Laboratory Experiments for Chemistry: The Central Science (13th Edition)
13th Edition
ISBN: 9780321949912
Author: Theodore E. Brown, John H. Nelson, Kenneth C. Kemp
Publisher: PEARSON
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Textbook Question
Chapter 3, Problem 11E
A buffer is prepared by adding 10.0 g of ammonium chloride (NH4CI) to 250 mL of 1.00 M NH3 solution.
- What is the pH of this buffer?
- Write the complete ionic equation for the reaction that occurs when a few drops of nitric acid are added to the buffer.
- Write the complete ionic equation for the reaction that occurs when a few drops of potassium hydroxide solution are added to the buffer.
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Chapter 3 Solutions
Laboratory Experiments for 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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