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OWLv2 for Ebbing/Gammon's General Chemistry, 11th Edition, [Instant Access], 1 term (6 months)
11th Edition
ISBN: 9781305673939
Author: Darrell Ebbing; Steven D. Gammon
Publisher: Cengage Learning US
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Chapter 16, Problem 16.8QP
Write the equation for the ionization of aniline, C6H5NH2, in aqueous solution. Write the expression for Kb.
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Chapter 16 Solutions
OWLv2 for Ebbing/Gammon's General Chemistry, 11th Edition, [Instant Access], 1 term (6 months)
Ch. 16.1 - Lactic acid, HC3H5O3, is found in sour milk, where...Ch. 16.1 - What are the concentrations of hydrogen ion and...Ch. 16.1 - What is the pH of an aqueous solution that is...Ch. 16.1 - You have prepared dilute solutions of equal molar...Ch. 16.2 - Sulfurous acid, H2SO3, is a diprotic acid with Ka1...Ch. 16.3 - Quinine is an alkaloid, or naturally occurring...Ch. 16.3 - What is the hydronium-ion concentration of a 0.20...Ch. 16.3 - Prob. 16.2CCCh. 16.4 - Consider solutions of the following salts: a....Ch. 16.4 - Calculate the following at 25C, using Tables 16.1...
Ch. 16.4 - Benzoic acid, HC7H5O2, and its salts are used as...Ch. 16.4 - Which of the following aqueous solutions has the...Ch. 16.5 - The chemical equation for the hydrolysis of...Ch. 16.5 - What is the concentration of formate ion, CHO2, in...Ch. 16.5 - One liter of solution was prepared by dissolving...Ch. 16.6 - What is the pH of a buffer prepared by adding 30.0...Ch. 16.6 - Suppose you add 50.0 mL of 0.10 M sodium hydroxide...Ch. 16.6 - Prob. 16.5CCCh. 16.6 - The beaker on the left below represents a buffer...Ch. 16.7 - What is the pH of a solution in which 15 mL of...Ch. 16.7 - What is the pH at the equivalence point when 25 mL...Ch. 16.7 - Prob. 16.16ECh. 16 - Write an equation for the ionization of hydrogen...Ch. 16 - Prob. 16.2QPCh. 16 - Briefly describe two methods for determining Ka...Ch. 16 - Describe how the degree of ionization of a weak...Ch. 16 - Prob. 16.5QPCh. 16 - Phosphorous acid, H2PHO3, is a diprotic acid....Ch. 16 - Prob. 16.7QPCh. 16 - Write the equation for the ionization of aniline,...Ch. 16 - Which of the following is the strongest base: NH3,...Ch. 16 - Do you expect a solution of anilinium chloride...Ch. 16 - Prob. 16.11QPCh. 16 - The pH of 0.10 M CH3NH2 (methylamine) is 11.8....Ch. 16 - Define the term buffer. Give an example.Ch. 16 - What is meant by the capacity of a buffer?...Ch. 16 - Prob. 16.15QPCh. 16 - If the pH is 8.0 at the equivalence point for the...Ch. 16 - Which of the following salts would produce the...Ch. 16 - If you mix 0.10 mol of NH3 and 0.10 mol of HCl in...Ch. 16 - Hydrogen sulfide, H2S, is a very weak diprotic...Ch. 16 - If 20.0 mL of a 0.10 M NaOH solution is added to a...Ch. 16 - Aqueous Solutions of Acids, Bases, and Salts a For...Ch. 16 - The pH of Mixtures of Acid, Base, and Salt...Ch. 16 - Which of the following beakers best represents a...Ch. 16 - You have 0.10-mol samples of three acids...Ch. 16 - Prob. 16.25QPCh. 16 - You have the following solutions, all of the same...Ch. 16 - Prob. 16.27QPCh. 16 - A chemist prepares dilute solutions of equal molar...Ch. 16 - Prob. 16.29QPCh. 16 - Prob. 16.30QPCh. 16 - You are given the following acidbase titration...Ch. 16 - The three flasks shown below depict the titration...Ch. 16 - Write