EBK GENERAL CHEMISTRY
11th Edition
ISBN: 8220103631259
Author: Bissonnette
Publisher: YUZU
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Question
Chapter 5, Problem 62E
Interpretation Introduction
(a)
Interpretation:
A molecular view depicting the equivalence point in the titration of HCl (aq) with KOH (aq) should be sketched.
Concept introduction:
- Titration is a method of quantitative analysis which is used to determine the concentration of unknown solutions.
- A titrant of known concentration is added to an analyte of known volume in the presence of a suitable indicator until the equivalence point is reached which is indicated by a change in the color of the analyte.
- In a titration, equivalence point is the point at which the amount of titrant added is just sufficient to neutralize the amount of analyte taken.
Interpretation Introduction
(b)
Interpretation:
A molecular view depicting the halfway to equivalence point in the titration of CH3COOH (aq) with NaOH (aq) should be sketched.
Concept introduction:
- Titration is a method of quantitative analysis which is used to determine the concentration of unknown solutions.
- A titrant of known concentration is added to an analyte of known volume in the presence of a suitable indicator until the equivalence point is reached which is indicated by a change in the color of the analyte.
- In a titration, equivalence point is the point at which the amount of titrant added is just sufficient to neutralize the amount of analyte taken.
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A student measures that it takes 7.21mL of 0.326 M NaOH (aq) solution to reach the first equivalence point of a titration of 100.0 mL of phosphoric acid solution. He also notes that it takes a total of 14.40 mL of 0.326 M NaOH (aq) solution to reach the second equivalence point. What is the concentration of the phosphoric acid solution?
1. Consider the titration of 25.00 mL of 0.150 M acetic acid (HC2H3O2, Ka = 1.8 × 10−5 ) (aq) with 0.175 M NaOH(aq). What is the pH of the titration solution . . . a. . . . before any NaOH is added?
b. . . . after 10.00 mL of NaOH is added?
c. . . . at the equivalence point? Also, what volume of NaOH is required to reach this?
d. For this titration, which is the best indicator to use: phenolphthalein, bromothymol blue, or methyl orange? Justify your answer
1. When H2SO4(aq) was reacted with NaOH(aq) in the titration, why was a precipitate not
formed?
2.
What do we mean by standardization of an aqueous solution of H2SO4?
3.
In this acid-base titration, what did we use to measure the volume of the H2SO4(aq)?
What do we mean by the end point of a titration?
Chapter 5 Solutions
EBK GENERAL CHEMISTRY
Ch. 5 - Using information from this chapter, indicate...Ch. 5 - Select the (a) best and (b) poorest electrical...Ch. 5 - What response would you expect in the apparatus of...Ch. 5 - NH2(aq) conducts electric current only weakly. The...Ch. 5 - Sketches (a-c) are molecular views of the solute...Ch. 5 - Prob. 6ECh. 5 - Determine the concentration of the ion indicated...Ch. 5 - Which solution has the greatest [SO42] ? a....Ch. 5 - A solution is prepared by dissolving...Ch. 5 - Prob. 10E
