CHEMISTRY-TEXT
8th Edition
ISBN: 9780134856230
Author: Robinson
Publisher: PEARSON
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Chapter 17, Problem 17.79SP
Consider a buffer solution that contains equal concentrations of
(a)
(d) Kl (e)
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(7) Calculate the pH of each of the following solutions:
(a) 0.1000M Propanoic acid( HC H O,,K=1.3x105)
(b) 0.1000M sodium propanoate (Na C HỎ)
(c) 0.1000M HC₂H₂O, and 0.1000M Nа С¸¸0₂
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(d) After 0.020 mol of HCl is added to 1.00 L solution of (a) and (b) above.
(e) After 0.020 mol of NaOH is added to 1.00 L solution of (a) and (b) above.
The major component of vinegar is acetic acid, CH3COOH. Its Ka is 1.8 × 10-5 . One student used 1.000 M NaOH to titrate 25.00 mL vinegar. At the end point, 21.82 mL NaOH was used.
(a) What is the concentration of CH3COOH in vinegar?
(b) What is the pH of the solution at the end point?
(c) What indicator(s) the student should use in this titration? Explain
You are asked to prepare a pH = 3.00 buffer solution startingfrom 1.25 L of a 1.00 M solution of hydrofluoric acid(HF) and any amount you need of sodium fluoride (NaF).(a) What is the pH of the hydrofluoric acid solution priorto adding sodium fluoride? (b) How many grams of sodiumfluoride should be added to prepare the buffer solution?Neglect the small volume change that occurs when the sodiumfluoride is added.
Chapter 17 Solutions
CHEMISTRY-TEXT
Ch. 17 - Write a balanced net ionic equation for the...Ch. 17 - APPLY 16.2 Write balanced net ionic equations for...Ch. 17 - PRACTICE 16.3 Calculate the concentrations of all...Ch. 17 - APPLY 16.4 Calculate the pH of a solution prepared...Ch. 17 - Conceptual PRACTICE 16.5 The following pictures...Ch. 17 - Conceptual APPLY 16.6 The following pictures...Ch. 17 - Calculate the pH of 0.100 1 of a buffer solution...Ch. 17 - Calculate the change in pH when 0.002 mol of HNO3...Ch. 17 - PRACTICE 16.10 Use the Henderson-Hasselbalch...Ch. 17 - APPLY 16.11 The of the amine group of the amino...
Ch. 17 - PRACTICE 16.12 How would you prepare anbuffer...Ch. 17 - APPLY 16.13 Suppose you are performing an...Ch. 17 - A 40.0 mL volume of 0.100 M HCl is titrated with...Ch. 17 - APPLY 16.15 A 40.0 mL volume of 0.100 M NaOH is...Ch. 17 - What is the pH at the equivalence point in the...Ch. 17 - The following pictures represent solutions at...Ch. 17 - Assume that 40.0 mL of 0.0800...Ch. 17 - Assume that 40.0 mL of a 0.0250 M solution of the...Ch. 17 - Write the equilibrium-constant expression for...Ch. 17 - The following pictures represent solutions of...Ch. 17 - Prob. 17.21PCh. 17 - Ca2, which causes clotting, is removed from...Ch. 17 - What is the molar solubility of Ag2CrO4 in water...Ch. 17 - Prior to having an X-ray exam of the upper...Ch. 17 - Calculate the molar solubility of MgF2 , in...Ch. 17 - Calculate the molar solubility of Zn(OH)2 , in a...Ch. 17 - In an excess of NH3(aq),Cu2+ ion forms a deep blue...Ch. 17 - Cyanide ion is used in gold mining because it...Ch. 17 - Prob. 17.29PCh. 17 - Prob. 17.30ACh. 17 - Prob. 17.31PCh. 17 - Will a precipitate form on mixing 25 m1 of...Ch. 17 - Prob. 17.33PCh. 17 - Prob. 17.34PCh. 17 - HCO3 And CO32 are the primary ions in the ocean...Ch. 17 - Coral and the shells of marine organisms are made...Ch. 17 - The following reactions represent the dissolution...Ch. 17 - Prob. 17.38CPCh. 17 - The following pictures represent initial...Ch. 17 - Prob. 17.40CPCh. 17 - The following plot shows two pH titration curves,...Ch. 17 - Prob. 17.42CPCh. 17 - The following pictures represent solutions at...Ch. 17 - Prob. 17.44CPCh. 17 - Prob. 17.45CPCh. 17 - Prob. 17.46CPCh. 17 - 16.50 Is the pH greater than, equal to, or less...Ch. 17 - Is the pH greater than, equal to, or less than 7...Ch. 17 - Prob. 17.49SPCh. 17 - Prob. 17.50SPCh. 17 - Prob. 17.51SPCh. 17 - Prob. 