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

Q: Find the value of Kb for the conjugate base of the following organic acids.   a picric acid used…

A: Given: Ka for picric acid = 0.16 Ka for trichloroacetic acid = 0.20 We have to find the kb values…

Q: Nitromethane is a weak base. CH3NO2(aq) + H2O(1) = CH3NO2H+(aq) + OH¯(aq) A solution with a…

A: Concentration of nitromethane = [CH3NO2] = 0.0500 mol/L  pH of solution = 11.5  We need to determine…

Q: Predict the position of equilibrium and calculate the equilibrium constant, Keq, for each acid-base…

A: The reaction between methyl amine and acetic acid gives methyl ammonium ion and acetate ion. But the…

Q: MgBr 2) HaO*

A: The given reaction is acetophenone with ethyl magnesium bromide, in presence of H3O+. This reaction…

Q: 0.92 M

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

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: Salicylic acid, HOC6H4CO2H, and its derivatives have been used as pain relievers for a long time.…

A: Dissociation constant of acid (Ka) - In dissociation reaction of acid, ratio of concentration of…

Q: The compound WH2(C5H5)2 acts as a base, but TaH3(C5H5)2does not. Explain.

A: Base is defined as a chemical that has the capability to donate electrons. Also, base is electron…

Q: Sulphuric acid (H2SO4) has a PKa of -3. a) Write an equation showing how sulphuric acid can act as…

A: Sulphuric  acid is a very strong Acid as it can easily dissociate  into H+ ion .

Q: A 0.050 M solution of sodium meta-toluate (NaTol) has a pH of 8.47. What is the Kb of meta-toluate…

A: Sodium meta-toluate solution is formed on mixing of sodium hydroxide and meta-toluic acid. Sodium…

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

A:

Q: Consider two acids: HCO2H (formic acid, pKa = 3.8) and pivalic acid [(CH3)3CCO;H, pK = 5.UJ. (a)…

A: Given,  pKa of HCOOH = 3.8  pKa of (CH3)3CCOOH = 5.0  a). Which has the larger Ka value = ?  b).…

Q: 8.Which of the following is an acid?  HNO3  NH3  NaCl  CH4  NaOH

A: Arrhenius Concept of Acids and Bases  an acid is a substance which dissociates in aqueous solution…

Q: Calculate the pH of a 0.381 M solution of ethylenediamine (H, NCH, CH,NH,). The pK, values for the…

A:

Q: Which is the stronger base, (CH3)3N or H2BO3− and why?

A: Bronsted-Lowry acid-base theory: The Bronsted-Lowry acid-base theory states that the acid is a…

Q: Lactic acid, CH3CH(OH)COOH, has one acidic hydrogen. If a 0.114 M solution of lactic acid has a pH…

A: Given , Concentration of Lactic acid (C) = 0.114 M pH = 2.54  Dissociation constant of Lactic acid,…

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

A: Given information is as follows: pKa=9.99 Molarity = 0.195 M Determination of Ka from the given pKa…

Q: 2-Methylvaleric acid, CH3(CH2)2CH(CH3)COOH, has a pKa =4.9. Draw the skeletal structure of the…

A: The compound formed when an acid donates its H+ ion is called a conjugate base. The pKa value of…

Q: What is the ph of a 1.5M solution of chloroacetic acid? Ka is 1.4x10^-3

A: Ka=1.4*10^-3         CICH2COOH-------->CICH2COO-+H+ I                0.1…

Q: Calculate the pKa of each acid and indicate which is the stronger acid. C6O2H8, Ka = 1.7 x 10–5…

A: The strength of any particular acidic species relates with its potential to release proton that is…

Q: n of 0.024M. C

A: pH measures the solution that how much solution is acidic and basic when pH is greater than 7 then…

Q: Calculate the pH of a solution that is 0.112 M in sodium formate (NaHCO2) and 0.266 M in formic acid…

A: The given information is: Conc. of sodium formate (NaHCO2) = 0.112 M Conc. of formic acid (HCOOH) =…

