Diethylamine, (CH3CH2)2NH, has a Kb of 8.6 x 10-4.  What is the pH of a 0.22 M solution of diethylammonium chloride, [(CH3CH2)2NH2]Cl? Your answer should be to two places past the decimal point. A 0.15 M solution of an unknown monoprotic acid has a pH of 4.88, calculate the Ka for this unknown acid.  You should have two significant figures in your answer and your answer should be in the following format (i.e. 1.0e-3).

Q: Acetic acid reacts with NaOH. At equilibrium the [CH3COOH] = 0.536 and the [CH3COO-] = 0.208 Ka =…

A: The objective of this question is to calculate the pH of a solution of acetic acid (CH3COOH) and…

Q: 22.5 mL of a 0.200 M HBr solution was added to a 50.00 mL sample of 0.250 M Sodium benzoate…

A: Given that:         50.00 ML of 0.250m  NaC7H5O2         Molarity =molesvolume         moles of…

Q: 1,2-diaminoethane, H₂N-CH₂-CH₂-NH₂, is used extensively in the synthesis of compounds containing…

A: The dissociation reaction is given as,

Q: Acetic acid reacts with NaOH. At equilibrium the [CH3COOH] = 0.517 and the [CH3COO-] = 0.207 Ka =…

A: The objective of this question is to calculate the pH of a solution of acetic acid (CH3COOH) and…

Q: 4. Citric acid has three Ka values, Kal = 7.4 x 10-4, Ka2 = 1.7 x 10-5, and Ka3 = 4.0 x 10-7. Write…

A:

Q: Aspirin, also known as acetylsalicylic acid (ASA), Ka= 3.0 x 10-4, is a medication used to reduce…

A: The sodium salt of acetylsalicylic acid undergoes hydrolysis as: NaASA(-H)+H2O→NaOH+ASA

Q: + 2) HA is a weak acid. HA is dissociated to H and A in water. At equilibria, if the pH of the…

A: We know ,  PH = -log[H+] and log1 = 0

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

A:

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

A:

Q: A student has a sample of 0.50 M lactic acid (HC3H5O3). She adds 10 mL of this solution to 40 mL of…

A: Given : Concentration of lactic acid = 0.50 M Volume of lactic acid solution used = 10 mL = 0.010 L…

Q: The pH of 300 mL solution made of 0.58 M acetic acid and 0.66 M potassium acetate is (Ka = 1.8 x…

A:

Q: Calculate the pH of a 0.15-M NH₂OH (aq) solution. (NH₂OH PK₁ = 7.97) Be sure to write chemistry…

A:

Q: A 0.021 M solution of a weak acid (HA) has a pH of 4.84. What is the Ka of the acid?   (Enter your…

A: Consider the solution of a weak acid (HA) is as follows; Reaction:     HA aq    +    H2O l    ⇌…

Q: You have an aliquot of 10 mL of 0.1022 mol/L phosphoric acid.  The ka values for phosphoric acid are…

A: The objective of this question is to calculate the resultant pH of a solution after mixing…

Q: Benzoic acid C6H5COOH is a commonly used antimicrobial preservative in food and beverages,…

A:

Q: 9) HB has a Ka of 5.2 x 10-5 and HC has a Ka of 4.6 x 10-4 . Which solution will have a lower pH,…

A: Given : Ka of HB = 5.2 X 10-5  Ka of HC = 4.6 X 10-4  And concentration of HB = concentration of HC…

Q: Acetic acid reacts with NaOH. At equilibrium the [CH3COOH] = 0.532 and the [CH3COO-] = 0.203 Ka =…

A: The objective of this question is to calculate the pH of a solution of acetic acid (CH3COOH) and…

Q: You have an aliquot of 11 mL of 0.1093 mol/L phosphoric acid. The ka values for phosphoric acid are…

A: Volume of phosphoric acid = 11 mLMolarity of phosphoric acid sample = 0.1093 mol/LVolume of NaOH…

Q: pKa

A:

Q: A solution of 0.05 M in NH4CI and 0.03M in NH3, calculate its OH- concentration and its pH. (pKa…

A: Concentration of NH4+ = [NH4+] = 0.05 M Concentration of NH3 = [NH3] = 0.03 M OH- concentration of…

Q: Calculate the pH and concentrations of CH₂NH₂ and CH, NH in a 0.0335 M methylamine (CH₂NH₂)…

A: Answer:Value of pOH is always equal to the negative of logarithm of hydroxide ion concentration,…

Q: What is the pH of a buffer solution that is 0.26 M chloroacetic acid and 0.17 M sodium…

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

Q: ph of a 30.0 ml sample of 0.1 M HOAc is 3.22, what's the equilibrium [H+] and the Ka value?

