Sodium benzoate, NaC,H,COO, is used as preservatives in vinegar, soy sauce, etc. The pH of a 0.10 M aqueous solution of sodium benzoate is 8.60. What is the pk. of benzoic acid, CoH,COOH? A. 6.20 B.5.40 C.9.80 D.4.20

Q: 5. A typical aspirin tablet contains 325mg of acetylsalicylic acid (HC9H704) which is a weak acid.…

A: Aspirin is having carboxylic group which is a weak acid and partially dissociates into its…

Q: A sample of potassium acetate, KCH3CO2 (M=98), of mass 4.9 g is used to prepare 500 mL of solution.…

A: Answer: option b. 8.87 is the pH of the solution.

Q: What is the initial concentration of HC1?

A: Given :- concentration of NaOH = 0.140 M                Volume of NaOH = 16.4 mL…

Q: The [H3O*] in a cabernet sauvignon wine is 6.9 × 10-4 M. What is the hydroxide ion [OH]…

A: Given, the concentration of [H3O+] in a carbernet sauvignon in wine,[H3O+] =6.9×10-4 Mwe are asked…

Q: - Calculate the pH of a 0.0403 M KOH solution at each temperature. 30 °C pH= 5.9 ×10-16 Incorrect 40…

A:

Q: A commercial window-cleaning liquid has a pH of 11.7. What is the hvdroxide ion concentration?

A: Given: pH of solution = 11.7

Q: A 0.906 M solution of a weak base has a pH of 11.44. What is the base hydrolysis constant, Kb, for…

A:

Q: The pH of an aqueous solution of weak monoprotic acid is 3.15. What is the initial concentration of…

A: Given: The pH of weak mono-protic acid=3.15 pKa of the acid=5.74

Q: 9. Calculate the pH of a 0.10 M aqueous solution of acetic acid. (CH3COOH, 60.02 g/mol, K₂ = 1.8 x…

A: à

Q: Consider this reaction  H2SO4(aq) +2KOH(aq) ---> H2SO4(aq) ---->K2SO4(aq) +2H2O(l) Determine the…

A: We have to calculate the volume of KOH required to complete neutralization of given sample of…

Q: 3,6-Dichloro-2-methoxybenzoic acid (dicamba) is a widely used herbicide with the molecular formula…

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

Q: The pH of 0.125 M Na2X is 11.15 and the pH of 0.125 M H₂X is 2.55. Calculate pKai and pKaz for H₂X.

A: The pH of a solution is used to determine the acidity or alkalinity of a solution. The pH is simply…

Q: The active ingredient in many toilet bowl cleaners is simply hydrochloric acid. Hydrochloric acid is…

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

Q: b. The Ka of salicylic acid is The [H+] in the 0.1 M salicylic acid solution is M. The pH of a 0.1 M…

A: In this question we are dealing with two weak acids i.e aspirin and salicylic acid whose pka values…

Q: V. Milk of magnesia has a pH of 10.2. What is the [OH] of milk of magnesia? pH= 162 =) plO H)= 3.8…

A:

Q: 5. Identify the neutralization reaction below: A. Zn(OH)2 H2SO4 --> ZNSO4 + 2 H2O В. Zn(ОH)2 2AgCI…

A: