General Chemistry: Principles and Modern Applications (11th Edition)
11th Edition
ISBN: 9780132931281
Author: Ralph H. Petrucci, F. Geoffrey Herring, Jeffry D. Madura, Carey Bissonnette
Publisher: PEARSON
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Question
Chapter 18, Problem 73IAE
Interpretation Introduction
(a)
Interpretation:
The solubility of marble in normal rain water of pH = 5.6 should be determined.
Concept introduction:
The pH of a solution largely affects the solubility of a salt. This effect is significant when the anion of the salt is the conjugate base of a weak acid or hydroxyl itself.
Interpretation Introduction
(b)
Interpretation:
The solubility of marble in acid rain water of pH = 4.2 should be determined.
Concept introduction:
The pH of a solution largely affects the solubility of a salt. This effect is significant when the anion of the salt is the conjugate base of a weak acid or hydroxyl itself.
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4. A solution prepared to be initially 1 M in NH3 and 0.5 M in HCl is (Kb for NH3 = 1.8 x 10¯5):
(A) a solution with a pH less than 7 that is not a buffer solution
(B) a buffer solution with a pH between 4 and 7
(C) a buffer solution with a pH between 7 and 10
(D) a solution with a pH greater than 7 that is not a buffer solution
(E) a solution with a pH of 7
A buffer solution was prepared that contained 0.60 M hydrogen fluoride, HF (Ka = 7.2 x
104) and 1.00M potassium fluoride, KF. The total volume was 250 mL.
(a) What ions and molecules are present in the solution? List them in order of decreasing
concentration:
Decreasing order of Concentration
(b) What is the pH of the buffer solution described above?
(c) What is the pH of 100. mL of the buffer solution if you add 100. x 10-3 g of NaOH? Assume
negligible change in volume. (USEFUL INFORMATION: MM NaOH = 39.997 g mol-1)
A buffer solution contains 0.50 M acetic acid (CH3COOH; Ka = 1.8 x 10–5) and 0.35 M sodium acetate, NaCH3CO2. What is the pH of the solution?
(A) 4.59
(B) 4.90
(C) 2.29
(D) 2.52
Chapter 18 Solutions
General Chemistry: Principles and Modern Applications (11th Edition)
Ch. 18 - Write K10 expressions for the following...Ch. 18 - Write solubility equilibrium equations that are...Ch. 18 - The following K10 values ate found in a handbook....Ch. 18 - Calculate the aqueous solubility, in moles per...Ch. 18 - Prob. 5ECh. 18 - Which of the following saturated aqueous solutions...Ch. 18 - Fluoridated drinking water contains about 1 part...Ch. 18 - In the qualitative cation analysis procedure, Bi2+...Ch. 18 - Prob. 9ECh. 18 - A 725mL sample of a saturated solution of calcium...
Ch. 18 - A 25.00mL sample of a clear saturated solution of...Ch. 18 - A 250 mL sample of saturated CaC2O4 (aq) requires...Ch. 18 - Prob. 13ECh. 18 - Prob. 14ECh. 18 - Calculate the molar solubility of...Ch. 18 - How would you expect the presence of the following...Ch. 18 - Prob. 17ECh. 18 - Describe the effect of the salt NNO2 on the...Ch. 18 - A 0.150 M Na2SO4 , solution that is saturated with...Ch. 18 - It 100.0 mL of 0. 