Sodium benzoate, NaC6H5COO (molar mass 144.1 g mol-1) is a common food preservative. The Ka of benzoic acid, C6H5COOH, is 1.6 X 10-5. A chemist titrates 25.00 mL of a stock solution of sodium benzoate, NaC6H5COO, with 1.20 M HCl solution using a pH meter and an indicator. (a)  Write the net ionic equation for the reaction of NaC6H5COO (aq) with HCl (aq).

Q: 32. Lactic acid (HC3H,O3) is a common constituent of a biologic systems. For example, it is found in…

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Q: Phenol, once known as carbolic acid, HC6H5O, is a week acid. It was one of the first antiseptics…

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Q: The active ingredient in aspirin is acetylsalicylic acid 1HC9H7O42, a monoprotic acid with Ka = 3.3…

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Q: A student forgot to label two bottles of aqueous base. One contained KOH and the other C6H5NH2. What…

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Q: The active ingredient in aspirin is acetylsalicylic acid (HC9H7O4), a monoprotic acid with a Ka of…

A:

Q: Sodium benzoate, NaC6H5COO (molar mass 144.1 g mol-1) is a common food preservative. The Ka of…

A: given - volume of NaC6H5COO = V1 = 25 ml volume of HCl = V2 = 16.67 ml conc. of HCl = C2 = 1.20…

Q: Acetaminophen, HC8H8NO2 (MM = 151.17 g/mol), is the active ingredient in Tylenol®, a common pain…

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Q: ydroiodic acid often is used to disinfect and sanitize medical tools and products. In an experiment,…

A: 1. the hydronium ion concentration of the resulting diluted solution = 0.15M 2. the pH of the…

Q: The active ingredient in aspirin is acetylsalicylic acid(HC9H7O4), a monoprotic acid with Ka = 3.3 x…

A:

Q: Strong and Weak Acids and Bases Citric acid is a stronger acid than carbonic acid. Which has a…

A: The acidic or basic nature of a solution is determined by its pH value. pH measures the…

Q: Sodium benzoate, NaC6H5COO (molar mass 144.1 g mol-1) is a common food preservative. The Ka of…

A: Molarity of a solution may b defined as the ratio of number of moles to the volume of solution in…

Q: 8.50g of the strong base, Ba(OH)2, (molar mass = 171.342 g/mol) was dissolved in enough water to…

A: Given : Mass of Ba(OH)2 = 8.50 g Molar mass of Ba(OH)2 = 171.342 g/mol Volume of solution = 500.0 mL…

Q: 0.5M calcium hydroxide usually referred as slake slime has applications in dental works, hair care…

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Q: 6. a) What is the pH of pure water at 35.0 °C? At this temperature Kw = 2.042 x 10-14. b) Based on…

A: (a) The chemical equation for self-ionization of water is: Thus,  At 25oC, Kw = 1.0 * 10-14 and…

Q: Which of the following is the pH of the solution containing 0.01 mol CH3COOH and 0.820 grams of…

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

Q: The pH of a white vinegar solution is 2.20. This vinegar is an aqueous solution of acetic acid with…

A: Concentration of H+ can be calculated as follows:

Q: A solution containing 0.15 M sodium ascorbate, NaC6H7O6, has a pH of 8.65. What is the Kb for the…

A: Given: Concentration of NaC6H7O6 = 0.15 M And pH of solution = 8.65

Q: NaCLO(s) dissociates when it dissolves in water: NaClO(s) + H2O(l) →Na+(aq) + ClO−(aq) and in water…

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Q: A solution of acetic acid, HC2H3O2, on a laboratory shelf was of undetermined concentration. If the…

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Q: Sodium bisulfate, NaHSO4, is used in some household cleansers as a source of HSO4- ion, a weak acid.…

A: Given:  Concentration of HSO4- = 0.75 M

Q: Aspirin (acetylsalicylic acid) is absorbed from the stomach in the free (non-ionized) acid form. If…

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Q: 5) On an episode of CSI Miami, a murder is committed by pushing a guy into a pool that is "alkali."…

A: Given that: Mass of NaOH added = 36.287 kg Molar mass of NaOH = 40 g/molVolume of pool = 2,500,000 L…

Q: At 10°C, the ion-product constant of water, K w, is 6.88 × 10 –15. What is the pH of pure water at…

A: Autoionization of water takes place as follows: The product of the concentration of the hydronium…

Q: 3. The carbonate buffer system in the blood uses the following reaction: H2CO3(aq) HCO3 (aq) +…

