Chemistry & Chemical Reactivity
9th Edition
ISBN: 9781133949640
Author: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 16, Problem 36PS
Ammonium chloride and sodium dihydrogen phosphate, NaH2PO4, are mixed in water. Write a balanced equation for the acid-base reaction that could, in principle, occur. Using Table 16.2, decide whether the equilibrium lies predominantly to the right or to the left.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
You are on one of Saturn's many moons and discover a substance, Y2O that undergoes autoionization just like water on Earth.
Y2O + Y2O ⇌ Y3O+ + OY–
Through a series of experiments, you determine the equilibrium constant (Keq) for this autoionization reaction at various temperatures. The value of Keq at 28.7ºC is 7.6 x 10-14. What is the pY of the pure substance at this temperature? Report your answer to the hundreths place
Consider the following acidic equilibrium: H₂CO₃(aq) + H₂O(l) ⇌ HCO₃⁻(aq) + H₃O⁺(aq). If you add NaHCO₃ to this solution, which of the following will occur?
A) The reaction quotient will decrease.
B) The reaction will shift in the reverse direction.
C) The equilibrium constant will increase.
D) No changes to the equilibrium positions will take place.
Given 0.01 M solutions of each of the following acids, which solution would have the lowest pH?
-117
Hypoiodous acid (HOI), K = 2.3 x 10
Hypobromous acid (HOBr), K = 2.5 x 10
Lactic acid (HC₂H₂O₂), K = 1.3 x 10
Chlorous acid (HClO₂), K = 1.1 x 10²
Chapter 16 Solutions
Chemistry & Chemical Reactivity
Ch. 16.1 - 1. H3PO4 phosphoric acid, can donate two protons...Ch. 16.1 - 2. The cyanide ion, CN−, accepts a proton from...Ch. 16.1 - 3. In the following reaction, identify the acid on...Ch. 16.1 - Prob. 4RCCh. 16.2 - What are the hydronium ion and hydroxide ion...Ch. 16.2 - What is the pH of a 0.0012 M NaOH solution at 25C?...Ch. 16.2 - The pH of a diet soda is 432 at 25C. What is the...Ch. 16.2 - If the pH of a solution containing the strong base...Ch. 16.3 - Prob. 1RCCh. 16.3 - Which acid has the strongest conjugate base? (a)...
Ch. 16.3 - Prob. 3RCCh. 16.3 - Prob. 4RCCh. 16.3 - Prob. 5RCCh. 16.4 - For each of the following salts in water, predict...Ch. 16.4 - Prob. 1RCCh. 16.4 - Prob. 2RCCh. 16.5 - (a) Which is the stronger Bronsted acid, HCO3 or...Ch. 16.5 - Prob. 1RCCh. 16.5 - 2. In the following reaction, does the equilibrium...Ch. 16.6 - Equal amounts (moles) of HCl(aq) and NaCN(aq) are...Ch. 16.6 - 2. Equal amounts (moles) of acetic acid(aq) and...Ch. 16.6 - Prob. 3RCCh. 16.7 - A solution prepared from 0.055 mol of butanoic...Ch. 16.7 - What are the equilibrium concentrations of acetic...Ch. 16.7 - What are the equilibrium concentrations of HF, F...Ch. 16.7 - The weak base, CIO (hypochlorite ion), is used in...Ch. 16.7 - Calculate the pH after mixing 15 mL of 0.12 M...Ch. 16.7 - 1. What is [H3O+] in a 0.10 M solution of HCN at...Ch. 16.7 - 2. A 0.040 M solution of an acid, HA, has a pH of...Ch. 16.7 - What are the pH and ion concentrations in a...Ch. 16.7 - Prob. 4RCCh. 16.7 - Prob. 1QCh. 16.7 - Prob. 2QCh. 16.7 - The pKa, of the conjugate acid of atropine is...Ch. 16.8 - What is the pH of a 0.10 M solution of oxalic...Ch. 16.8 - Hydrazine (N2H4) is like CO32 in that it is a...Ch. 16.9 - Which of the following is the stronger acid? (a)...Ch. 16.9 - Prob. 2RCCh. 16.9 - Prob. 3RCCh. 16.10 - 1. Which of the following can act as a Lewis acid?...Ch. 16.10 - 2. The molecule whose structure is illustrated...Ch. 16.10 - Convert the pK values to K values for the...Ch. 16.10 - Other solvents also undergo autoionization. (a)...Ch. 16.10 - Prob. 3QCh. 16.10 - Prob. 4QCh. 16.10 - To measure the relative strengths of bases...Ch. 16 - Write the formula and the give the name of the...Ch. 16 - Write the formula and give the name of the...Ch. 16 - What are the products of each of the following...Ch. 16 - What are the products of each of the following...Ch. 16 - Write balanced equations