General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN: 9781305580343
Author: Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher: Cengage Learning
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Chapter 15, Problem 15.28QP
A weak acid, HA, is dissolved in water. Which one of the following beakers represents the resulting solution? (Water molecules have been omitted for clarity.)
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Determine the molar concentration of each ion present in the solutions that result from each of the following mixtures:
(Disregard the concentration of H+ and OH- from water and assume that volumes are additive.)
(a) 57.4 mL of 0.79 M HCl and 77.3 mL of 1.48 M HCl:
(b) 120 mL of 0.59 M CaCl2 and 120 mL of 0.27 M CaCl2
(c) 31.9 mL of 0.369 M NaOH and 20.2 mL of 0.278 M HCl
(d) 14.0 mL of 0.724 M H2SO4 and 20.3 mL of 0.110 M NaOH
The average blood pH is 7.40. The blood volume in humans, on average, is 5 liters. On average bicarbonate concentration in blood is 25 mM. A vinegar jar has a label that says its acetic acid concentration is 3.0%, meaning 3.0 g of acetic acid in 100 mL vinegar. (1) How many mL of vinegar does a person have to intake in order to lower the blood pH to 7.25? (2) if ALL the bicarbonate in 5.0 L of blood is neutralized by vinegar, how many mL of vinegar will be needed? (3) When all the bicarbonate ions are neutralized to carbonic acid, what will be the resulting blood pH?
Note: pKa values for carbonic acid (diprotic acid) are 6.4 and 10.3, respectively.
Citric acid, H3C6H5O7, is an example of a triprotic acid. A solution of citric acid is extracted from citrus fruits. 100.00 ml of this solution is titrated with a solution that is 0.5 M sodium hydroxide. The endpoint is 40 ml of sodium hydroxide. What is the molarity of citric acid?
Chapter 15 Solutions
General Chemistry - Standalone book (MindTap Course List)
Ch. 15.2 - For the reaction H2CO3(aq)+CN(aq)HCN(aq)+HCO3(aq)...Ch. 15.2 - Prob. 15.1CCCh. 15.3 - Identify the Lewis acid and the Lewis base in each...Ch. 15.4 - Prob. 15.3ECh. 15.4 - Prob. 15.2CCCh. 15.5 - Which member of each of the following pairs is the...Ch. 15.7 - A solution of barium hydroxide at 25C is 0.125 M...Ch. 15.7 - Prob. 15.6ECh. 15.7 - Rank the following solutions from most acidic to...Ch. 15.8 - What is the pH of a sample of gastric juice...
Ch. 15.8 - A saturated solution of calcium hydroxide has a...Ch. 15.8 - A brand of carbonated beverage has a pH of 3.16....Ch. 15.8 - A 0.010 M solution of ammonia, NH3, has a pH of...Ch. 15.8 - Prob. 15.4CCCh. 15 - Which of the following are strong acids? Which are...Ch. 15 - Describe any thermochemical (heat of reaction)...Ch. 15 - Prob. 15.3QPCh. 15 - Prob. 15.4QPCh. 15 - Write an equation in which H2PO3 acts as an acid...Ch. 15 - Describe four ways in which the BrnstedLowry...Ch. 15 - Prob. 15.7QPCh. 15 - Explain why an acidbase reaction favors the weaker...Ch. 15 - Give two important factors that determine the...Ch. 15 - Prob. 15.10QPCh. 15 - Prob. 15.11QPCh. 15 - Prob. 15.12QPCh. 15 - Prob. 15.13QPCh. 15 - Prob. 15.14QPCh. 15 - The conjugate base of hydrofluoric acid dissolved...Ch. 15 - In the following reaction, identify the Lewis...Ch. 15 - Calculate the hydronium-ion concentration at 25C...Ch. 15 - The pH of a solution is 9.55 at 25C What is the...Ch. 15 - Acids You make a solution by dissolving 0.0010 mol...Ch. 15 - Strong Acids, Weak Acids, and pH Two 0.10-mol...Ch. 15 - Prob. 