction is :  F^-(aq) + H2O(l) <------> HF(aq) + OH-(aq)    Major species are :…

Q: A solution is prepared at 25 °C that is initially 0.30 M in benzoic acid (HC,H,Co,), a weak acid…

A: Step 1: The given solution is a buffer of weak acid and its conjugate base. So, the Handerson…