showing how the hydrogen...Ch. 16 - Write a balanced equation showing how the HPO42...Ch. 16 - In each of the following acid-base reactions,...Ch. 16 - In each of the following acid-base reactions,...Ch. 16 - An aqueous solution has a pH of 3.75. What is the...Ch. 16 - A saturated solution of milk of magnesia. Mg(OH)2,...Ch. 16 - What is the pH of a 0.0075 M solution of HCl? What...Ch. 16 - What is the pH of a 1.2 104 M solution of KOH?...Ch. 16 - What is the pH of a 0.0015 M solution of Ba(OH)2?Ch. 16 - The pH of a solution of Ba(OH)2 is 10.66 at 25 ....Ch. 16 - Several acids are listed here with their...Ch. 16 - Several acids are listed here with their...Ch. 16 - Which of the following ions or compounds has the...Ch. 16 - Which of the following compounds or ions has the...Ch. 16 - Which of the following compounds or ions has the...Ch. 16 - Which of the following compounds or ion has the...Ch. 16 - Dissolving K2CO3 in water gives a basic solution....Ch. 16 - Dissolving ammonium bromide in water gives an...Ch. 16 - If each of the salts listed here were dissolved in...Ch. 16 - Which of the following common food additives gives...Ch. 16 - Prob. 25PSCh. 16 - Prob. 26PSCh. 16 - Prob. 27PSCh. 16 - An organic acid has pKa = 8.95. What is its Ka...Ch. 16 - Prob. 29PSCh. 16 - Which is the stronger of the following two acids?...Ch. 16 - Chloroacetic acid (ClCH2CO2H) has Ka = 1.41 103....Ch. 16 - A weak base has Kb = 1.5 109. What is the value...Ch. 16 - The trimethylammonium ion, (CH3)3NH+, is the...Ch. 16 - The chromium(III) ion in water, [Cr(H2O)6]3+. Is a...Ch. 16 - Acetic acid and sodium hydrogen carbonate, NaHCO3,...Ch. 16 - Ammonium chloride and sodium dihydrogen phosphate,...Ch. 16 - For each of the following reactions, predict...Ch. 16 - For each of the following reactions, predict...Ch. 16 - Equal molar quantities of sodium hydroxide and...Ch. 16 - Equal molar quantities of hydrochloric acid and...Ch. 16 - Equal molar quantities of acetic acid and sodium...Ch. 16 - Equal molar quantities of ammonia and sodium...Ch. 16 - A 0.015 M solution of hydrogen cyanate, HOCN, has...Ch. 16 - A 0.10 M solution of chloroacetic acid, CICH2CO2H,...Ch. 16 - A 0.025 M solution of hydroxyl amine has a pH of...Ch. 16 - Methylamine, CH3NH2, is a weak base. CH3NH2(aq) +...Ch. 16 - A 2.5 103 M solution of an unknown acid has a pH...Ch. 16 - A 0.015M solution of a base has a pH of 10.09 a)...Ch. 16 - What are the equilibrium concentrations of...Ch. 16 - The ionizations constant of a very weak acid, HA...Ch. 16 - What are the equilibrium concentration of H3O+, CN...Ch. 16 - Phenol (C6H5OH) commonly called carbolic acid is a...Ch. 16 - What are the equilibrium concentrations of...Ch. 16 - A hypothetical weak base has Kb=5.0104.Calculate...Ch. 16 - The weak base methylamine, CH3NH2, has Kb=4.2104....Ch. 16 - Calculate the pH of a 0.12 M aqueous solution of...Ch. 16 - Calculate the pH of a 0.0010 M aqueous solution of...Ch. 16 - A solution of hydrofluoric acid, HF, has a pH of...Ch. 16 - Calculate the hydronium ion concentration and pH...Ch. 16 - Calculate the hydronium ion concentration and pH...Ch. 16 - Sodium cyanide is the salt of the weak acid HCN....Ch. 16 - The sodium salt of propionic acid, NaCH3CH2CO2 is...Ch. 16 - Calculate the hydronium ion concentration and pH...Ch. 16 - Calculate the hydronium ion concentration and the...Ch. 16 - For each of the following cases, decide whether...Ch. 16 - For each of the following cases, decide whether...Ch. 16 - Oxalic acid, H2C2O4, is a diprotic acid. Write a...Ch. 16 - Sodium carbonate is a diprotic base. Write a...Ch. 16 - Prove that Ka1 Kb2 = Kw for oxalic acid H2C2O4,...Ch. 16 - Prove that Ka3 Kb1 = Kw for phosphoric acid,...Ch. 16 - Sulphurous acid, H2SO3, is a weak acid capable of...Ch. 16 - Ascorbic acid (vitamin C, C6H8O6) is a diprotic...Ch. 16 - Hydrazine, N2H4, can interact with water in two...Ch. 16 - Ethylene diamine, H2NCH2CH2NH2, can interact with...Ch. 