A: Given,  Concentration of H2CO3 = [H2CO3] = 0.0012 M Concentration of HCO3- = [HCO3-] = 0.024 M pKa…

Q: Phenol, once known as carbolic acid, HC6H5O is a weak acid. It was one of the first antiseptics used…

A:

Q: Sodium benzoate, NaC6H5COO (molar mass 144.1 g mol-1) is a common food preservative. The Ka of…

A: IMPORTANT POINTS: Firstly 25 ml  of the stock solution was taken , which was titrated with HCl…

Q: Aniline, C6H5NH2, is a weak base with K, = 3.8 x 10-10. What is the pH of 0.750 M anilinium chloride…

A: Anilinium chloride is a salt made from strong acid HCl and weak base aniline.  So, solution of…

Q: (a) What is the pH of 0.75 M NaF?(b) What is the pH of 0.88 M pyridinium chloride, C₅H₅NHCl?

A: a) The pH of 0.75 M NaF is 8.52.

Q: Sulfurous acid, H2SO3, is a diprotic acid Ka1 = 1.3 × 10-2 and Ka2 = 6.3 × 10-8. The acid forms when…

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Q: What is the pH of a solution made by adding 0.45 mol of hydrocyanic acid (HCN) and 0.35 mol of…

A: For a solution containing weak acid and its conjugate base, pH is given by Henderson Hasselbalch…

Q: Phenol, once known as carbolic acid, HC6H5O, is a weak acid. It was one of the first antiseptics…

A: Since phenol is weak acid so it will feebly ionised . C6H5OH  →C6H5O-      +   H+

Q: A typical aspirin tablet contains 325 mg acetylsalicylic acid. Calculate the pH of a solution that…

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Q: Acetic acid (CH3COOH) is a product of many microbial metabolisms. It forms acetate ion and a…

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Q: Sodium benzoate, NaC6H5COO, is used as preservatives in vinegar, soy sauce, etc. The pH of a 0.10 M…

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Q: Calculate the acid ionization for Ka for propionic acid, HC3H5O2. The pH of a 0.012 M aqueous…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Phenol, once known as carbolic acid, HC6H5O, is a weak acid. It was one of the first antiseptics…

A: The molecular formula of phenol or carbolic acid is HC6H5O. The acid dissociation constant for the…

Q: A solution of sodium cyanide, NaCN, has a pH of 11.90. How many grams of NaCN are in 615 mL of a…

A: Given, The pH of the solution = 11.90 The volume of  NaCN = 615 mL = 0.615 L The molar mass of NaCN…

Q: A 0.018 M solution of salicylic acid, HOC6H4CO2H, has the same pH as 0.0038 M HNO3solution. (a)…

A: Given information,        Concentration of salicylic acid, HOC6H4CO2H = 0.018 M

Q: Aspirin (acetylsalicylic acid) is absorbed from the stomach in the free (non-ionized) acid form. If…

A: Given : pKa of aspirin=3.50 pH of stomach=2.95

Q: Ammonium nitrate NH4NO3 is a salt used in fertilizers and in making matches. The salt is made by the…

A: Whenver an acid and base reacts with each other than they form salt and water and the process is…

Q: 1. (1 point) The [H+] of°coffee is about Ix 10. Its pH is 2. (1 point) The [OH-] of baking soda is…

A: Required formulas: pH = -log[H+] pOH = -log[OH-] pH + pOH = 14

Q: |Calculate the pH of a 7.2 × 10 ´ M aqueous solution of aluminum chloride, AIC13. The acid…

A: pH - pH is defined as negative logarithm to the base 10 of H+ ion concentration. Or pH can also be…

Q: Sodium benzoate, NaC6H5COO (molar mass 144.1 g mol-1) is a common food preservative. The Ka of…

A: We have around us various solutions. It consists of the dissolution of several compounds. Both sides…

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A: Hemoglobin is the only protein in the human body that helps in the oxygen transportation throughout…

Q: a) What is the pH of a solution prepared by adding 11.1 mL of 0.50 M NaOH solution to 200. mL of a…

A: The question is based on the concept of buffer solution.   A buffer is a solution which resist any…

Q: 2.Aspirin (acetylsalicylic acid) is absorbed from the stomach in the free (non-ionized) acid form.…

A: The given data contains, pH = 2.59. pKa = 3.5

Q: The pH of an aqueous solution of 0.365 M ethylamine (a weak base with the formula C2H5NH2) is . ---…

A: The pH scale in chemistry is used to determine the acidity or basicity of an aqueous solution. The…

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.