Chemistry: Principles and Practice
3rd Edition
ISBN: 9780534420123
Author: Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher: Cengage Learning
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Chapter 16, Problem 16.78QE
(a)
Interpretation Introduction
Interpretation:
The
(b)
Interpretation Introduction
Interpretation:
A possible solution has to be proposed regarding to high sodium concentration in the experiment.
(c)
Interpretation Introduction
Interpretation:
An experiment or a calculation has to be proposed to determine whether Henderson-Hasselbalch equation fails under these conditions or not.
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a) What is the pH of a buffer solution that is made by dissolving 125.5 g of sodium benzoate and 166.9g of benzoic acid in 500 mL of water?
(b) What is the pH if you added 26.7 mL of 2.22 M NaOH to 254 mL of the buffer solution from above?
(c) What is the pH if you added 32.8 mL of 3.36 M HCl to 354 mL of the buffer solution from above?
Dont
33. Consider a buffer solution that contains 0.45 M HCOOH and 0.55 M NaHCOO.
Note that the Ka for formic acid (HCOOH) is 1.8 x 104.
(a) Calculate the pH of this buffer solution.
pH =
(b) Write the net ionic chemical equation that occurs when potassium hydroxide (KOH) (MW of
KOH = 56.1 g/mol) is added to the buffer.
(c) If 0.260 g of solid KOH is added to 250. mL of this buffer solution, what is the resulting pH
of the solution?
New pH =
A buffer solution is prepared by dissolving 4.7 g of nitrous acid, HNO2 , and 13.8 g of sodium nitrite, NaNO2, in 1.0 liter of solution. (a) Calculate the pH of the buffer. (b) Calculate the pH of the solution which results when the following are added to separate 100 mL portions of the buffer: (i) 5.0 mmol of HCI; (ii) 5.0 mmol of NaOH. Ka = 4.5 x 104 %3D
Chapter 16 Solutions
Chemistry: Principles and Practice
Ch. 16 - Prob. 16.1QECh. 16 -
Sketch a titration curve for the titration of...Ch. 16 - Prob. 16.4QECh. 16 - Prob. 16.5QECh. 16 - Explain why the HendersonHasselbalch equation...Ch. 16 - Prob. 16.7QECh. 16 - Prob. 16.8QECh. 16 - Prob. 16.9QECh. 16 - Prob. 16.11QECh. 16 - Prob. 16.13QE
Ch. 16 - Prob. 16.14QECh. 16 - Prob. 16.15QECh. 16 - Prob. 16.16QECh. 16 - Prob. 16.17QECh. 16 - Prob. 16.18QECh. 16 - Calculate the pH during the titration of 100.0 mL...Ch. 16 - Prob. 16.20QECh. 16 - Prob. 16.21QECh. 16 - Calculate the pH during the titration of 50.00 mL...Ch. 16 - Prob. 16.23QECh. 16 - Calculate the pH during the titration of 50.00 mL...Ch. 16 - Prob. 16.25QECh. 16 - Prob. 16.26QECh. 16 - Prob. 16.27QECh. 16 - Prob. 16.28QECh. 16 -
Calculate the pH of solutions that are
0.25 M...Ch. 16 - Prob. 16.30QECh. 16 - Prob. 16.31QECh. 16 - Prob. 16.32QECh. 16 - Prob. 16.35QECh. 16 - Prob. 16.36QECh. 16 - Prob. 16.37QECh. 16 - Prob. 16.38QECh. 16 - Prob. 16.39QECh. 16 -
How many grams of sodium acetate must be added to...Ch. 16 - Prob. 16.41QECh. 16 - Prob. 16.42QECh. 16 - A buffer solution that is 0.100 M acetate ion and...Ch. 16 - Prob. 16.44QECh. 16 - Prob. 16.45QECh. 16 - Prob. 16.46QECh. 16 - Prob. 16.47QECh. 16 - Prob. 16.48QECh. 16 - Estimate the pH that results when the following...Ch. 16 - Estimate the pH that results when the following...Ch. 16 - Prob. 16.51QECh. 16 - Prob. 16.52QECh. 16 - Prob. 16.53QECh. 16 - Prob. 16.54QECh. 16 - Prob. 16.55QECh. 16 - Prob. 16.56QECh. 16 - Prob. 16.57QECh. 16 - Prob. 16.58QECh. 16 - Prob. 16.59QECh. 16 - Consider all acid-base indicators discussed in...Ch. 16 - Prob. 16.61QECh. 16 - Chloropropionic acid, ClCH2CH2COOH, is a weak...Ch. 16 - Prob. 16.63QECh. 16 - Prob. 16.64QECh. 16 - Prob. 16.65QECh. 16 - Write the chemical equilibrium and expression for...Ch. 16 - Calculate the pH of 0.010 M ascorbic acid.Ch. 16 - Prob. 16.68QECh. 16 - Prob. 16.69QECh. 16 - Prob. 16.70QECh. 16 - Prob. 16.71QECh. 16 - Prob. 16.72QECh. 16 - Prob. 16.73QECh. 16 - Prob. 16.74QECh. 16 - Prob. 16.75QECh. 16 - Which compound in each pair is more soluble in...Ch. 16 - Prob. 16.77QECh. 16 - Prob. 16.78QECh. 16 - Prob. 16.79QECh. 16 - Calculate the pH of each of the following...Ch. 16 - Write the chemical equation and the expression for...Ch. 16 - Prob. 16.82QECh. 16 - Prob. 16.83QECh. 16 - Phenolphthalein is a commonly used indicator that...Ch. 16 - Prob. 16.85QECh. 16 - Prob. 16.86QECh. 16 - Prob. 16.87QECh. 16 - Determine the dominant acid-base equilibrium that...Ch. 16 - Prob. 16.89QECh. 16 - Prob. 16.90QECh. 16 - Prob. 16.91QECh. 16 - Prob. 16.92QECh. 16 - Prob. 16.93QECh. 16 - Prob. 16.94QECh. 16 - Prob. 16.95QECh. 16 - Prob. 16.96QECh. 16 - Prob. 16.97QECh. 16 - A monoprotic organic acid that has a molar mass of...Ch. 16 - A scientist has synthesized a diprotic organic...Ch. 16 - Prob. 16.100QECh. 16 - What is a good indicator to use in the titration...Ch. 16 - Prob. 16.102QECh. 16 - A bottle of concentrated hydroiodic acid is 57% HI...
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