Chemistry
7th Edition
ISBN: 9780321940872
Author: John E. McMurry, Robert C. Fay, Jill Kirsten Robinson
Publisher: PEARSON
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Textbook Question
Chapter 16, Problem 16.73SP
Calculate the pH of 0.375 L of a 0.18 M acetic acid—0.29 M sodium acetate buffer before and after the addition of (a) 0.0060mol of KOH and (b) 0.0060 mol of HBr. Assume that the volume remains constant.
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One Liter of buffer at pH of 4.30 contains 0.33 M of sodium benzoate and 0.26 M of benzoic acid. What is the proton concentration in the solution after the addition of 0.058 mol of HCl (assume the volume does not change)?
2. Acetate buffers are used in biochemical studies of enzymes and other chemical components of
cells to prevent pH changes that might change the biochemical activity of these compounds.
a)
Calculate the pH of an acetate buffer that is a mixture with 0.10M acetic acid and 0.10M
sodium acetate.
b)
Calculate the pH after 1.0 mL of 0.10M NaOH is added to 100.0mL of this buffer.
Calculate the pH after 1.0 mL of 0.10M HCI is added to 100.0mL of this buffer.
c)
How many moles of NH4Cl must be added to 2.0 L of 0.10 M NH3 to form a buffer whose pH is 9.00? (Assume that the addition of NH4Cl does not change the volume of the solution.)
Chapter 16 Solutions
Chemistry
Ch. 16 - Prob. 16.1PCh. 16 - APPLY 16.2 Write balanced net ionic equations for...Ch. 16 - PRACTICE 16.3 Calculate the concentrations of all...Ch. 16 - APPLY 16.4 Calculate the pH of a solution prepared...Ch. 16 - Conceptual PRACTICE 16.5 The following pictures...Ch. 16 - Conceptual APPLY 16.6 The following pictures...Ch. 16 - Prob. 16.7PCh. 16 - Prob. 16.8ACh. 16 - Prob. 16.9PCh. 16 - PRACTICE 16.10 Use the Henderson-Hasselbalch...
Ch. 16 - APPLY 16.11 The of the amine group of the amino...Ch. 16 - PRACTICE 16.12 How would you prepare anbuffer...Ch. 16 - APPLY 16.13 Suppose you are performing an...Ch. 16 - Prob. 16.14PCh. 16 - APPLY 16.15 A 40.0 mL volume of 0.100 M NaOH is...Ch. 16 - Prob. 16.16PCh. 16 - Prob. 16.17ACh. 16 - Prob. 16.18PCh. 16 - Prob. 16.19ACh. 16 - PRACTICE 16.20 Write the equilibrium-constant...Ch. 16 - Prob. 16.21ACh. 16 - Prob. 16.22PCh. 16 - Prob. 16.23ACh. 16 - Prob. 16.24PCh. 16 - Prob. 16.25ACh. 16 - Prob. 16.26PCh. 16 - Prob. 16.27ACh. 16 - Prob. 16.28PCh. 16 - Prob. 16.29PCh. 16 - Prob. 16.30ACh. 16 - Prob. 16.31PCh. 16 - Prob. 16.32ACh. 16 - Prob. 16.33PCh. 16 - Prob. 16.34ACh. 16 - PROBLEM 16.35 Determine whether Cd2+ can be...Ch. 16 - Prob. 16.36PCh. 16 - Prob. 16.37PCh. 16 - Prob. 16.38PCh. 16 - Prob. 16.39PCh. 16 - Prob. 16.40CPCh. 16 - The following pictures represent initial...Ch. 16 - Prob. 16.42CPCh. 16 - The following pictures represent solutions at...Ch. 16 - The following pictures represent solutions at...Ch. 16 - Prob. 16.45CPCh. 16 - Prob. 16.46CPCh. 16 - Prob. 16.47CPCh. 16 - Prob. 16.48CPCh. 16 - Prob. 16.49CPCh. 16 - 16.50 Is the pH greater than, equal to, or less...Ch. 16 - Is the pH greater than, equal to, or less than 7...Ch. 16 - Prob. 16.52SPCh. 16 - Prob. 16.53SPCh. 16 - Prob. 16.54SPCh. 