Chemistry: An Atoms First Approach
2nd Edition
ISBN: 9781305079243
Author: Steven S. Zumdahl, Susan A. Zumdahl
Publisher: Cengage Learning
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Chapter 15, Problem 87AE
Calculate the concentration of Pb2+ in each of the following.
a. a saturated solution of Pb(OH)2, Ksp = 1.2 × 10−15
b. a saturated solution of Pb(OH)2 buffered at pH = 13.00
c. Ethylenediaminetetraacetate (EDTA4−) is used as a complexing agent in chemical analysis and has the following structure:
Solutions of EDTA4− are used to treat heavy metal poisoning by removing the heavy metal in the form of a soluble complex ion. The reaction of EDTA4− with Pb2+ is
Consider a solution with 0.010 mole of Pb(NO3)2 added to 1.0 L of an aqueous solution buffered at pH = 13.00 and containing 0.050 M Na4.EDTA. Does Pb(OH)2 precipitate from this solution?
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6. A 100 mL sample of 0.13 M trimethylamine, (CH3)3N, aqueous solution is titrated with 0.31 M HCI
solution at 25 °C. Kb for (CH3)3N = 6.4 x 10-5.
a. Calculate the pH of the solution after 25 mL of HCl solution has been added.
b. How many mL of 0.31 M HCl need to be added to the sample to reach the equivalence point? What
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In reaction with aqueous ammonia, Zn(OH)2 forms a complex ion. Explain the term complex ion, and explain how the formation of such a species can affect the solubility of a salt.
Chapter 15 Solutions
Chemistry: An Atoms First Approach
Ch. 15 - To what reaction does the solubility product...Ch. 15 - Prob. 2RQCh. 15 - Prob. 3RQCh. 15 - Prob. 4RQCh. 15 - Prob. 5RQCh. 15 - Prob. 6RQCh. 15 - Prob. 7RQCh. 15 - Prob. 8RQCh. 15 - Prob. 9RQCh. 15 - Prob. 10RQ
Ch. 15 - Prob. 1ALQCh. 15 - Prob. 2ALQCh. 15 - Prob. 3ALQCh. 15 - A friend tells you: The constant Ksp of a salt is...Ch. 15 - Prob. 5ALQCh. 15 - Prob. 6ALQCh. 15 - Prob. 7ALQCh. 15 - For which of the following is the Ksp value of the...Ch. 15 - Ag2S(s) has a larger molar solubility than CuS...Ch. 15 - Prob. 10QCh. 15 - Prob. 11QCh. 15 - When Na3PO4(aq) is added to a solution containing...Ch. 15 - The common ion effect for ionic solids (salts) is...Ch. 15 - Prob. 14QCh. 15 - Prob. 15QCh. 15 - The stepwise formation constants for a complex ion...Ch. 15 - Prob. 17QCh. 15 - Prob. 18QCh. 15 - Write balanced equations for the dissolution...Ch. 15 - Write balanced equations for the dissolution...Ch. 15 - Prob. 21ECh. 15 - Use the following data to calculate the Ksp value...Ch. 15 - Approximately 0.14 g nickel(II) hydroxide,...Ch. 15 - The solubility of the ionic compound M2X3, having...Ch. 15 - Prob. 25ECh. 15 - Prob. 26ECh. 15 - Calculate the solubility of each of the following...Ch. 15 - Prob. 28ECh. 15 - Cream of tartar, a common ingredient in cooking,...Ch. 15 - Prob. 30ECh. 15 - Prob. 31ECh. 15 - Calculate the molar solubility of Cd(OH)2, Ksp =...Ch. 15 - Calculate the molar solubility of Al(OH)3, Ksp = 2...Ch. 15 - Calculate the molar solubility of Co(OH)3, Ksp =...Ch. 15 - Prob. 35ECh. 15 - For each of the following pairs of solids,...Ch. 15 - Calculate the solubility (in moles per liter) of...Ch. 15 - Calculate the solubility of Co(OH)2(s) (Ksp = 2.5 ...Ch. 15 - The Ksp for silver sulfate (Ag2SO4) is 1.2 105....Ch. 15 - Prob. 40ECh. 15 - Prob. 41ECh. 15 - Prob. 42ECh. 15 - Prob. 43ECh. 15 - The solubility of Pb(IO3)(s) in a 0.10-M KIO3...Ch. 15 - Prob. 45ECh. 15 - For which salt in each of the following groups...Ch. 15 - What mass of ZnS (Ksp = 2.5 1022) will dissolve...Ch. 15 - The concentration