LCPO CHEMISTRY W/MODIFIED MASTERING
8th Edition
ISBN: 9780135214756
Author: Robinson
Publisher: PEARSON
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Textbook Question
Chapter 16, Problem 16.94SP
A vitamin C tablet containing 250 mg of ascorbic acid
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8. (a) Calculate the percent ionization of a 0.20 M solution of the monoprotic acetylsalicylic acid (aspirin) for which Ka = 3.0 x 10-4 .(b)The pH of gastric juice in the stomach of a certain individual is 1.00. After a few aspirin tablets have been swallowed, the concentration of acetylsalicylic acid in the stomach is 0.20M. Calculate the % ionization of the acid under these conditions. What effect does the nonionized acid have on the membranes lining of the stomach?
9. Calculate the [H+], [C2O4-2], and [H2C2O4] in a 0.0010M H2C2O4 solution. (Ka = 5.4 x 10-2)
Propionic acid, HC3H5O2, has Ka= 1.34 x 10–5.
(a) What is the molar concentration of H3O+ in 0.15 M HC3H5O2 and the pH of the solution?
(b) What is the Kb value for the propionate ion, C3H5O2–?
(c) Calculate the pH of 0.15 M solution of sodium propionate, NaC3H5O2.
(d) Calculate the pH of solution that contains 0.12 M HC3H5O2 and 0.25 M NaC3H5O2.
13.3.00 g of pure acetic acid (CH3COOH) is diluted to 25.0 L, What is the PH of the solution? Ka = 1.8 x 10-5
Chapter 16 Solutions
LCPO CHEMISTRY W/MODIFIED MASTERING
Ch. 16 - Write a balanced equation for the dissociation of...Ch. 16 - Write the reaction between the carbonate ion...Ch. 16 - Conceptual PRACTICE 15.3 For the following...Ch. 16 - Conceptual APPLY 15.4 For the following reactions...Ch. 16 - If you mix equal concentrations of reactants and...Ch. 16 - Conceptual APPLY 15.6 The following pictures...Ch. 16 - Which pair has the stronger acid listed first? H2S...Ch. 16 - Which acid is stronger, H3PO4orH3AsO4?Ch. 16 - PRACTICE 15.9 The concentration of H3O+ ions in...Ch. 16 - Calculate the pH of a sample of seawater that has...
Ch. 16 - During mining operations, the mineral pyrite...Ch. 16 - Calculate the concentrations of H3O+ and OH- in a...Ch. 16 - Calculate the pH of the following solutions: (a)...Ch. 16 - Calculate the pH of a solution prepared by...Ch. 16 - The following pictures represent aqueous solutions...Ch. 16 - Acetic acid, CH3CO2H, is the solute that gives...Ch. 16 - Wha concentration of formic acid will result in a...Ch. 16 - Calculate the pH and the concentration of all...Ch. 16 - Carbonated drinks are prepared by dissolving CO2...Ch. 16 - Calculate the pH and the concentrations of all...Ch. 16 - Lactated Ringers solution is given intravenously...Ch. 16 - Prob. 16.25PCh. 16 - The following pictures represent aqueous solutions...Ch. 16 - Predict whether a solution of 0.20 M NaNO2 is...Ch. 16 - Calculate the pH and percent dissociation of...Ch. 16 - Prob. 16.29PCh. 16 - For the following Lewis acid— base reaction, draw...Ch. 16 - What are the chemical formulas and names of the...Ch. 16 - What were the average pH ranges for rainfall in...Ch. 16 - Prob. 16.33PCh. 16 - (a) Natural or “unpolluted” rain has a pH of 5.6....Ch. 16 - Prob. 16.35PCh. 16 - Prob. 16.36PCh. 16 - Because sulfur and nitrogen oxides are the main...Ch. 16 - Prob. 16.38CPCh. 16 - The following pictures represent aqueous solutions...Ch. 16 - Locate sulfur, selenium, chlorine, and bromine in...Ch. 16 - Prob. 16.41CPCh. 16 - Prob. 16.42CPCh. 16 - The followign pictures represent solutions of...Ch. 16 - Prob. 16.44CPCh. 16 - Look at the electron-dot structures of the...Ch. 16 - Boric acid (H3BO3) is a weak monoprotic acid that...Ch. 16 - Prob. 16.47CPCh. 16 - Prob. 16.48SPCh. 16 - Which of the following can behave both as a...Ch. 16 - Give the formula