16 - Prob. 16.55SPCh. 16 - 16.56 The equilibrium constant for the...Ch. 16 - 16.57 The equilibrium constant for the...Ch. 16 - 16.58 Does the pH increase, decrease, or remain...Ch. 16 - 16.59 Does the pH increase, decrease, or remain...Ch. 16 - 16.60 Calculate the pH of a solution that is 0.25...Ch. 16 - Prob. 16.61SPCh. 16 - Prob. 16.62SPCh. 16 - The pH of a solution of NH3 and NH4Br is 8.90....Ch. 16 - Prob. 16.64SPCh. 16 - Prob. 16.65SPCh. 16 - Prob. 16.66SPCh. 16 - Which of the following gives a buffer solution...Ch. 16 - Prob. 16.68SPCh. 16 - Prob. 16.69SPCh. 16 - Prob. 16.70SPCh. 16 - Prob. 16.71SPCh. 16 - Prob. 16.72SPCh. 16 - Calculate the pH of 0.375 L of a 0.18 M acetic...Ch. 16 - Prob. 16.74SPCh. 16 - Prob. 16.75SPCh. 16 - Prob. 16.76SPCh. 16 - Prob. 16.77SPCh. 16 - Prob. 16.78SPCh. 16 - Prob. 16.79SPCh. 16 - Prob. 16.80SPCh. 16 - Prob. 16.81SPCh. 16 - Prob. 16.82SPCh. 16 - Prob. 16.83SPCh. 16 - Prob. 16.84SPCh. 16 - Prob. 16.85SPCh. 16 - Prob. 16.86SPCh. 16 - Prob. 16.87SPCh. 16 - Prob. 16.88SPCh. 16 - Prob. 16.89SPCh. 16 - Prob. 16.90SPCh. 16 - Prob. 16.91SPCh. 16 - Prob. 16.92SPCh. 16 - Prob. 16.93SPCh. 16 - Prob. 16.94SPCh. 16 - Prob. 16.95SPCh. 16 - Prob. 16.96SPCh. 16 - 16.97 What is the pH at the equivalence point for...Ch. 16 - Prob. 16.98SPCh. 16 - Prob. 16.99SPCh. 16 - Prob. 16.100SPCh. 16 - Prob. 16.101SPCh. 16 - Prob. 16.102SPCh. 16 - Prob. 16.103SPCh. 16 - Prob. 16.104SPCh. 16 - Prob. 16.105SPCh. 16 - Prob. 16.106SPCh. 16 - Prob. 16.107SPCh. 16 - Use Le Châtelier’s principle to explain the...Ch. 16 - Use Le Châtelier’s principle to predict whether...Ch. 16 - Calculate the molar solubility of PbCrO4 in: (a)...Ch. 16 - Prob. 16.111SPCh. 16 - Prob. 16.112SPCh. 16 - Prob. 16.113SPCh. 16 - Prob. 16.114SPCh. 16 - Prob. 16.115SPCh. 16 - Prob. 16.116SPCh. 16 - Dissolution of 5.010-3 mol of CrOH3 in 1.0L of...Ch. 16 - Prob. 16.118SPCh. 16 - Prob. 16.119SPCh. 16 - Prob. 16.120SPCh. 16 - Prob. 16.121SPCh. 16 - Prob. 16.122SPCh. 16 - Prob. 16.123SPCh. 16 - Prob. 16.124SPCh. 16 - Prob. 16.125SPCh. 16 - Prob. 16.126SPCh. 16 - Prob. 16.127SPCh. 16 - Prob. 16.128SPCh. 16 - Prob. 16.129SPCh. 16 - Prob. 16.130SPCh. 16 - Prob. 16.131SPCh. 16 - Prob. 16.132CPCh. 16 - Prob. 16.133CPCh. 16 - Prob. 16.134CPCh. 16 - Prob. 16.135CPCh. 16 - Prob. 16.136CPCh. 16 - Prob. 16.137CPCh. 16 - Prob. 16.138CPCh. 16 - Prob. 16.139CPCh. 16 - Prob. 16.140CPCh. 16 - Prob. 16.141CPCh. 16 - Prob. 16.142CPCh. 16 - Prob. 16.143CPCh. 16 - Prob. 16.144CPCh. 16 - Prob. 16.145CPCh. 16 - Prob. 16.146CPCh. 16 - The acidity of lemon juice is derived primarily...Ch. 16 - Prob. 16.148CPCh. 16 - Prob. 16.149CPCh. 16 - Prob. 16.150CPCh. 16 - Prob. 16.151CPCh. 16 - Prob. 16.152MPCh. 16 - Prob. 16.153MPCh. 16 - Prob. 16.154MPCh. 16 - Prob. 16.155MPCh. 16 - Prob. 16.156MPCh. 16 - Prob. 16.157MPCh. 16 - Prob. 16.158MPCh. 16 - In qualitative analysis, Ca2+ and Ba2+ are...Ch. 16 - Prob. 16.160MPCh. 16 - Prob. 16.161MP
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Solutions: Crash Course Chemistry #27; Author: Crash Course;https://www.youtube.com/watch?v=9h2f1Bjr0p4;License: Standard YouTube License, CC-BY