16 - Which should be stronger acid, HOCN or HCN?...Ch. 16 - Prob. 76PSCh. 16 - Explain why benzene sulfonic acid is a Brnsted...Ch. 16 - The structure of ethylene diamine is illustrated...Ch. 16 - Decide whether each of the following substances...Ch. 16 - Decide whether each of the following substances...Ch. 16 - Carbon monoxide forms complexes with low-valent...Ch. 16 - Trimethylamine, (CH3)3N, is a common reagent. It...Ch. 16 - About this time, you may be wishing you had an...Ch. 16 - Consider the following ions: NH4+, CO32, Br, S2,...Ch. 16 - A 2.50 g sample of a solid that could be Ba(OH)2...Ch. 16 - In a particular solution, acetic acid is 11%...Ch. 16 - Hydrogen, H2S, and sodium acetate, NaCH3CO2 are...Ch. 16 - For each of the following reactions predict...Ch. 16 - A monoprotic acid HX has Ka = 1.3 103. Calculate...Ch. 16 - Arrange the following 0.10M solutions in order of...Ch. 16 - m-Nitrophenol, a weak acid, can be used as a pH...Ch. 16 - The butylammonium ion, C4H9NH3+, has a Ka of 2.3 ...Ch. 16 - The local anaesthetic novocaine is the hydrogen...Ch. 16 - Pyridine is weak organic base and readily forms a...Ch. 16 - The base ethylamine (CH3CH2NH2) has a Kb of. A...Ch. 16 - Chloroacetic acid, ClCH2CO2H, is a moderately weak...Ch. 16 - Saccharin (HC7H4NO3S) is a weak acid with pKa =...Ch. 16 - Given the following solutions: (a) 0.1 M NH3 (b)...Ch. 16 - For each of the following salts, predict whether a...Ch. 16 - Nicotine, C10H14N2, has two basic nitrogen atoms...Ch. 16 - Prob. 101GQCh. 16 - The equilibrium constant for the reaction of...Ch. 16 - The equilibrium constant for the reaction of...Ch. 16 - Calculate the pH of the solution that results from...Ch. 16 - To what volume should 1.00 102 mL of any weak...Ch. 16 - The hydrogen phthalate ion, C8HsO4, is a weak acid...Ch. 16 - Prob. 107GQCh. 16 - Prob. 108GQCh. 16 - Prob. 109ILCh. 16 - Prob. 110ILCh. 16 - Prob. 111ILCh. 16 - A hydrogen atom in the organic base pyridine,...Ch. 16 - Nicotinic acid, C6H5NO2, is found in minute...Ch. 16 - Prob. 114ILCh. 16 - Sulfanilic acid, which is used in making dyes, is...Ch. 16 - Amino acids are an important group of compounds....Ch. 16 - How can water be both a Brnsied base and a Lewis...Ch. 16 - The nickel(II) ion exists as [Ni(H2O)4]2+ in...Ch. 16 - The halogens form three stable, weak acids, HOX....Ch. 16 - The acidity of the oxoacids was described in...Ch. 16 - Perchloric acid behaves as an acid, even when it...Ch. 16 - You purchase a bottle of water. On checking its...Ch. 16 - Prob. 123SCQCh. 16 - Prob. 124SCQCh. 16 - Prob. 125SCQCh. 16 - Consider a salt of a weak base and a weak acid...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- Here is ph of the molarity of butyl chloride (C,H,CI) in a reaction vessel during a certain chemical reaction. Use this graph to answer the questions in the table below. у 0.030- 0.0247 olo 0.020- Ar M 0.015- 0.010- 0.005- 500 1000 1500 2000 2500 3000 seconds created x10 Is C,H,Cl being created or destroyed by the chemical destroyed reaction? neither created nor destroyed If C,H,Cl is being created or destroyed, what is the rate at which it is being created or destroyed 1200 seconds after the reaction starts? Explanation Check © 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibilityarrow_forwardCalculate the pH and pOH of the following solutions (see Appendix 11 of your textbook for pKa values): 1. 0.01 M HBr 2. 0.00005 M HBr 3. 0.00002 МКОН 4. 0.01 M CH,COOH 5. 0.00001 M CH,COOH 6. 0.01 M HIO, 7. 0.01 M pyridine Calculate the pH of the following solutions: 1. 0.01 M NAHS 2. 0.005 M NaН.РО, 3. 0.005 M Na,HPO, 4. 0.005 M Na PO, 5. 0.1 ΜΝΗ,CN Calculate the pH of the following buffer solutions: 1. 1.7 g/L of NH, and 5.35 g/L of NH,Cl. 2. 50 mL of 1 M CH,COONA and 1 L 0.1 M CH,COOH. 3. 50 mL of 1 M NaOH and 1 L 0.1 M CH,COOH. 4. 10 mL 0.1 H,PO, + 25 mL 0.1 NaOH 5. 10 mL 0.1 H,PO, + 25 mL 0.1 Na,PO, 6. A buffer solution pH=5.00 contains 0.01 M CH,COOH. Calculate the concentration of sodium acetate it contains. 7. What weight of NH,Cl should be added to 1 L of 0.1 M NH, solution to get pH=9.00?arrow_forwardPhosphoric acid (H,PO4) is a polyprotic acid. Write balanced chemical equations for the sequence of reactions that phosphoric acid can undergo when it's dissolved in water.arrow_forward