chemical equations for the acid ionizations...Ch. 16 - Write chemical equations for the acid ionizations...Ch. 16 - Acrylic acid, whose formula is HC3H3O2 or...Ch. 16 - Heavy metal azides, which are salts of hydrazoic...Ch. 16 - Boric acid, B(OH)3, is used as a mild antiseptic....Ch. 16 - Formic acid, HCHO2, is used to make methyl formate...Ch. 16 - C6H4NH2COOH, para-aminobenzoic acid (PABA), is...Ch. 16 - Barbituric acid. HC4H3N2O3, is used to prepare...Ch. 16 - A solution of acetic acid, HC2H3O2, on a...Ch. 16 - A chemist wanted to determine the concentration of...Ch. 16 - Hydrofluoric acid, HF, unlike hydrochloric acid,...Ch. 16 - Chloroacetic acid, HC2H2ClO2, has a greater acid...Ch. 16 - What is the hydronium-ion concentration of a 2.00...Ch. 16 - What is the hydronium-ion concentration of a 3.00 ...Ch. 16 - Phthalic acid, H2C8H4O4, is a diprotic acid used...Ch. 16 - Carbonic acid, H2CO3, can be found in a wide...Ch. 16 - Write the chemical equation for the base...Ch. 16 - Write the chemical equation for the base...Ch. 16 - Butylamine, C4H3NH2 is a weak base. A 0.47 M...Ch. 16 - Trimethylamine, (CH3)3N, is a gas with a fishy,...Ch. 16 - What is the concentration of hydroxide ion in a...Ch. 16 - What is the concentration of hydroxide ion in a...Ch. 16 - Note whether hydrolysis occurs for each of the...Ch. 16 - Note whether hydrolysis occurs for each of the...Ch. 16 - Prob. 16.57QPCh. 16 - Prob. 16.58QPCh. 16 - For each of the following salts, indicate whether...Ch. 16 - Note whether the aqueous solution of each of the...Ch. 16 - Decide whether solutions of the following salts...Ch. 16 - Decide whether solutions of the following salts...Ch. 16 - Obtain a the Kb value for NO2; b the Ka value for...Ch. 16 - Prob. 16.64QPCh. 16 - What is the pH of a 0.025 M aqueous solution of...Ch. 16 - Calculate the OH concentration and pH of a 0.0025...Ch. 16 - Calculate the concentration of pyridine, C5H5N, in...Ch. 16 - What is the pH of a 0.30 M solution of...Ch. 16 - Calculate the degree of ionization of a 0.75 M HF...Ch. 16 - Calculate the degree of ionization of a 0.22 M...Ch. 16 - What is the pH of a solution that is 0.600 M HCHO2...Ch. 16 - What is the pH of a solution that is 0.20 M KOCN...Ch. 16 - What is the pH of a solution that is 0.10 M CH3NH2...Ch. 16 - What is the pH of a solution that is 0.15 M...Ch. 16 - A buffer is prepared by adding 39.8 mL of 0.75 M...Ch. 16 - A buffer is prepared by adding 115 mL of 0.30 M...Ch. 16 - What is the pH of a buffer solution that is 0.10 M...Ch. 16 - A buffer is prepared by mixing 525 mL of 0.50 M...Ch. 16 - What is the pH of a buffer solution that is 0.15 M...Ch. 16 - What is the pH of a buffer solution that is 0.10 M...Ch. 16 - What is the pH of a buffer solution that is 0.15 M...Ch. 16 - What is the pH of a buffer solution that is 0.15 M...Ch. 16 - How many moles of sodium acetate must be added to...Ch. 16 - How many moles of hydrofluoric acid, HF, must be...Ch. 16 - What is the pH of a solution in which 15 mL of...Ch. 16 - What is the pH of a solution in which 35 mL of...Ch. 16 - A 1.24-g sample of benzoic acid was dissolved in...Ch. 16 - A 0.400-g sample of propionic acid was dissolved...Ch. 16 - Find the pH of the solution obtained when 32 mL of...Ch. 16 - What is the pH at the equivalence point when 22 mL...Ch. 16 - A 50.0-mL sample of a 0.100 M solution of NaCN is...Ch. 16 - Sodium benzoate, NaC7H5O2, is used