Chemistry: The Central Science (13th Edition)
13th Edition
ISBN: 9780321910417
Author: Theodore E. Brown, H. Eugene LeMay, Bruce E. Bursten, Catherine Murphy, Patrick Woodward, Matthew E. Stoltzfus
Publisher: PEARSON
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Textbook Question
Chapter 3.1, Problem 3.1.1PE
You add 10.0 grams of solid copper(II) phosphate, Cu3(PO4)2, to a beaker and then add 100.0 mL of water to the beaker at T = 298 K. The solid does not appear to dissolve. You wait a long time, with occasional stirring and eventually measure the equilibrium concentration of Cu2+ (aq) in the water to be 5.01 X 10-8 M. What is the Ksp of copper(II) phosphate?
- 5.01 X 10-8
- 2.50 X 10-15
- 4.20 X 10-15
- 3.16 X 10-37
- 1.40 X 10-37
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You add 10.0 grams of solid copper(II) phosphate, Cu3(PO4)2,to a beaker and then add 100.0 mL of water to the beaker at T = 298 K. The solid does not appear to dissolve. You wait along time, with occasional stirring and eventually measurethe equilibrium concentration of Cu2 + (aq)in the water tobe 5.01 x 10-8 M. What is the Ksp of copper(II) phosphate?(a) 5.01 x10-8 (b) 2.50 x 10-15 (c) 4.20 x10-15(d) 3.16 x10-37 (e) 1.40 x 10-37
1.) Kc for the reaction of tin (i) ions with iron (iii) ions
Sn2+ (ag) +2FE3+ (aq) = Sn+ (aq) +2FE2+ (aq) is 1.0 x1010 at
298K. In an experiment at room temperature in which solutions of
Sn2+ (aq) and Fe3+ (ag) were mixed, the equilibrium concentrations of
tin ions were found to be
[Sn²+ (aq)] = 0.050 mol dm³
Sn4+ (aq)] = 0.040 mol dm-3
Calculate the concentrations of iron(iii) and iron(ii) ions at equilibrium.
%3D
(b) The groundwater in a calcite based aquifer on a Caribbean island has a calcium ion concentration of
1 × 103 mol L¹ and a carbonate ion concentration of 3.5 x 106 mol L™¹.
(i)
Write the equation for the dissociation of calcite.
(ii)
Write the Kp expression for calcite and calculate its value.
(iii) Calculate the degree of saturation of calcite in the ground water, if the Kp value was actually
3.3 × 10 mol²L2. What does the value indicate?
Chapter 3 Solutions
Chemistry: The Central Science (13th Edition)
Ch. 3.1 - You add 10.0 grams of solid copper(II) phosphate,...Ch. 3.1 - Prob. 3.1.2PECh. 3.1 - Consider a saturated solution of the salt MA3, in...Ch. 3.1 - Prob. 3.2.2PECh. 3.2 - Prob. 3.3.1PECh. 3.2 - Prob. 3.3.2PECh. 3.2 - Prob. 3.4.1PECh. 3.2 - Prob. 3.4.2PECh. 3.3 - An insoluble salt MA has a Kap of 1.0 × 10-10. Two...Ch. 3.3 - Does a precipitate form when 0.050 L of 2.0 × 10-2...
Ch. 3.3 - Under what conditions does an ionic compound...Ch. 3.3 - Prob. 3.6.2PECh. 3.4 - Prob. 3.7.1PECh. 3.4 - The following boxes represent aqueos solutions...Ch. 3.4 - Prob. 3.8.1PECh. 3.4 - Prob. 3.8.2PECh. 3.4 - Prob. 3.9.1PECh. 3.4 - Prob. 3.9.2PECh. 3.4 - For the generic equilibrium HA(aq)H+(aq)+A(aq) ,...Ch. 3.4 - Practice Exercise 2 Calculate the pH of a solution...Ch. 3.4 - Calculate the concentration of the lactate ion in...Ch. 3.4 - Practice Exercise 2 Calculate the format ion...Ch. 3.4 - Practice Exercise 1 If the pH of a buffer solution...Ch. 3.4 - Prob. 3.12.2PECh. 3.5 - Prob. 3.13.1PECh. 3.5 - Prob. 3.13.2PECh. 3.5 - Calculate the number of grams of ammonium chloride...Ch. 3.5 - Prob. 3.14.2PECh. 3.5 - Prob. 3.15.1PECh. 3.5 - Determine The pH of the original buffer described...Ch. 3.6 - An acid-base titration is performed: 250.0 mL of...Ch. 3.6 - Prob. 3.16.2PECh. 3.6 - Prob. 3.17.1PECh. 3.6 - Calculate the pH in the solution formed by adding...Ch. 3.7 - Prob. 3.18.1PECh. 3.7 - Prob. 3.18.2PECh. 3.7 - Prob. 3.19.1PECh. 3.7 - Prob. 3.19.2PECh. 3.7 - Prob. 3.20.1PECh. 3.7 - Prob. 3.20.2PECh. 