General Chemistry: Principles and Modern Applications (11th Edition)
11th Edition
ISBN: 9780132931281
Author: Ralph H. Petrucci, F. Geoffrey Herring, Jeffry D. Madura, Carey Bissonnette
Publisher: PEARSON
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Question
Chapter 5, Problem 73IAE
Interpretation Introduction
(a)
Interpretation:
The reason for no effect of the presence of sodium carbonate in sodium hydroxide solution on the experimental results should be determined.
Concept introduction:
The substance that releases
1. Strong Bases
2. Weak Bases
The bases that dissociate completely into the respective ions when dissolved in the solution is known as strong bases while the bases that dissociate partially into the respective ions when dissolved in the solution is known as liquid bases.
Interpretation Introduction
(b)
Interpretation:
The reason for effect of the presence of sodium carbonate more than
Concept introduction:
The substance that releases
1. Strong Bases
2. Weak Bases
The bases that dissociate completely into the respective ions when dissolved in the solution is known as strong bases while the bases that dissociate partially into the respective ions when dissolved in the solution is known as liquid bases.
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The samples of nitric and acetic acids shown here are bothtitrated with a 0.100 M solution of NaOH(aq).
Determine whether each of the following statements concerningthese titrations is true or false.(a) A larger volume of NaOH(aq) is needed to reach theequivalence point in the titration of HNO3.(b) The pH at the equivalence point in the HNO3 titrationwill be lower than the pH at the equivalence point inthe CH3COOH titration.(c) Phenolphthalein would be a suitable indicator for bothtitrations.
(a) Calculate the pH of the 0.30 M NH3 / 0.35 M NH4Cl buffer.
What is the pH of the buffer after the addition of 0.030 mol HCl?
note: Ka (NH4+) = 5.6 x 10 -10
NH3 (aq) + H+ (aq) → NH4+ (aq)
(b) What are the hydronium [H3O+] and hydroxide [OH-] ion concentrations at 25°C in a 4.0 M aqueous Mg(OH)2.
4) A highly toxic hydrogen cyanide (HCN) is a weak acid. A chemical engineer plans to determine
pH of a 50 mL sample of HCN (0.10 M) in a titration process. To this end, she used 0.20 M NaOH
as a titrant in varying volumes. Calculate the pH of the solution at the following points:
(Ka for HCN=6.2×10-¹0)
(a) Before addition of NaOH (initial pH),
(b) After 10.00 mL of titrant addition,
(c) After 25.00 mL of titrant addition,
(d) After 50.00 mL of titrant addition.
Chapter 5 Solutions
General Chemistry: Principles and Modern Applications (11th Edition)
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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