(b) 0.15 moldm of benzoic acid (CeHsCOOH; Ka of benzoic acid = 6.3 x 10-5 moldm- %3D 3)

Q: a) Write a mathematical equation which shows how pH may be calculated. b) Distinguish between a…

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Q: Calculate the pH of a solution that is prepared by dissolving 0.174 mol of m-chlorobenzoic acid…

A: Given: Moles of C6H4ClCOOH = 0.174 mol Ka of C6H4ClCOOH = 1.00×10-4 Moles of HCN = 0.430 mol Ka of…

Q: Formula pH of a 0.01 mol/dm³ solution Name 2.91 Methanoic acid Ethanoic acid CH3COOH 3.39 CH3CH2COOH…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: Calculate the pH of a 0.150M solution of aniline, C₆H₅NH₂ ka=4.0E-10

A: Answer:Negative of logarithm of OH- ion concentration is equal to pOH, so,Also,

Q: 0.92 M

A: From Henderson equation we know that    pH = pKa + log [salt] / [acid ]   ............ (1)

Q: Determine the pH of each of the following solutions. Part A 0.14 moll -1 C6H5NH3CI (Kb(C6H5NH2) =…

A: The pH of a solution is the negative logarithm of H+ ion concentration.So,

Q: The Ka of propanoic acid (C₂H₂COOH) is 1.34 x 10-5. Calculate the pH of the solution and the…

A: We have to find out pH and equilibrium concentration of C2H5COOH.

Q: Write the expresson for the dissociation constant, Ka for an aqueous solution of butanoic acid.…

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Q: Calculating the Ka of a weak acid from pH The pH of a 0.51M solution of 4-chlorobutanoic acid…

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Q: Do you think the pH of 1.0 M tri-methyl ammonium (CH3)3NH", pKa 9.80, will be higher or lower than…

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Q: For H2CO3, Ka1 = 4.3 x 10-7, K22 = 4.7 × 10-11 What is the pH of a 0.15 M solution of carbonic acid?

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Q: What is the pH of a 0.190 M C6H5CO2H M solution if the K₂ of C6H5CO2H is 6.5 x 10-5?

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Q: Calculate the pH at 25 °C of a 0.18M solution of lidocaine HCI (C14H21 NONH₂C1). Note that lidocaine…

A: The question is based on the concept of the pH of the solution.It is defined as a negative logarithm…

Q: The K₂ for a base is 15.3 x 10-13. What is the Ka for its conjugate acid?

A: Given :- kb for a base = 15.3 × 10-13  To determine :- value of Ka for its conjugate acid

Q: Calculate the pH of a 0.35 M solution of hydrocyanic acid (HCN), which has a pKa of 9.31. Your…

A: Given, Concentration of HCN, [HCN]= 0.35 M pKa of HCN is 9.31 So, Ka = 10-pKa = 10-9.31 =4.90×10-10…

Q: At 25 °C, the methylammonium ion, CH3NH3*, has a Ka of 2.0 x 10-¹¹. What is the pH of a 0.45 mol.L-¹…

A: Methylamine CH3NH2 is a weak base It is not dissociate completely in aqueous solution…

Q: The pH of a 1.4M solution of trimethylacetic acid (HC(CH3),CO2) Calculate the acid dissociation…

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Q: 1. Write the products of the following reactions. If there is no reaction write NR. For full credit…

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

Q: Phenol, C6H5OH, has a Ka = 1.3x 10 -10 (a) Write out the Ka reaction for phenol (b) Calculate  Kb…

A: Answer:Any specie that loses H+ ion upon adding in water is called Bronsted-Lowry acid and the…

Q: The disinfectant phenol, C₆H₅OH, has a pKₐ of 10.0 in wa-ter, but 14.4 in methanol. (a) Why are the…

A: (a) Given, pKa of phenol in water is 10.0. pKa of phenol in methanol is 14.4. The reason for the…

Q: Calculate the pH of a 0.355 M solution of propanoic acid, for which the Ka value is 1.30 x 10-5.

A: Given : concentration = 0.355 M               Ka = 1.30 × 10-5

Q: Calculate the pH of a 0.315 M solution of propanoic acid, for which the Ka value is 1.30 x 10-5.