3 - The accompanying graph shows the titration curves...Ch. 3 - Prob. 2ECh. 3 - Prob. 3ECh. 3 - Prob. 4ECh. 3 - Prob. 5ECh. 3 - Prob. 6ECh. 3 - Prob. 7ECh. 3 - Prob. 8ECh. 3 - Prob. 9ECh. 3 - Use information from Appendix D to calculate the...Ch. 3 - A buffer is prepared by adding 10.0 g of ammonium...Ch. 3 - You are asked to prepare a pH = 3.00 buffer...Ch. 3 - You are asked to prepare an pH = 4.00 buffer...Ch. 3 - Prob. 14ECh. 3 - Prob. 15ECh. 3 - Prob. 16ECh. 3 - Prob. 17ECh. 3 - Prob. 18ECh. 3 - Prob. 19ECh. 3 - Prob. 20ECh. 3 - 17.35 The samples of nitric and acetic acids shows...Ch. 3 - 17.36 Determine whether each of the following...Ch. 3 - Prob. 23ECh. 3 - Prob. 24ECh. 3 - Prob. 25ECh. 3 - Assume that 30.0 mL of a M solution of a week base...Ch. 3 - Prob. 27ECh. 3 - Prob. 28ECh. 3 - Prob. 29ECh. 3 - Prob. 30ECh. 3 - Consider the titration of 30.0 mL of 0.050 M NH3...Ch. 3 - Prob. 32ECh. 3 - Prob. 33ECh. 3 - Prob. 34ECh. 3 - The solubility of two slighty soluble salts of...Ch. 3 - Prob. 36ECh. 3 - 17.52
a. true or false: solubility and...Ch. 3 - If the molar solubility CaF2 at 35 C is 1.24 *10-3...Ch. 3 - Prob. 39ECh. 3 - Prob. 40ECh. 3 - using calculate the molar solubility of AgBr in a....Ch. 3 - calculate the solubility of LaF3 in grams per...Ch. 3 - Prob. 43ECh. 3 - Consider a beaker containing a saturated solution...Ch. 3 - Calculate the solubility of Mn (OH) 2 in grams per...Ch. 3 - Calculate the molar solubility of Ni (OH) 2 when...Ch. 3 - 17.63 Which of the following salts will be...Ch. 3 - For each of the following slightly soluble salts,...Ch. 3 - Prob. 49ECh. 3 - Use values of Kap for Agl and Kf for Ag (CN) 2- to...Ch. 3 - Prob. 51ECh. 3 - Prob. 52ECh. 3 - Prob. 53ECh. 3 - Calculate the minimum pH needed to precipitate Mn...Ch. 3 - Prob. 55ECh. 3 - Prob. 56ECh. 3 - Prob. 57ECh. 3 - Prob. 58ECh. 3 - Prob. 59ECh. 3 - An unknown solid is entirely soluble in water. On...Ch. 3 - Prob. 61ECh. 3 - Prob. 62ECh. 3 - 17.81
Precipitation of the group 4 cautions of...Ch. 3 - Prob. 64ECh. 3 - Prob. 65ECh. 3 - Prob. 66ECh. 3 - Furoic acid (HC5H3O3) has a K value of 6.76 x 10-4...Ch. 3 - Prob. 68ECh. 3 - Equal quantities of 0.010 M solution of an acid HA...Ch. 3 - 17.89 A biochemist needs 750 ml of an acetic...Ch. 3 - (a) Define the terms limiting reactant and excess...Ch. 3 - Prob. 72ECh. 3 - Prob. 73ECh. 3 - Prob. 74ECh. 3 - What is the pH of a solution made by mixing 0.30...Ch. 3 - Suppose you want to do a physiological experiment...Ch. 3 - Prob. 77ECh. 3 - Prob. 78ECh. 3 - For each pair of compounds, use Kap values to...Ch. 3 - Tooth enamel is composed of hydroxyapatite, whose...Ch. 3 - Salts containing the phosphate ion are added to...Ch. 3 - Prob. 82ECh. 3 - 17.103 The solubility –product constant for barium...Ch. 3 - Prob. 84ECh. 3 - Prob. 85ECh. 3 - A buffer of what pH is needed to give a Mg2+...Ch. 3 - The value of Kap for Mg3(AsO4)2 is 2.1 10-20 ....Ch. 3 - Prob. 88AECh. 3 - Prob. 89AECh. 3 - Prob. 90AECh. 3 - Prob. 91AECh. 3 - Prob. 92AECh. 3 - Prob. 93AECh. 3 - Prob. 94AECh. 3 - Prob. 95AECh. 3 - A concentration of 10-100 parts per billion (by...Ch. 3 - Prob. 97AECh. 3 - Prob. 98AECh. 3 - In nonaqueous solvents, it is possible to react HF...Ch. 3 - Prob. 100AECh. 3 - Prob. 101AECh. 3 - Prob. 102AECh. 3 - 17.9 The following graphs represent the behavior...Ch. 3 - Prob. 104AECh. 3 - 17.11 The graph below shows the solubility of a...Ch. 3 - Prob. 106IECh. 3 - Prob. 107IECh. 3 - (a) If an automobile travels 225 mi with a gas...Ch. 3 - Prob. 109IECh. 3 - Prob. 110IECh. 3 - Hydrogen cyanide, HCN, is a poisonous gas. The...Ch. 3 - Prob. 112IE
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