as a...Ch. 16 - Calculate the pH of a solution obtained by mixing...Ch. 16 - Calculate the pH of a solution obtained by mixing...Ch. 16 - Salicylic acid, C6H4OHCOOH, is used in the...Ch. 16 - Cyanoacetic acid, CH2CNCOOH, is used in the...Ch. 16 - A 0.050 M aqueous solution of sodium hydrogen...Ch. 16 - A 0.10 M aqueous solution of sodium dihydrogen...Ch. 16 - Prob. 16.99QPCh. 16 - Calculate the base-ionization constants for PO43...Ch. 16 - Calculate the pH of a 0.072 M aqueous solution of...Ch. 16 - Calculate the pH of a 0.10 M aqueous solution of...Ch. 16 - An artificial fruit beverage contains 11.0 g of...Ch. 16 - A buffer is made by dissolving 12.5 g of sodium...Ch. 16 - Blood contains several acid base systems that tend...Ch. 16 - Codeine, C23H21NO3, is an alkaloid (Kb = 6 2 109)...Ch. 16 - Calculate the pH of a solution obtained by mixing...Ch. 16 - Calculate the pH of a solution made up from 2.0 g...Ch. 16 - Find the pH of the solution obtained when 25 mL of...Ch. 16 - What is the pH of the solution obtained by...Ch. 16 - Ionization of the first proton from H2SO4 is...Ch. 16 - Ionization of the first proton from H2SeO4 is...Ch. 16 - Methylammonium chloride is a salt of methylamine,...Ch. 16 - Sodium benzoate is a salt of benzoic acid,...Ch. 16 - Each of the following statements concerns a 0.010...Ch. 16 - Each of the following statements concerns a 0.10 M...Ch. 16 - A 0.288-g sample of an unknown monoprotic organic...Ch. 16 - A 0.239-g sample of unknown organic base is...Ch. 16 - a Draw a pH titration curve that represents the...Ch. 16 - a Draw a pH titration curve that represents the...Ch. 16 - The equilibrium equations and Ka values for three...Ch. 16 - Prob. 16.122QPCh. 16 - A 25.0-mL sample of hydroxylamine is titrated to...Ch. 16 - A 25.00-mL sample contains 0.562 g of NaHCO3. This...Ch. 16 - A solution made up of 1.0 M NH3 and 0.50 M...Ch. 16 - A solution is prepared from 0.150 mol of formic...Ch. 16 - An important component of blood is the buffer...Ch. 16 - An important component of blood is the buffer...Ch. 16 - Tartaric acid is a weak diprotic fruit acid with...Ch. 16 - Malic acid is a weak diprotic organic acid with...Ch. 16 - A quantity of 0.25 M sodium hydroxide is added to...Ch. 16 - A quantity of 0.15 M hydrochloric acid is added to...Ch. 16 - Prob. 16.133QPCh. 16 - Prob. 16.134QPCh. 16 - A 30.0-mL sample of 0.05 M HClO is titrated by a...Ch. 16 - Prob. 16.136QPCh. 16 - Prob. 16.137QPCh. 16 - Calculate the pH of a solution made by mixing 0.62...Ch. 16 - Cyanic acid, HOCN, is a weak acid with a Ka value...Ch. 16 - The Kb for NH3 is 1.8 105 at 25C. Calculate the...Ch. 16 - Ka for formic acid is 1.7 104 at 25C. A buffer is...Ch. 16 - K4 for acetic acid is 1.7 105 at 25C. A buffer...Ch. 16 - Prob. 16.143QPCh. 16 - Prob. 16.144QPCh. 16 - Prob. 16.145QPCh. 16 - Two samples of 1.00 M HCl of equivalent volumes...Ch. 16 - Prob. 16.147QPCh. 16 - Prob. 16.148QPCh. 16 - A solution of weak base is titrated to the...Ch. 16 - A buffer solution is prepared by mixing equal...Ch. 16 - The pH of a white vinegar solution is 2.45. This...Ch. 16 - The pH of a household cleaning solution is 11.50....Ch. 16 - What is the freezing point of 0.92 M aqueous...Ch. 16 - Prob. 16.154QPCh. 16 - A chemist needs a buffer with pH 4.35. How many...Ch. 16 - A chemist needs a buffer with pH 3.50. How many...Ch. 16 - Weak base B has a pKb of 6.78 and weak acid HA has...