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: When HBr reacts with equal moles of CH3NH2 is the resulting solution is Neutral Acidic Basic…

A: Substances that can liberate hydronium ions in solution is called an acid and those that release OH-…

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

A:

Q: What is the percent dissociation of acetic acid if the solution has a pH = 4.74 and a pK a = 4.74?…

A:

Q: Calculate the pH of a 0.600 M solution of methylamine CH3NH2.  Kb = 4.4 x 10–4

A: CH3NH2 is a base and CH3NH3+ is its conjugated acid. pKb of CH3NH2 is 4.4×10-4. Expression for Kb is…

Q: Complete the reaction by writing the formulas of the products. CH;COOH + NH, = The Ka of CH,COOH…

A:

Q: Calculate the pH of a solution that is 0.310 M in sodium formate (NaHCO2) and 0.190 M in formic acid…

A: Given: The concentration of sodium formate is 0.310 M. The concentration of formic acid is 0.190 M.…

Q: T he pH of aqueous 0.050M trimethylamine is 11.24, what is the K b of this base?  Trimethylamine…

A:

Q: 3. Dimethylamine (CH3)2NH is a weak base with a pKa of 11.0 Calculate the pH of a solution of…

A:

Q: The conjugate base of benzoic acid is ___________.

A: An acid after losing a proton turns into a conjugate base.

Q: 2-methylvaleric acid, CH3(CH2)2CH(CH3)COOH, has a pKa=4.9. draw the skeletal structure of the…

A:

Q: The normal pH range for blood plasma is 7.35–7.45. Under these conditions, would you expect the…

A:

Q: What is the hydronium-ion concentration of a 3.15 ✕ 10−4 M solution of p-bromobenzoic acid,…

A:

Q: Does the pH increase, decrease, or remain the same when each of the following is added? EXPLAIN:…

A: pH = -log[H+]  So the concentration of H+ increases pH of the solution decreases while when…

Q: Which is the stronger base between NH3 and H2O ,is low pka =strong base?

A: According to Lewis acid-base concept electron pair donors are bases and electron pair accepters are…

Q: hydronium-ion concentration of a 2.13 ✕ 10−4 M solution of p-bromobenzoic acid, BrC6H4COOH, for…

A: Degree of dissociation is the number of moles dissociated per unit concentration of any electrolyte.

Q: 0.050 M solution of sodium meta-toluate (NaTol) has a pH of 8.47. What is the Kb of meta-toluate…

A: Given data: pH of solution = 8.47 Concentration of NaTol = 0.05 M Formula used: pOH=-log[OH-] Kw =…

Q: pH

A:

Q: What is the pH of a 0.10 M solution of ethylamine at 25º C? The pKb of ethylamine at 25º C is 3.25.…

A: Ethylamine is a weak acid so it dissociates partially.

Q: Given the following data, Base K, NH3 1.8 x 10-5 CH3NH2 5.0 x 10 C6 H6 NH2 4.2 × 10-10 Calculate the…

A: Hey, since you have asked multiple question, we will solve the first question for you.  If you want…

Q: Calculate the pH of a 0.14 M solution of diethylamine

A:

Q: The conjugate acid of HSO4‒ in the reaction: HSO4‒ + H2O  H2SO4 + OH‒ H2SO4 H2O SO42‒ OH‒

A:

Q: Why is K2HPO4 a weaker base than KOH?

A: Here strong base is that dissociates cometely in aquous solution.  The base which doesent…

Q: 2-Methylvaleric acid, CH»(CH2)½CH(CH))COOH, has a pka =4.9. Draw the skeletal structure of the…

A: The skeletal structure of an organic compound is the series of atom that are bonded together forms…

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: Consider the following aqueous equilibrium. CH3CH2NH2(aq) + H20(1) = CH3CH2NH3*(aq) + OH (aq) What…

A: Since in the above reaction, the molecule CH3CH2NH2 is gaining 1 H+ to form CH3CH2NH3+ and H2O is…

Q: Calculate the pH of a 0.256 M solution of ethylenediamine (H,NCH,CH,NH, ). The pK, values for the…

A:

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.