15.21QPCh. 15 - Prob. 15.22QPCh. 15 - Prob. 15.23QPCh. 15 - Compare the structures of HNO2 and H2CO3. Which...Ch. 15 - Prob. 15.25QPCh. 15 - Prob. 15.26QPCh. 15 - A strong monoprotic acid, with the molecular...Ch. 15 - A weak acid, HA, is dissolved in water. Which one...Ch. 15 - Write the balanced reaction of hydroxide ion with...Ch. 15 - Write the balanced reaction of hypobromous acid,...Ch. 15 - Give the conjugate base to each of the following...Ch. 15 - Give the conjugate base to each of the following...Ch. 15 - Give the conjugate acid to each of the following...Ch. 15 - Give the conjugate acid to each of the following...Ch. 15 - For the following reactions, label each species as...Ch. 15 - For the following reactions, label each species as...Ch. 15 - The following shows ball-and-stick models of the...Ch. 15 - The following shows ball-and-stick models of the...Ch. 15 - Complete each of the following equations. Then...Ch. 15 - Complete each of the following equations. Then...Ch. 15 - In the following reactions, identify each reactant...Ch. 15 - In the following reactions, label each reactant as...Ch. 15 - Natural gas frequently contains hydrogen sulfide,...Ch. 15 - Coal and other fossil fuels usually contain sulfur...Ch. 15 - Complete the following equation. Using Table 15.2,...Ch. 15 - Complete the following equation. Using Table 15.2,...Ch. 15 - Use Table 15.2 to decide whether the species on...Ch. 15 - Use Table 15.2 to decide whether the species on...Ch. 15 - Prob. 15.49QPCh. 15 - In the following reaction of tetrafluoroboric...Ch. 15 - For each of the following pairs, give the stronger...Ch. 15 - Order each of the following pairs by acid...Ch. 15 - What are the concentrations of H3O+ and OH in each...Ch. 15 - What are the concentrations of H3O+ and OH in each...Ch. 15 - A solution of hydrochloric acid is 0.059 M HCl....Ch. 15 - A solution is 0.030 M HNO3 (nitric acid). What is...Ch. 15 - What are the hydronium-ion and the hydroxide-ion...Ch. 15 - A saturated solution of magnesium hydroxide is 3.2...Ch. 15 - The following are solution concentrations....Ch. 15 - The following are solution concentrations....Ch. 15 - A shampoo solution at 25C has a hydroxide-ion...Ch. 15 - An antiseptic solution at 25C has a hydroxide-ion...Ch. 15 - Which of the following pH values indicate an...Ch. 15 - Which of the following pH values indicate an...Ch. 15 - For each of the following, state whether the...Ch. 15 - Prob. 15.66QPCh. 15 - Obtain the pH corresponding to the following...Ch. 15 - Obtain the pH corresponding to the following...Ch. 15 - A sample of vinegar has a hydronium-ion...Ch. 15 - Some lemon juice has a hydronium-ion concentration...Ch. 15 - Obtain the pH corresponding to the following...Ch. 15 - Obtain the pH corresponding to the following...Ch. 15 - A solution of washing soda (sodium carbonate,...Ch. 15 - A solution of lye (sodium hydroxide, NaOH) has a...Ch. 15 - The pH of a cup of coffee (at 25C) was found to be...Ch. 15 - A wine was tested for acidity, and its pH was...Ch. 15 - A detergent solution has a pH of 11.80 at 25C....Ch. 15 - Morphine is a narcotic that is used to relieve...Ch. 15 - A 1.00-L aqueous solution contained 5.80 g of...Ch. 15 - A 1.00-L aqueous solution contained 6.78 g of...Ch. 15 - A certain sample of rainwater gives a yellow color...Ch. 15 - A drop of thymol blue gave a yellow color with a...Ch. 15 - Identify each of the following as an acid or a...Ch. 15 - Which of the following substances