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Q: Quinine (C20H24N2O2) is the most important alkaloid derived from cinchona bark. It is used as an…

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Q: The acid dissociation constant Kof trimethylacetic acid (HC( (HC (CH₂)₂CO₂) is 9.33 × 10¯ Calculate…

A: Ka of trimethylacetic acid (HC(CH3)3CO2) = 9.33 × 10-6Concentration of trimethylacetic acid (C) =…

Q: Consider the following data on some weak acids and weak bases: acid base Ka K, name formula formula…

A: The solutions given are of KCl, CH3NH3Cl, NaCN and C2H5NH3Br.

Q: pH

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Q: Calculate the pH of a 1.8M solution of trimethylacetic acid.

A: Ka(acid dissociation constant) is the ratio of  product of concentration of products raised to their…

Q: The pH of a 0.49M solution of 4-chlorobutanoic acid (HC4HO₂Cl) is measured to be 2.42. Calculate the…

A:

Q: Determine the pH of a 0.375445 M C6H5CO2H M solution if the Ka of C6H5CO2H is 6.5 x 10-5.  Record…

A: Benzoic acid is a weak acid it gives very small concentration of H3O+ ion. We know  pH =-log [H3O+]

Q: What is the pH of 0.50 M aqueous ethylamine? (Ku of C₂H5NH₂ = 4.3 x 10-4)

A: The objective of this question is to calculate the pH of a 0.50 M aqueous solution of ethylamine…

Q: Calculate [OH-] of a 4.40×10-1 M aqueous solution of triethylamine ((C2H5)3N, Kb = 4.0×10-4).…

A: (C2H5)3N is a weak base. Hence it undergoes hydrolysis reaction in solution as, => (C2H5)3N (aq)…

Q: A base is found to have a Kb = 6.38 at 25 °C. What is the pKa (to two decimal places) of the…

A: Kb =6.38 at 25 0C We need to calculate the pKa of the conjugate acid.

Q: What is the pH of a solution that is 0.040 M formic acid and 0.10 M formate (the conjugate base)?…

A: The objective of this question is to calculate the pH of a solution containing both a weak acid…

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: Consider the following data on some weak acids and weak bases: acid base K. K, name formula name…

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Q: The pH of a 1.1 M solution of pentanoic acid (HC,H,O₂) is measured to be 2.40. Calculate the acid…

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Q: 0.21 M CH3NH3I (Kp (CH3NH2) = 4.4 × 10-4)

A: Given data: Dissociation constant of base (Kb) = 4.4 x 10-4  Concentration of CH3NH3I = 0.21 M…

Q: What is the pH of an acetic acid, CH3COOH, solution that has an initial concentration of CH3COOH of…

A: Acetic acid is a weak monoprotic acid. In water it is dissociated as acetate ion and protons.

Q: The acid dissociation constant K of trimethylacetic acid (HC(CH³)¸CO₂) is 9.33 × 10¯º. Calculate the…

A:

Q: HO он OH O The predominate form of benzene-1,2,3-tricarboxylic acid cannot be determined from the…

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Q: Calculate the pH and concentrations of CH,NH, and CH,NH† in a 0.0407 M methylamine (CH,NH,)…

A: CH3NH2 is a weak base. In water, the following equilibrium reactions happens:

Q: Calculate the pH and fraction of dissociation (a) for each of the acetic acid (CH3COOH, pKa = 4.756)…

A: We have to calculate PH and fraction of dissociation for acetic acid having PKa = 4.756 A) 0.00221M…

Q: What is the pH of a solution when 33.4 g of methylammonium chloride. CH3NH,CI, is dissolved in…

A: Provided dataVolume of solution is 514.2 mL or 0.5142 L.Mass of the sample(CH3NH3Cl) is 33.4…

Q: The pH of a 0.78M solution of benzoic acid (HCH,CO₂) is measured to be 2.15. Calculate the acid…

A: pH of the solution = 2.15 Concentration of benzoic acid (C) = 0.78 MKa of benzoic acid = ?

Q: Calculate the pH at 25 °C of a 0.62 M solution of lidocaine HCI (C₁4H₂, NONH,CI). Note that…

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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.