A: Given :- pH is 3.22 of a 30.0 mL sample of 0.1 M HOAc. To calculate [H+] & Ka value.  Now, HOAc…

Q: What is the pH of a solution when 25 ml, 0.200 M of salicylic acid CeH:(OH)COOH is diluted to 100.0…

A: Given: Concentration of salicylic acid i.e. HA (Assuming it HA as its monoprotic acid) = 0.200 M…

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

A:

Q: Hydrogen cyanide, HCN, also called hydrocyanic acid is a weak acid with a pKa near 10. What would be…

A:

Q: A beaker contains a total concentration of 0.73 molar of weak acetic acid with pKa = 5.55 and pH =…

A: We would show dissociation equation of acetic acid and write ICE table to calculate the…

Q: Q5) Choose two of the following branches:- 1-What is the pH of a 0.100 M solution of sodium acetate?…

A:

Q: pH

A:

Q: Cyanohydric acid is a weak acid with Ka = 4 × 10-¹⁰. a) for 0.5 M hydrocyanic acid solution…

A:

Q: Calculate the pH of a buffer solution prepared by dissolving 0.83 mole of acid, HA, and 0.67 mole of…

A: Given data is as follows: The number of moles of HA acid = 0.83 mol The of moles of salt NaA = 0.67…

Q: What is the pH of a buffer solution that is 0.26 M chloroacetic acid and 0.17 M sodium…

A: Since chloroacetic acid is a weak monoprotic acid.

Q: a value of 7.2 x 10*. What is the pH to 2 decimal -f hydrofluoric acid with a concentration of 0.537…

A: We will calculate pH

Q: The equilibrium concentrations for a solution of the acid HA are [HA]=2.16 M, [A−]=0.0173 M, and…

A:

Q: Acetic acid reacts with NaOH. At equilibrium the [CH3COOH] = 0.412 and the [CH3COO-] = 0.247 Ka =…

A: The objective of this question is to calculate the pH of a solution of acetic acid (CH3COOH) and…

Q: A solution made with 0.137 moles of a triprotic acid (H3A, K1=9.15 × 10-2; Ka2=9.03 × 10-5;…

A: Diprotic acid pKa  = - log Ka  pKa1    = -log Ka1           =  - log (9.15 * 10-2 )          =…

Q: You have an aliquot of 11 mL of 0.1045 mol/L phosphoric acid.  The ka values for phosphoric acid are…

A: The objective of this question is to calculate the resultant pH of a solution after mixing…

Q: What is the Ka of a weak acid (HA) if the initial concentration of weak acid is 0.75 M and the pH is…

A:

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

A:

Q: Acetic acid reacts with NaOH. At equilibrium the [CH3COOH] = 0.549 and the [CH3COO-] = 0.211 Ka =…

A: The objective of this question is to calculate the pH of a solution of acetic acid (CH3COOH) and…

Q: Acetic acid reacts with NaOH. At equilibrium the [CH3COOH] = 0.487 and the [CH3COO-] = 0.236 Ka =…

A: The objective of this question is to calculate the pH of a solution of acetic acid and NaOH at…

Q: What is the pH of a buffer solution that is 0.31 M chloroacetic acid and 0.21 M sodium…

A: Handerson Hasselbalch equation –  Buffer solution is mixture of weak acid and its conjugate base.…

Q: Acetic acid reacts with NaOH. At equilibrium the [CH3COOH] = 0.532 and the [CH3COO-] = 0.203 Ka =…

A: The objective of this question is to calculate the pH of a solution of acetic acid (CH3COOH) and…

Q: الإنجليزية Q2// 1000 ml of o.1M hydrochloric acid were added to 1000 ml of o.IM ammonium hydroxide,…

A: Since we know that  pH + pOH = 14       and also  pOH =   pkb +  log[salt]/ [base]

Q: Acetic acid reacts with NaOH. At equilibrium the [CH3COOH] = 0.539 and the [CH3COO-] = 0.207 Ka =…

A: The objective of this question is to calculate the pH of a solution of acetic acid (CH3COOH) and…

Q: Calculate the pH of a solution when 32.0 mL of 0.200 M formic acid (HCOOH, Ka = 1.77 x 10-4) is…

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.