17.52SPCh. 17 - 16.56 The equilibrium constant for the...Ch. 17 - 16.57 The equilibrium constant for the...Ch. 17 - 16.58 Does the pH increase, decrease, or remain...Ch. 17 - 16.59 Does the pH increase, decrease, or remain...Ch. 17 - 16.60 Calculate the pH of a solution that is 0.25...Ch. 17 - Prob. 17.58SPCh. 17 - Prob. 17.59SPCh. 17 - The pH of a solution of NH3 and NH4Br is 8.90....Ch. 17 - Prob. 17.61SPCh. 17 - Prob. 17.62SPCh. 17 - Prob. 17.63SPCh. 17 - Which of the following gives a buffer solution...Ch. 17 - Prob. 17.65SPCh. 17 - Prob. 17.66SPCh. 17 - Prob. 17.67SPCh. 17 - Calculate the pH of a buffer solution prepared by...Ch. 17 - Prob. 17.69SPCh. 17 - Calculate the pH of 0.375 L of a 0.18 M acetic...Ch. 17 - Prob. 17.71SPCh. 17 - A food chemist studying the formation of lactic...Ch. 17 - Prob. 17.73SPCh. 17 - Prob. 17.74SPCh. 17 - Prob. 17.75SPCh. 17 - Give a recipe for preparing a CH3CO2HCH3C02NA Na...Ch. 17 - Prob. 17.77SPCh. 17 - Prob. 17.78SPCh. 17 - Consider a buffer solution that contains equal...Ch. 17 - Calculate the concentrations of NH4+ and NH3 and...Ch. 17 - Prob. 17.81SPCh. 17 - Make a rough plot of pH versus milliliters of acid...Ch. 17 - Prob. 17.83SPCh. 17 - Consider the titration of 50.0 mL of 0.116 M NaOH...Ch. 17 - Prob. 17.85SPCh. 17 - Consider the titration of 25.0 mL of 0.200 MHCO2H...Ch. 17 - On the same graph, sketch pH titration curves for...Ch. 17 - Prob. 17.88SPCh. 17 - A 100.0 mL sample of 0.100 M methylamine (...Ch. 17 - A 50.0 mL sample of 0.250 M ammonia (...Ch. 17 - Prob. 17.91SPCh. 17 - Prob. 17.92SPCh. 17 - Prob. 17.93SPCh. 17 - What is the pH at the equivalence point for the...Ch. 17 - Consider the titration of 50.0 mL of a 0.100 M...Ch. 17 - Prob. 17.96SPCh. 17 - Prob. 17.97SPCh. 17 - The titration of 0.02500 L of a diprotic acid...Ch. 17 - Prob. 17.99SPCh. 17 - Prob. 17.100SPCh. 17 - Prob. 17.101SPCh. 17 - Prob. 17.102SPCh. 17 - Prob. 17.103SPCh. 17 - Prob. 17.104SPCh. 17 - Prob. 17.105SPCh. 17 - Use the following solubility data to calculate a...Ch. 17 - Prob. 17.107SPCh. 17 - Prob. 17.108SPCh. 17 - Prob. 17.109SPCh. 17 - Prob. 17.110SPCh. 17 - Prob. 17.111SPCh. 17 - Prob. 17.112SPCh. 17 - Which of the following compounds are more soluble...Ch. 17 - Prob. 17.114SPCh. 17 - Consider saturated solutions of the slightly...Ch. 17 - Prob. 17.116SPCh. 17 - Is the solubility of Zn(OH)2 , increased,...Ch. 17 - Is the solubility of Fe(OH)3 increased, decreased,...Ch. 17 - Prob. 17.119SPCh. 17 - Prob. 17.120SPCh. 17 - Prob. 17.121SPCh. 17 - Prob. 17.122SPCh. 17 - Prob. 17.123SPCh. 17 - Calculate the molar solubility of Cr(OH)3 in 0.50...Ch. 17 - Zinc hydroxide, Zn(OH)2 = (kSP=4.11017) , is...Ch. 17 - Prob. 17.126SPCh. 17 - Prob. 17.127SPCh. 17 - “Hard” water contains alkaline earth cations such...Ch. 17 - Prob. 17.129SPCh. 17 - Prob. 17.130SPCh. 17 - Prob. 17.131SPCh. 17 - Prob. 17.132SPCh. 17 - Prob. 17.133SPCh. 17 - Prob. 17.134SPCh. 17 - Prob. 17.135SPCh. 17 - Using the qualitative analysis flowchart in Figure...Ch. 17 - Give a method for separating the following pairs...Ch. 17 - Prob. 17.138SPCh. 17 - Prob. 17.139SPCh. 17 - Prob. 17.140MPCh. 17 - Calculate the molar solubility of MnS in a 0.30 M...Ch. 17 - Prob. 17.142MPCh. 17 - A 100.0 mL sample of a solution that is 0.100 M in...Ch. 17 - A 0.0100mol sample of solid Cd(OH)2(Ksp=5.31015)...Ch. 17 - One type of kidney stone is a precipitate of...Ch. 17 - Prob. 17.146MPCh. 17 - Ethylenediamine ( NH2CH2CH2NH2 , abbreviated en)...Ch. 17 - A 40.0 mL sample of a mixture of HCI and H3PO4 was...Ch. 17 - A 1.000 L sample of HCI gas at 25 °C and 732.0 mm...Ch. 17 - Prob. 17.150MPCh. 17 - Consider the reaction that occurs on mixing 50.0...Ch. 17 - In qualitative analysis, Ca2+ and Ba2+ are...Ch. 17 - A railroad tank car derails and spills 36 tons of...Ch. 17 - Some progressive hair coloring products marketed...
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