0025 U Na2SO4(aq) is saturated...Ch. 18 - What [Pb2+] should be maintained in Pb( NO2)2(aq)...Ch. 18 - What [l-] should be maintained in Kl(aq) to...Ch. 18 - Can the solubility of Ag2CrO4 be lowered to 5.0104...Ch. 18 - Prob. 24ECh. 18 - Prob. 25ECh. 18 - Prob. 26ECh. 18 - Will prectiation of MgF2(s) occur if a 22.5 mg...Ch. 18 - Will pbCl2 precitate when 155mL of 0.016M KCl(aq)...Ch. 18 - What is the minimum pH at which Cd(OH)2(s) will...Ch. 18 - What is the minimum pH at which Cr(OH)2(s) will...Ch. 18 - Will precipitation occur in the following cases?...Ch. 18 - Prob. 32ECh. 18 - Prob. 33ECh. 18 - Prob. 34ECh. 18 - When 200.0 ml. of 0 350 N K2CrO4(aq) are added to...Ch. 18 - What percentage of the original Ag4 remains in...Ch. 18 - Prob. 37ECh. 18 - The ancient Romans added calcium sulfate to wine...Ch. 18 - Prob. 39ECh. 18 - Prob. 40ECh. 18 - Kl(aq) is slowly added to a solution with...Ch. 18 - A solution is 0010 M en both CrO42- and SO42 . To...Ch. 18 - An aqueous solution that 200 U m AgNO2 slowly...Ch. 18 - AgNO2(aq) is slowly added to a solution that is...Ch. 18 - Which of the following solids is (are) more...Ch. 18 - Which of the blowing solids is (are) more soluble...Ch. 18 - The solubility of Mg(OH)2 m a particualr buffer...Ch. 18 - To 0.350L of 0.150MNH2 is added 0.150 L of 0.100 M...Ch. 18 - For the equilibrium...Ch. 18 - Will the following precipitates form under the...Ch. 18 - Prob. 51ECh. 18 - Prob. 52ECh. 18 - In a solution that is 0.0500M in [Cu( CN)4]2 and...Ch. 18 - Calculate [Cu2+] in a 0.10M CuSO4(aq) solution...Ch. 18 - Prob. 55ECh. 18 - A solution is 0.10 M in free NH2 ,0.10M in NH4Cl ,...Ch. 18 - A 0.10 mol sample of AgNO2(s) is dissolved in...Ch. 18 - A solution is prepared at has [NH2]=1.00M and...Ch. 18 - Prob. 59ECh. 18 - A solution is 0.05 U m Cu2+ in Hg2+ , and in Mn2+...Ch. 18 - Prob. 61ECh. 18 - Prob. 62ECh. 18 - Suppose you did a group 1 qualitative cation...Ch. 18 - Prob. 64ECh. 18 - Prob. 65ECh. 18 - Prob. 66ECh. 18 - Prob. 67IAECh. 18 - A handbook lists the solubility of CaHPO4 as 0.32g...Ch. 18 - Prob. 69IAECh. 18 - What percentage of the Ba2+ in solution is...Ch. 18 - Prob. 71IAECh. 18 - Prob. 72IAECh. 18 - Prob. 73IAECh. 18 - What is the solubility of MnS, in grams per liter,...Ch. 18 - Prob. 75IAECh. 18 - Prob. 76IAECh. 18 - Prob. 77IAECh. 18 - Prob. 78IAECh. 18 - Prob. 79IAECh. 18 - Prob. 80IAECh. 18 - Prob. 81IAECh. 18 - Prob. 82IAECh. 18 - Prob. 83IAECh. 18 - Prob. 84IAECh. 18 - A 2509 sample of Ag2SO4(s) added to a beaker...Ch. 18 - Prob. 86IAECh. 18 - Prob. 87FPCh. 18 - In the Mohr titration, Cl(aq) is titrated with...Ch. 18 - The accompanying drawing suggests a series of...Ch. 18 - Prob. 90SAECh. 18 - Briefly describe each of the following ideas,...Ch. 18 - Prob. 92SAECh. 18 - Prob. 93SAECh. 18 - Prob. 94SAECh. 18 - Prob. 95SAECh. 18 - Prob. 96SAECh. 18 - Prob. 97SAECh. 18 - Prob. 98SAECh. 18 - Prob. 99SAECh. 18 - Prob. 100SAECh. 18 - Prob. 101SAECh. 18 - Prob. 102SAECh. 18 - Prob. 103SAECh. 18 - Prob. 104SAECh. 18 - Prob. 105SAECh. 18 - Prob. 106SAECh. 18 - Will Agl(s) precipitate from a solution with [[Ag...Ch. 18 - Prob. 108SAECh. 18 - Appendix describes a useful study aid known as...
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