are acids in...Ch. 15 - Write a reaction for each of the following in...Ch. 15 - Write a reaction for each of the following in...Ch. 15 - Prob. 15.87QPCh. 15 - Prob. 15.88QPCh. 15 - Prob. 15.89QPCh. 15 - Prob. 15.90QPCh. 15 - Prob. 15.91QPCh. 15 - List the following compounds in order of...Ch. 15 - A solution is 0.18 M KOH. What are the...Ch. 15 - A solution is 0.25 M Sr(OH)2. What are the...Ch. 15 - Prob. 15.95QPCh. 15 - A sample of lemon juice has a hydronium-ion...Ch. 15 - Prob. 15.97QPCh. 15 - A sample of grape juice has a pH of 4.15. What is...Ch. 15 - A 4.640-g sample of a mixture of sodium hydrogen...Ch. 15 - A 2.500-g sample of a mixture of sodium carbonate...Ch. 15 - Prob. 15.101QPCh. 15 - The dihydrogen phosphate ion has the ability to...Ch. 15 - Prob. 15.103QPCh. 15 - Prob. 15.104QPCh. 15 - Prob. 15.105QPCh. 15 - Show how methylamine, CH3NH2, is a BrnstedLowry...Ch. 15 - Prob. 15.107QPCh. 15 - Prob. 15.108QPCh. 15 - Prob. 15.109QPCh. 15 - Prob. 15.110QPCh. 15 - Prob. 15.111QPCh. 15 - Hydrazine, N2H4 (having the structure H2NNH2), and...Ch. 15 - Prob. 15.113QPCh. 15 - Liquid ammonia undergoes autoionization similar to...Ch. 15 - Ethanol (ethyl alcohol), CH3CH2OH, can act as a...Ch. 15 - Ethanol, CH3CH2OH, can undergo auto-ionization....Ch. 15 - Aluminum chloride, AlCl3, reacts with...Ch. 15 - Consider each of the following pairs of compounds,...Ch. 15 - Arrange each of the following in order of...Ch. 15 - The following is a table of some of the oxoacids...Ch. 15 - Suppose you have 557 mL of 0.0300 M HCl, and you...Ch. 15 - Prob. 15.122QPCh. 15 - You want to make up 3.00 L of aqueous hydrochloric...Ch. 15 - Prob. 15.124QPCh. 15 - Prob. 15.125QPCh. 15 - Pure liquid ammonia ionizes in a way similar to...Ch. 15 - A solution contains 4.25g of ammonia per 250.0 mL...Ch. 15 - A solution contains 0.675 g of ethylamine,...Ch. 15 - Prob. 15.129QPCh. 15 - Hypophosphorous acid, H3PO2, and phosphoric acid,...Ch. 15 - Boron trifluoride, BF3, and ammonia, NH3, react to...Ch. 15 - Boron trifluoride, BF3, and diethyl ether,...
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- Reactions represented by the following equations take place in water solutions. Write each molecular equation in total ionic form, then identify spectator ions and write the equations in net ionic form. Solids that do not dissolve are designated by s, gases that do not dissolve are designated by g, and substances that dissolve but do not dissociate appear in blue. a. H2O(l)+Na2SO3(aq)+SO2(aq)2NaHSO3(aq) b. 3Cu(s)+8HNO3(aq)3Cu(NO3)2(aq)+2NO(g)+4H2O(l) c. 2HCl(aq)+CaO(s)CaCl2(aq)+H2O(l) d. CaCO3(s)+2HCl(aq)CaCl2(aq)+CO2(aq)+H2O(l) e. MnO2(s)+4HCl(aq)MnCl2(aq)+Cl2(aq)+2H2O(l) f. 2AgNO3(aq)+Cu(s)Cu(NO3)2(aq)+2Ag(s)arrow_forwardssume a highly magnified view of a solution of HCI that allows you to “see” the HCl. Draw this magnified view. If you dropped in a piece of magnesium, the magnesium would disappear, and hydrogen gas would he released. Represent this change using symbols for the elements, and write the balanced equation.arrow_forwardDescribe some physical and chemical properties of acids and bases. What is meant by a strong acid or base? Are strong acids and bases also strong electrolytes? Give several examples of strong acids and strong bases.arrow_forward
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General Chemistry | Acids & Bases; Author: Ninja Nerd;https://www.youtube.com/watch?v=AOr_5tbgfQ0;License: Standard YouTube License, CC-BY