Chemistry: Principles and Reactions
8th Edition
ISBN: 9781305079373
Author: William L. Masterton, Cecile N. Hurley
Publisher: Cengage Learning
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Textbook Question
Chapter 13, Problem 25QAP
Find [OH-] and the pH of the following solutions.
(a) 0.25 g of Ba(OH)2 dissolved in enough water to make 0.655 L of solution.
(b) A 3.00-L solution of KOH is prepared by diluting 300.0 mL of 0.149 M KOH with water. What is the molarity of the diluted solution? What is the effect of a tenfold dilution on the pH?
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Chapter 13 Solutions
Chemistry: Principles and Reactions
Ch. 13 - For each of the following reactions, indicate the...Ch. 13 - Follow the direction for Question 1 for the...Ch. 13 - According to the Brønsted-Lowry theory, which of...Ch. 13 - According to the Brønsted-Lowry theory, which of...Ch. 13 - Give the formula of the conjugate acid of (a) OH-...Ch. 13 - Give the formula for the conjugate base of (a)...Ch. 13 - Write a balanced equation showing how the H2PO4-...Ch. 13 - Follow the instructions of Question 7 for the...Ch. 13 - Using the Brønsted-Lowry model, write equations...Ch. 13 - Prob. 10QAP
Ch. 13 - Using the Brønsted-Lowry model, write an equation...Ch. 13 - Prob. 12QAPCh. 13 - Find the pH of solutions with the following[ H+ ]....Ch. 13 - Find the pH of solutions with the following[ H+ ]....Ch. 13 - Calculate H+ and OH- and in solutions with the...Ch. 13 - Calculate [H+] and [OH-] in solutions with the...Ch. 13 - Complete the following table for solutions at 25C.Ch. 13 - Complete the following table for solutions at 25C.Ch. 13 - Solution 1 has [ H+ ]=1.7102 M. Solution 2 has [...Ch. 13 - Solution R has pH 13.42. Solution Q has [ OH...Ch. 13 - Consider three solutions, R, Z, and Q. •...Ch. 13 - Solution A has a pH of 12.32. Solution B has [H+]...Ch. 13 - Unpolluted rain water has a pH of about 5.5. Acid...Ch. 13 - Most cola soft drinks have a pH of 3.1. Green tea...Ch. 13 - Find [OH-] and the pH of the following solutions....Ch. 13 - Find [H+] and the pH of the following solutions....Ch. 13 - Find [OH+], [OH-] and the pH of the following...Ch. 13 - Find [OH-], [H+], and the pH of the following...Ch. 13 - How many grams of HI should be added to 265 mL of...Ch. 13 - What is the pH of a solution obtained by adding...Ch. 13 - What is the pH of a solution obtained by adding...Ch. 13 - What is the pH of a solution obtained by mixing...Ch. 13 - Write the ionization equation and the Ka for each...Ch. 13 - Write the ionization equation and the Ka...Ch. 13 - Calculate Ka for the weak acids that have the...Ch. 13 - Prob. 36QAPCh. 13 - Prob. 37QAPCh. 13 - Consider these acids (a) Arrange the acids in...Ch. 13 - Rank the following solutions in order of...Ch. 13 - Rank the following acids (M=0.10)in order of...Ch. 13 - Prob. 41QAPCh. 13 - Rank the solutions in Questions 40 in order of...Ch. 13 - The pH of a 0.129 M solution of a weak acid, HB,...Ch. 13 - The pH of a 2.642 M solution of a weak acid, HB,...Ch. 13 - Paraminobenzene (PABA), HC7H6NO2, is used in some...Ch. 13 - Acetaminophen, HC8H8NO2 (MM=151.17g/mol), is the...Ch. 13 - Caproic acid, HC6H11O2, is found in coconut oil...Ch. 13 - Barbituric acid, HC4H3N2O3, is used to prepare...Ch. 13 - When aluminum chloride dissolves in water,...Ch. 13 - Using the Ka values in Table 13.2, calculate the...Ch. 13 - Barbituric acid, HC4H3N2O3, is used to prepare...Ch. 13 - Penicillin(MM=356g/mol), an antibiotic often used...Ch. 13 - Gallic acid, HC7H5O5, an ingredient in some...Ch. 13 - Anisic acid (K a=3.38105) is found in anise seeds...Ch. 13 - Phenol, once known as carbolic acid, HC6H5O, is a...Ch. 13 - Benzoic acid (K a=6.6105)is present in many...Ch. 13 - Chromic acid, H2CrO4, is commonly obtained by...Ch. 13 - Consider citric acid, H3C6H5O7, added to many soft...Ch. 13 - Consider a 0.45 M solution of ascorbic...Ch. 13 - Consider a 0.33 M solution of the diprotic acid...Ch. 13 - Phthalic acid H2C8H4O4, is a diprotic acid. It is...Ch. 13 - Selenious acid, H2SeO3, is primarily used to...Ch. 13 - Write the ionization expression and the Kb...Ch. 13 - Follow the instructions for Question 63 for the...Ch. 13 - Prob. 65QAPCh. 