- Potassium hydroxide (KOH) is a strong base. Dissociation of potassium hydroxide follows the reaction equation given. KOH(s) --H20--> K+(aq) OH-(aq) a) Write down the reaction equation for a neutralization reaction where potassium hydroxide (KOH) reacts with sulphuric acid (H2SO4) producing potassium sulphate (K2SO4) and water (H2O). Balance if needed! b) Calculate pH for the solution where 0,2 mol of KOH is dissolved into water so that the total volume of the solution is 0,5 L.arrow_forwardThe equilibrium expression for any weak acid can be written as HA (aq) + H20 (1) = A- (aq) + H;O+ (aq) 1. Write the K value expression based on the equation above (remember that pure liquids are not included in the K expression). This is given the special symbol Ka. 2. In this experiment, you will be using pH to find [H3O+]. The relationship is [H3O*] = 10-PH . For a pH of 7.4, find the [H3O+].arrow_forwardSwimming pool disinfectants produce hypochlorous acid upon dissolution. The weak acid ionizes as follows: HClO (aq) ⇄ H+ (aq) + ClO‒ (aq) Ka=3.0 x 10 ‒8 As strong oxidizing agents, both acid and its conjugate base kill bacteria. However, too high [HClO] is irritating to swimmers’ eyes and too high [ClO‒] will cause the ions to decompose in sunlight. The recommended pH to circumvent both problems is 7.8. Determine the ratio of the weak acid and its conjugate base at this pH.arrow_forward
- Carbon dioxide dissolves in water according to the equations:CO2( g) + H2O(l )<----->H2CO3(aq)H2CO3(aq) + H2O(l)<----->HCO3-(aq) + H3O+(aq)Carbon dioxide levels in the atmosphere have increased about 20% over the last century. Given that Earth’s oceans are exposed to atmospheric carbon dioxide, what effect might the increased CO2 be having on the pH of the world’s oceans? What effect might this change be having on the limestone structures (primarily CaCO3) of coral reefs and marine shells?arrow_forwardFormic acid, HCOOH, ionizes in water according to the following equation. The equilibrium constant is K = 1.8 × 10–4. $$HCOOH(aq)+H2O(l)HCOO−(aq)+H3O+(aq) Calculate the equilibrium concentration of H3O+ in a 0.985 M solution. Marrow_forward1. Nitrogen in an industrial wastewater is primarily in the form of ammonia (NH3) and ammonium (NH4+) ions. The acid/base equilibrium reaction for ammonia and ammonium is given as: NH4+ → H+ + NH3 Ką = 10-9.26 The total nitrogen concentration in wastewater is given as 2 x 10-3 moles/L (or 28 mg N/L), a. Calculate the concentration of ammonia (NH3) and ammonium (NH4*) ions at pH 10. NH3: moles/L NH4*: moles/L Check b. In ammonia stripping, nitrogen is removed from wastewater by volatilization of NH3. Would ammonia stripping be more effective above or below pH 9? Briefly explain your reasoning.arrow_forward
- The ionization constant, Ka, for dichloroacetic acid, HC2HO2Cl2 , is 5.0 × 10‑2. What is the pH of a 0.15 molar solution of this acid?arrow_forwardWrite the acid dissociation reaction for formic acid, HCO2H.arrow_forwardCan hydroxide ion (OH-) exist in liquid sulfuric acid (H2SO4)? If so, justify your answer. If not, explain why and write out the chemical equation for the reaction between OH- and H2SO4.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Principles of Modern ChemistryChemistryISBN:9781305079113Author:David W. Oxtoby, H. Pat Gillis, Laurie J. ButlerPublisher:Cengage Learning
Principles of Modern Chemistry
Chemistry
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:Cengage Learning
General Chemistry | Acids & Bases; Author: Ninja Nerd;https://www.youtube.com/watch?v=AOr_5tbgfQ0;License: Standard YouTube License, CC-BY