Ch. 5 - Prob. 11ECh. 5 - Prob. 12ECh. 5 - Which of the following aqueous solutions has the...Ch. 5 - Prob. 14ECh. 5 - Prob. 15ECh. 5 - If 18.2 mL H2O evaporates from 1.00 L of a...Ch. 5 - Prob. 17ECh. 5 - Assuming the volumes are additive, what he [NO3]...Ch. 5 - Complete each of the following as net ionic...Ch. 5 - Prob. 20ECh. 5 - Prob. 21ECh. 5 - Predict in each case whether a reaction is likely...Ch. 5 - What reagent solution might you use to separate...Ch. 5 - Prob. 24ECh. 5 - Prob. 25ECh. 5 - Prob. 26ECh. 5 - Complete each of the following as a net ionic...Ch. 5 - Every antacid one or more ingredients capable of...Ch. 5 - Prob. 29ECh. 5 - Prob. 30ECh. 5 - Which solutions would you use to precipitate Mg24...Ch. 5 - Prob. 32ECh. 5 - Assign oxidation states to the elements involved...Ch. 5 - Explain why these reactions cannot occur as...Ch. 5 - Prob. 35ECh. 5 - Prob. 36ECh. 5 - Balance these equations for redox reactions...Ch. 5 - Balance these equations for redox reactions...Ch. 5 - Balance these equations for redox reactions in...Ch. 5 - Balance these equations for redox reactions...Ch. 5 - Balance these equations for disproportionation...Ch. 5 - Prob. 42ECh. 5 - Prob. 43ECh. 5 - Prob. 44ECh. 5 - The following reactions do not occur in aqueous...Ch. 5 - The reactions do not occur in aqueous solutions....Ch. 5 - What are the oxidizing and reducing agents in the...Ch. 5 - Thiosulfate ion, S2O32 , is a reducing agent can...Ch. 5 - What volume of 0.0962 N NaOH is required to...Ch. 5 - Prob. 50ECh. 5 - Prob. 51ECh. 5 - How many milliliters of 0.0750MBa(OH)2 are...Ch. 5 - An NaOH(aq) solution cannot be made up to an exact...Ch. 5 - Household ammonia, used as a window cleaner and...Ch. 5 - Prob. 55ECh. 5 - Prob. 56ECh. 5 - Prob. 57ECh. 5 - A 7.55 g sample of Na2CO2(s) is added to 125 mL of...Ch. 5 - Prob. 59ECh. 5 - Prob. 60ECh. 5 - Prob. 61ECh. 5 - Prob. 62ECh. 5 - A KMnO4(eq) solution is to be standardized by...Ch. 5 - Prob. 64ECh. 5 - An iron ore sample weighing0.6132 g dissolved...Ch. 5 - The concentration of Mn2+(aq) can be determined by...Ch. 5 - The titration of 5.00 mL of a saturated solution...Ch. 5 - Prob. 68ECh. 5 - Prob. 69IAECh. 5 - Following are some laboratory methods occasionally...Ch. 5 - Prob. 71IAECh. 5 - You have a solution that is 0.0250 M Ba(OH) and...Ch. 5 - Prob. 73IAECh. 5 - Prob. 74IAECh. 5 - Prob. 75IAECh. 5 - An unknown whitesolid consists of two compounds,...Ch. 5 - Balance these equations for reactions in acidic...Ch. 5 - Prob. 78IAECh. 5 - A method of producing phosphine, PH2, from...Ch. 5 - Prob. 80IAECh. 5 - Prob. 81IAECh. 5 - A piece of marble (assume it is pure CaCO2) reacts...Ch. 5 - The reaction below can be used as laboratory...Ch. 5 - Refer to Example 5-10. Suppose that the KMnO4(aq)...Ch. 5 - Prob. 85IAECh. 5 - A 0.4324 g sample of a potassium hydroxidelithium...Ch. 5 - Prob. 87IAECh. 5 - Prob. 88IAECh. 5 - The active ingredients h a particular antacid...Ch. 5 - Prob. 90IAECh. 5 - Prob. 91IAECh. 5 - Copper refining traditionally involves "roasting"...Ch. 5 - Prob. 93IAECh. 5 - Sodium cyclopentadienide, NaC2H2, is a common...Ch. 5 - Manganese is derived from pyrolusiteore, an impure...Ch. 5 - Prob. 96FPCh. 5 - Prob. 97FPCh. 5 - Prob. 98FPCh. 5 - Prob. 99SAECh. 5 - Prob. 100SAECh. 5 - Prob. 101SAECh. 5 - Prob. 102SAECh. 5 - Prob. 103SAECh. 5 - Prob. 104SAECh. 5 - Prob. 105SAECh. 5 - Prob. 106SAECh. 5 - Prob. 107SAECh. 5 - When aqueous sodium carbonate, Na2CO2, is treated...Ch. 5 - Prob. 109SAECh. 5 - Consider the following redox reaction:...Ch. 5 - Balance the following oxidation—reduction...Ch. 5 - Prob. 112SAECh. 5 - What is the simplest ratio a:b when the equation...Ch. 5 - In the half-reaction in which NpO2+ is converted...Ch. 5 - Which list of compounds contains a nonelectrolyte,...Ch. 5 - Prob. 116SAECh. 5 - Which list of compounds contains two soluble...Ch. 5 - Classify each of the blowing statements as true or...Ch. 5 - Which of the following reactions are oxidation-...Ch. 5 - Prob. 120SAECh. 5 - Prob. 121SAE
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Acid-Base Titration | Acids, Bases & Alkalis | Chemistry | FuseSchool; Author: FuseSchool - Global Education;https://www.youtube.com/watch?v=yFqx6_Y6c2M;License: Standard YouTube License, CC-BY