13 - Follow the directions of Question 65 for the...Ch. 13 - Using the equilibrium constants listed in Table...Ch. 13 - Using the equilibrium constants listed in Table...Ch. 13 - Find the value of Kb for the conjugate base of the...Ch. 13 - Find the values of Kb for the conjugate bases of...Ch. 13 - Determine [OH-], pOH and pH of a 0.28 M aqueous...Ch. 13 - Determine the [OH-] and pH of a 0.72 M solution of...Ch. 13 - Codeine (Cod), a powerful and addictive...Ch. 13 - Consider pyridine, C5H5N, a pesticide and deer...Ch. 13 - A solution of baking soda, NaHCO3, has a pH of...Ch. 13 - A solution of sodium cyanide, NaCN, has a pH of...Ch. 13 - Write formulas for two salts that (a) contain Ni3+...Ch. 13 - Write formulas for two salts that (a) contain NH4+...Ch. 13 - State whether 1 M solutions of the following salts...Ch. 13 - State whether 1 M solutions of the following salts...Ch. 13 - Write net ionic equations to explain the acidity...Ch. 13 - Prob. 82QAPCh. 13 - Arrange the following aqueous 0.1 M solutions in...Ch. 13 - Arrange the following aqueous 0.1 M solutions in...Ch. 13 - Unclassified At 25C, a 0.20 M solution of...Ch. 13 - Prob. 86QAPCh. 13 - There are 324 mg of acetylsalicylic acid...Ch. 13 - A student is asked to bubble enough ammonia gas...Ch. 13 - Prob. 89QAPCh. 13 - A student prepares 455 mL of a KOH solution, but...Ch. 13 - Consider the process H2O H+(aq)+OH(aq)H=55.8kJ (a)...Ch. 13 - Household bleach is prepared by dissolving...Ch. 13 - A tablet with a mass of 4.08 g contains 71.2%...Ch. 13 - Consider a weak organic base (nonelectrolyte) with...Ch. 13 - Prob. 95QAPCh. 13 - Which of the following is/are true regarding a 0.1...Ch. 13 - Which of the following is/are true about a 0.10 M...Ch. 13 - Consider the following six beakers. All have 100...Ch. 13 - Each box represents an acid solution at...Ch. 13 - Each box represents an acid solution at...Ch. 13 - Prob. 101QAPCh. 13 - You are asked to determine whether an unknown...Ch. 13 - What is the pH of a 0.020 M solution of H2SO4? You...Ch. 13 - Prob. 104QAPCh. 13 - What is the pH of a solution obtained by mixing...Ch. 13 - A solution is made up of 273 mL of 0.164 M HNO3...Ch. 13 - What is the freezing point of vinegar, which is an...Ch. 13 - Prob. 108QAPCh. 13 - Consider two weak acids, HA (MM=138g/mol)and HB...Ch. 13 - Consider an aqueous solution of a weak base, NaB...
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- The weak base, CIO (hypochlorite ion), is used in the form of NaCIO as a disinfectant in swimming pools and water treatment plants. What are the concentrations of HCIO and OH and the pH of a 0.015 M solution of NaCIO?arrow_forwardTwo strategies are also followed when solving for the pH of a base in water. What is the strategy for calculating the pH of a strong base in water? List the strong bases mentioned in the text that should be committed to memory. Why is calculating the pH of Ca(OH)2 solutions a little more difficult than calculating the pH of NaOH solutions? Most bases are weak bases. The presence of what element most commonly results in basic properties for an organic compound? What is present on this element in compounds that allows it to accept a proton? Table 13-3 and Appendix 5 of the text list Kb values for some weak bases. What strategy is used to solve for the pH of a weak base in water? What assumptions are made when solving for the pH of weak base solutions? If the 5% rule fails, how do you calculate the pH of a weak base in water?arrow_forwardThe pH of a solution of Ba(OH)2 is 10.66 at 25 . What is the hydroxide ion concentration in the solution? If the solution volume is 125 mL, what mass of Ba(OH)2 must have been dissolved?arrow_forward
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