of Mg2+ in seawater is 0.052 M....Ch. 15 - Will a precipitate form when 100.0 mL of 4.0 104...Ch. 15 - A solution contains 1.0 105 M Ag+ and 2.0 106 M...Ch. 15 - A solution is prepared by mixing 100.0 mL of 1.0 ...Ch. 15 - Prob. 52ECh. 15 - Calculate the final concentrations of K+(aq),...Ch. 15 - Prob. 54ECh. 15 - A 50.0-mL sample of 0.00200 M AgNO3 is added to...Ch. 15 - Prob. 56ECh. 15 - A solution contains 1.0 105 M Na3PO4. What is the...Ch. 15 - The Ksp of Al(OH)3 is 2 1032. At what pH will a...Ch. 15 - A solution is 1 104 M in NaF, Na2S, and Na3PO4....Ch. 15 - A solution contains 0.25 M Ni(NO3)2 and 0.25 M...Ch. 15 - Write equations for the stepwise formation of each...Ch. 15 - Write equations for the stepwise formation of each...Ch. 15 - In the presence of CN, Fe3+ forms the complex ion...Ch. 15 - In the presence of NH3, Cu2+ forms the complex ion...Ch. 15 - Prob. 65ECh. 15 - Prob. 66ECh. 15 - The overall formation constant for HgI42 is 1.0 ...Ch. 15 - Prob. 68ECh. 15 - A solution is formed by mixing 50.0 mL of 10.0 M...Ch. 15 - A solution is prepared by mixing 100.0 mL of 1.0 ...Ch. 15 - a. Calculate the molar solubility of AgI in pure...Ch. 15 - Solutions of sodium thiosulfate are used to...Ch. 15 - Kf for the complex ion Ag(NH3)2+ is 1.7 107. Ksp...Ch. 15 - Prob. 74ECh. 15 - Prob. 75ECh. 15 - The solubility of copper(II) hydroxide in water...Ch. 15 - A solution contains 0.018 mole each of I, Br, and...Ch. 15 - Prob. 78AECh. 15 - Tooth enamel is composed of the mineral...Ch. 15 - Prob. 80AECh. 15 - What mass of Ca(NO3)2 must be added to 1.0 L of a...Ch. 15 - Calculate the mass of manganese hydroxide present...Ch. 15 - Prob. 83AECh. 15 - The active ingredient of Pepto-Bismol is the...Ch. 15 - Prob. 85AECh. 15 - The equilibrium constant for the following...Ch. 15 - Calculate the concentration of Pb2+ in each of the...Ch. 15 - Will a precipitate of Cd(OH)2 form if 1.0 mL of...Ch. 15 - Prob. 89AECh. 15 - Describe how you could separate the ions in each...Ch. 15 - Prob. 91AECh. 15 - Prob. 92AECh. 15 - Prob. 93CWPCh. 15 - Prob. 94CWPCh. 15 - Prob. 95CWPCh. 15 - The solubility of Pb(IO3)2(s) in a 7.2 102-M KIO3...Ch. 15 - A 50.0-mL sample of 0.0413 M AgNO3(aq) is added to...Ch. 15 - Prob. 98CWPCh. 15 - Prob. 99CPCh. 15 - Consider a solution made by mixing 500.0 mL of 4.0...Ch. 15 - a. Calculate the molar solubility of AgBr in pure...Ch. 15 - Prob. 102CPCh. 15 - Prob. 103CPCh. 15 - Calcium oxalate (CaC2O4) is relatively insoluble...Ch. 15 - What is the maximum possible concentration of Ni2+...Ch. 15 - A mixture contains 1.0 103 M Cu2+ and 1.0 103 M...Ch. 15 - Sodium tripolyphosphate (Na5P3O10) is used in many...Ch. 15 - You add an excess of solid MX in 250g water. You...Ch. 15 - a. Calculate the molar solubility of SrF2 in...Ch. 15 - Prob. 110IPCh. 15 - Prob. 111IPCh. 15 - Prob. 112IPCh. 15 - Aluminum ions react with the hydroxide ion to form...
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- When 5 M ammonia is added to a solution containing Cu(OH)2(s), the precipitate will eventually dissolve in solution. Why? If 5 M HNO3 is then added, the Cu(OH)2 precipitate re-forms. Why? In general, what effect does the ability of a cation to form a complex ion have on the solubility of salts containing that cation?arrow_forwardA buffer solution is prepared from 5.15 g NH4NO3 and 0.10 L of 0.15-M NH3; calculate the pH of the solution.arrow_forwardWrite equations for the stepwise formation of each of the following complex ions. a. CoF63 b. Zn(NH3)42+arrow_forward
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