for the conjugate base of each of...Ch. 16 - Give the formula for the conjugate acid of each of...Ch. 16 - For each of the following reactions, identify the...Ch. 16 - For each of the following reactions, identify the...Ch. 16 - Aqueous solutions of hydrogen sulfide contain...Ch. 16 - Prob. 16.55SPCh. 16 - Choose from the conjugate acid-base pairs...Ch. 16 - Prob. 16.57SPCh. 16 - Prob. 16.58SPCh. 16 - Prob. 16.59SPCh. 16 - Arrange each group of compounds in order of...Ch. 16 - Arrange each group of compounds in order of...Ch. 16 - Prob. 16.62SPCh. 16 - Identify the weakest acid in each of the following...Ch. 16 - Prob. 16.64SPCh. 16 - Identify the stronger base in each of the...Ch. 16 - Prob. 16.66SPCh. 16 - Prob. 16.67SPCh. 16 - The concentration of OH- in a sample of seawater...Ch. 16 - The concentration of OH- in human blood is...Ch. 16 - For each of the following solutions, calculate...Ch. 16 - For each of the following solutions, calculate...Ch. 16 - Water superheated under pressure to 200oC and 750...Ch. 16 - Water at 500oC and 250 atm is a supercritical...Ch. 16 - Calculate the pH to the correct number of...Ch. 16 - Calculate the pH to the correct number of...Ch. 16 - Calculate the H3O+ concentration to the correct...Ch. 16 - Calculate the H3O+ concentration to the correct...Ch. 16 - Prob. 16.78SPCh. 16 - Which of the indicators given in Figure 16.5,...Ch. 16 - Which of the following species behave a strong...Ch. 16 - Which of the following species behave as strong...Ch. 16 - Calculate the pH of the following solutions:...Ch. 16 - Calculate the pH of the following solutions: 0.48...Ch. 16 - Prob. 16.84SPCh. 16 - Calculate the pH of solutions prepared by: RAN (a)...Ch. 16 - How many grams of CaO should be dissolved in...Ch. 16 - Prob. 16.87SPCh. 16 - Look up the value of Ka in Appendix C for...Ch. 16 - Look up the value of Ka in Appendix C for...Ch. 16 - The pH of 0.040 M hypobromous acid (HOBr) is 5.05....Ch. 16 - Lactic acid (C3H6O3) , which occurs in sour milk...Ch. 16 - The pH of 0.050 M gallic acid, an acid found in...Ch. 16 - The pH of 0.040 M pyruvic acid, an acid found in...Ch. 16 - A vitamin C tablet containing 250 mg of ascorbic...Ch. 16 - Acetic acid (CH3COOH;Ka=1.810-5) has a...Ch. 16 - Acrylic acid (HC3H3O2) is used in the manufacture...Ch. 16 - Hippuric acid (HC9H8NO3) , found in horse urine,...Ch. 16 - Calculat the pH and the percent dissociation in...Ch. 16 - A typical aspirin tablet contains 324 mg of...Ch. 16 - Prob. 16.100SPCh. 16 - Calculate the percent dissociation of...Ch. 16 - Write balanced net ionic equations and the...Ch. 16 - Write balanced net ionic equations and the...Ch. 16 - Calculate the pH and the concentrations of all...Ch. 16 - Prob. 16.105SPCh. 16 - Prob. 16.106SPCh. 16 - Tartaric acid (C4H6O6) is a diprotic acid that...Ch. 16 - Like sulfuric acid, selenic acid (H2SeO4) is a...Ch. 16 - Calculate the concentrations of H3O+ and SO42- in...Ch. 16 - Prob. 16.110SPCh. 16 - Prob. 16.111SPCh. 16 - Write a balanced net ionic equation and the...Ch. 16 - Write a balanced net ionic equation and the...Ch. 16 - Styrchine (C21H22N2O2) , a deadly poison used for...Ch. 16 - What is the pH of 0.5 M ammonia (NH3)?