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- Write the acid ionization constant expression for the ionization of each of the following monoprotic acids. a. HF (hydrofluoric acid) b. HC2H3O2 (acetic acid)arrow_forwardClassify each of the following acids as monoprotic, diprotic, or triprotic. a. HClO3 (chloric acid) b. HC3H5O4 (glyceric acid) c. H3C6H5O7 (citric acid) d. H3PO4 (phosphoric acid)arrow_forwardUsing the diagrams shown in Problem 10-117, which of the solutions would have the greatest buffer capacity, that is, greatest protection against pH change, when the following occurs? a. A strong acid is added to the solution. b. A strong base is added to the solution.arrow_forward
- Write chemical equations showing the individual proton-transfer steps that occur in aqueous solution for each of the following acids. a. H2CO3 (carbonic acid) b. H2C3H2O4 (malonic acid)arrow_forwardWrite an equation to describe the proton transfer that occurs when each of these acids is added to water. (a) HCO3 (b) HCl (c) CH3COOH (d) HCNarrow_forwardWrite a chemical equation to describe the proton transfer that occurs when each of these acids is added to water. (a) HCO3 (b) HCl (c) CH3COOH (d) HCNarrow_forward
- An aqueous solution contains formic acid and formate ion. Determine the direction in which the pH will change if each of the following chemicals is added to the solution. (a) HCl (b) NaHSO4 (c) CH3COONa (d) KBr (e) H2Oarrow_forwardWrite the chemical equation for the ionization of the following weak acids. Assume only one hydrogen ionizes in all cases. (a) hydrazoic add, HN3 (b) citric acid, H2C6H6O7 (c) squaric acid, H2C4O4arrow_forwardEstimate the pH that results when the following two solutions are mixed. a) 50 mL of 0.3 M CH3COOH and 50 mL of 0.4 M KOH b) 100 mL of 0.3 M CH3COOH and 50 mL of 0.4 M NaOH c) 150 mL of 0.3 M CH3COOH and 100 mL of 0.3 M Ba(OH)2 d) 200 mL of 0.3 M CH3COOH and 100 mL of 0.3 M Ba(OH)2arrow_forward
- Aluminum chloride, AlCl3, reacts with trimethyl-amine, N(CH3)3. What would you guess to be the product of this reaction? Explain why you think so. Describe the reaction in terms of one of the acid base concepts. Write an appropriate equation to go with this description. Which substance is the acid according to this acidbase concept? Explain.arrow_forwardWrite the reaction and the corresponding Kb equilibrium expression for each of the following substances acting as bases in water. a. aniline, C6H5NH2 b. dimethylamine, (CH3)2NHarrow_forwardFor each of the following salts in water, predict whether the pH will be greater than, less than, or equal to 7. (a) KBr (b) NH3NO3 (c) AlCl3 (d) Na2HPO4arrow_forward
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