Chemistry: Principles and Reactions
8th Edition
ISBN: 9781305079373
Author: William L. Masterton, Cecile N. Hurley
Publisher: Cengage Learning
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Chapter 13, Problem 107QAP
What is the freezing point of vinegar, which is an aqueous solution of 5.00% acetic acid, HC2H3O2, by mass
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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 freezing point of 0.10 M KHSO3 is -0.38C. Which of the following equations best represents what happens when KHSO3 dissolves in water? (a) KHSO3(s)KHSO3(aq) (b) KHSO3(s) K+(aq)+HSO3(aq) (c) KHSO3(s) K+(aq)+SO32(aq)+ H+(aq)arrow_forwardA 0.109 mol/kg aqueous solution of formic acid, HCOOH, freezes at −0.210 °C. Calculate the percent dissociation of formic acid.arrow_forward6-112 List the following aqueous solutions in order of increasing boiling point: 0.060 M glucose (C6H12O6), 0.025 M LiBr, and 0.025 M Zn(NO3)2.Assume complete dissociation of any salts.arrow_forward
- The freezing point of a 0.21 m aqueous solution of H2SO4 is -0.796C. (a) What is i? (b) Is the solution made up primarily of (i) H2SO4 molecules only? (ii) H+ and HSO4- ions? (iii) 2H+ and 1SO42- ions?arrow_forwardThe freezing point of 0.20 m HF is -0.38C. Is HF primarily nonionized in this solution (HF molecules), or is it dissociated to H+ and F- ions?arrow_forwardButane, C4H10, has been suggested as the refrigerant in household compressors such as those found in air conditioners. (a) To what extent is butane soluble in water? Calculate the butane concentration in water if the pressure of the gas is 0.21 atm. (kH = 0.0011 mol/kgbar at 25 C) (b) If the pressure of butane is increased to 1.0 atm, does the butane concentration increase or decrease?arrow_forward
- What is the freezing point of a 0.15 m organic compound solution in benzene?arrow_forwardWhat is the %( w/v) of a salt solution prepared by dissolving 7.5 g of salt in 242.5 mL of water?arrow_forwardA 6.0835 M aqueous solution of acetic acid (C2H4O2) has a density of 1.0438 g cm-3 . Compute its molalityarrow_forward
- The Henry's Law constant for carbon dioxide in water is 0.0313 M/atm at 25°C. What is the molar concentration of CO2 at a partial pressure of 1.25 atm?arrow_forwardThe vapor pressure of pure water at 95°C is normally 633.9 mmHg, but decreased to 610.1 mmHg upon addition of an unknown amount of potassium hydroxide, KOH, to 289.0 g of water at this temperature. How many grams of potassium hydroxide were added? Assume complete dissociation of solute.arrow_forwardCalculate the amount of KC1 which must be added to 1 kg of water so that the freezing point is depressed by 2 K. (Ky for water = 1.86 kg mol-1)arrow_forward
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Solutions: Crash Course Chemistry #27; Author: Crash Course;https://www.youtube.com/watch?v=9h2f1Bjr0p4;License: Standard YouTube License, CC-BY