(Kb=1.8105)Ch. 16 - Morphine (C17H19NO3), a narcotic used in...Ch. 16 - A 1.00103M solution of quinine, a drug used in...Ch. 16 - Oxycodone (C18H21NO4), a narcotic analgesic, is a...Ch. 16 - Morpholine (C4H9NO) is a weak organic base with...Ch. 16 - Using values of Kb in Appendix C, calculate values...Ch. 16 - Using values of Ka in Appendix C, calculate values...Ch. 16 - Prob. 16.122SPCh. 16 - Sodium benzoate (C6H5CO2Na) is used as a food...Ch. 16 - Write a balanced net ionic equation for the...Ch. 16 - Write a balanced net ioflk equation for the...Ch. 16 - Classify each of the following ions according to...Ch. 16 - Classify each of the following salt solutions as...Ch. 16 - Calculate the concentrations of all species...Ch. 16 - Prob. 16.129SPCh. 16 - Calculate Ka for the cation Kb for the anion in an...Ch. 16 - Classify each of the following salt solutions as...Ch. 16 - Prob. 16.132SPCh. 16 - Classify each of the following salt solutions as...Ch. 16 - Calculate the pH and the concentrations of all...Ch. 16 - Calculate the pH and the percent dissociation of...Ch. 16 - Prob. 16.136SPCh. 16 - Prob. 16.137SPCh. 16 - Prob. 16.138SPCh. 16 - For each of the following reactions, identify the...Ch. 16 - Prob. 16.140SPCh. 16 - For each of the Lewis acid—base reactions in...Ch. 16 - Prob. 16.142SPCh. 16 - Prob. 16.143SPCh. 16 - Prob. 16.144MPCh. 16 - Prob. 16.145MPCh. 16 - Prob. 16.146MPCh. 16 - Prob. 16.147MPCh. 16 - Normal rain has a pH of 5.6 due to dissolved...Ch. 16 - Sulfur dioxide is quite soluble in water:...Ch. 16 - Prob. 16.150MPCh. 16 - Acid and base behavior can be observed in solvents...Ch. 16 - Prob. 16.152MPCh. 16 - In the case of very weak acids, [H3O+] from the...Ch. 16 - Prob. 16.154MPCh. 16 - Prob. 16.155MPCh. 16 - Neutralization reactions involving either a strong...Ch. 16 - Prob. 16.157MPCh. 16 - Prob. 16.158MPCh. 16 - A 200.0 mL sample of 0.350 M acetic acid (CH3CO2H)...Ch. 16 - Prob. 16.160MP
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- The active ingredient of bleach such as Clorox is sodium hypochlorite (NaClO). Its conjugate acid, hypochlorous acid (HClO), has a Ka of 3.0 × 10–8. (a) The undiluted bleach contains roughly 1 M NaClO.Calculate the pH of 1 M NaClO solution. (b) Some applications require extremely diluted bleach solution, such as swimming pools. Suppose the solution in (a) is diluted by 10,000-fold. Calculate the pH of the diluted solution, and demonstrate that you can still neglect the autoionization of water in your calculation. (c) Suppose the solution in (a) is diluted by 1 million-fold, briefly explain how your approach willbe different. Write the equation with [H3O+] as the unknown, but you do not need to solve it.arrow_forwardCOHSOH(ag) + H2On + CeHsO (aq) + H3O*(a9) Ka= 1.12 x 10-10 (a) Phenol is a weak acid that partially dissociates in water according to the equation above. Write the equilibrium-constant expression for the dissociation of the acid in water. (b) What is the pH of a 0.75 M CaHsOH(ag) solution? (C) For a certain reaction involving CaHsOH(ag) to proceed at a significant rate, the phenol must be primarily in its deprotonated form, C3H5O (eg). In order to ensure that the CsHsOH(aq) is deprotonated, the reaction must be conducted in a buffered solution. On the number scale below, circle each pH for which more than 50 percent of the phenol molecules are in the deprotonated form (CoHsO (aq). Justify your answer. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Justification: (d) CeHsOH(ag) reacts with NaOH(ag). Write a net ionic equation representing this reaction (aka: invasion equation). (e) What is the pH of the resulting solution when 30 mL of 0.40 M CSH5OH(aq) is added to 25 mL of 0.60 M NAOH. Show all work…arrow_forward(a) Calculate the percent ionization of a 0.20 M solution of monoprotic acetylsalicylic acid (aspirin) for which Ka = 3.0 x 10^-4. (b) The pH of gastric acid juice in the stomach of a certain individual is 1.00. After a few aspirin tablets have been swallowed, the concentration of acetylsalicylic acid in the stomach is 0.20 M. Calculate the percent ionization of the acid under these conditions.arrow_forward
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