Chemistry: A Molecular Approach, Books a la Carte Edition; Modified MasteringChemistry with Pearson eText -- ValuePack Access Card -- for Chemistry: A Molecular Approach, 4/e
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ISBN: 9780134465654
Author: Tro
Publisher: Pearson Education
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Chapter 16, Problem 144E
Interpretation Introduction
To determine: The concentration of ammonia in the given solution.
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3. Propose a synthesis for the following transformation. Do not draw an arrow-pushing
mechanism below, but make sure to draw the product of each proposed step (3 points).
CN
+ En
CN
3) Propagation of uncertainty. Every measurement has uncertainty. In this problem, we'll
evaluate the uncertainty in every step of a titration of potassium hydrogen phthalate (a
common acid used in titrations, abbreviated KHP, formula CsH5KO4) with NaOH of an
unknown concentration.
The calculation that ultimately needs to be carried out is:
concentration NaOH
1000 x mass KHP × purity KHP
molar mass KHP x volume NaOH
Measurements:
a) You use a balance to weigh 0.3992 g of KHP. The uncertainty is ±0.15 mg (0.00015
g).
b) You use a buret to slowly add NaOH to the KHP until it reaches the endpoint. It takes
18.73 mL of NaOH. The uncertainty of the burst is 0.03 mL..
c) The manufacturer states the purity of KHP is 100%±0.05%.
d) Even though we don't think much about them, molar masses have uncertainty as well.
The uncertainty comes from the distribution of isotopes, rather than random
measurement error. The uncertainty in the elements composing KHP are:
a. Carbon:
b. Hydrogen:
±0.0008…
Don't used hand raiting and don't used Ai solution
Chapter 16 Solutions
Chemistry: A Molecular Approach, Books a la Carte Edition; Modified MasteringChemistry with Pearson eText -- ValuePack Access Card -- for Chemistry: A Molecular Approach, 4/e
Ch. 16 - Prob. 1SAQCh. 16 - Q2. Which pair is a Brønsted–Lowry conjugate...Ch. 16 - Prob. 3SAQCh. 16 - Prob. 4SAQCh. 16 - Q5. An HNO3(aq) solution has a pH of 1.75. What is...Ch. 16 - Q6. Find the pH of a 0.350 M aqueous benzoic acid...Ch. 16 - Q7. Find the pH of a 0.155 M HClO2(aq) solution....Ch. 16 - Prob. 8SAQCh. 16 - Prob. 9SAQCh. 16 - Prob. 10SAQ
Ch. 16 - Prob. 11SAQCh. 16 - Prob. 12SAQCh. 16 - Prob. 13SAQCh. 16 - Prob. 14SAQCh. 16 - Q15. Which acid has the largest Ka: HClO2(aq),...Ch. 16 - 1. What causes heartburn? What are some possible...Ch. 16 - 2. What are the general physical and chemical...Ch. 16 - Prob. 3ECh. 16 - Prob. 4ECh. 16 - Prob. 5ECh. 16 - Prob. 6ECh. 16 - Prob. 7ECh. 16 - Prob. 8ECh. 16 - Prob. 9ECh. 16 - Prob. 10ECh. 16 - 11. What are diprotic and triprotic acids? List an...Ch. 16 - 12. Define the acid ionization constant and...Ch. 16 - 13. Write an equation for the autoionization of...Ch. 16 - 14. What happens to the [OH–] of a solution when...Ch. 16 - Prob. 15ECh. 16 - Prob. 16ECh. 16 - Prob. 17ECh. 16 - Prob. 18ECh. 16 - Prob. 19ECh. 16 - Prob. 20ECh. 16 - Prob. 21ECh. 16 - 22. How can you determine if an anion will act as...Ch. 16 - 23. What is the relationship between the acid...Ch. 16 - 24. What kinds of cations act as weak acids? List...Ch. 16 - 25. When calculating the [H3O+] for a polyprotic...Ch. 16 - Prob. 26ECh. 16 - Prob. 27ECh. 16 - Prob. 28ECh. 16 - Prob. 29ECh. 16 - Prob. 30ECh. 16 -
31. What is acid rain? What causes it, and where...Ch. 16 - Prob. 32ECh. 16 - 33. Identify each substance as an acid or a base...Ch. 16 - 34. Identify each substance as an acid or a base...Ch. 16 - 35. In each reaction, identify the Brønsted–Lowry...Ch. 16 - Prob. 36ECh. 16 - 37. Write the formula for the conjugate base of...Ch. 16 - 38. Write the formula for the conjugate acid of...Ch. 16 - 39. Both H2O and H2PO4– are amphoteric. Write an...Ch. 16 - 40. Both HCO3– and HS– are amphoteric. Write an...Ch. 16 - Prob. 41ECh. 16 - Prob. 42ECh. 16 - Prob. 43ECh. 16 - Prob. 44ECh. 16 - Prob. 45ECh. 16 - Prob. 46ECh. 16 - 47. Calculate [OH–] in each aqueous solution at 25...Ch. 16 - Prob. 48ECh. 16 - Prob. 49ECh. 16 - 50. Calculate [H3O+] and [OH–] for each solution...Ch. 16 - Prob. 51ECh. 16 - Prob. 52ECh. 16 - 53. Like all equilibrium constants, the value of...Ch. 16 - Prob. 54ECh. 16 - 55. Calculate the pH of each acid solution....Ch. 16 - Prob. 56ECh. 16 - Prob. 57ECh. 16 - 58. Determine the pH of each solution.
a. 0.048 M...Ch. 16 - Prob. 59ECh. 16 - Prob. 60ECh. 16 - 61. What is the pH of a solution in which 224 mL...Ch. 16 - Prob. 62ECh. 16 - Prob. 63ECh. 16 - 64. Determine the [H3O+] and pH of a 0.200 M...Ch. 16 - 65. Determine the pH of an HNO2 solution of each...Ch. 16 - 66. Determine the pH of an HF solution of each...Ch. 16 - Prob. 67ECh. 16 - Prob. 68ECh. 16 - Prob. 69ECh. 16 - Prob. 70ECh. 16 - 71. Determine the percent ionization of a 0.125 M...Ch. 16 - Prob. 72ECh. 16 - Prob. 73ECh. 16 - Prob. 74ECh. 16 - Prob. 75ECh. 16 - Prob. 76ECh. 16 - Prob. 77ECh. 16 - Prob. 78ECh. 16 - Prob. 79ECh. 16 - Prob. 80ECh. 16 - Prob. 81ECh. 16 - Prob. 82ECh. 16 - Prob. 83ECh. 16 - Prob. 84ECh. 16 - Prob. 85ECh. 16 - Prob. 86ECh. 16 - Prob. 87ECh. 16 - Prob. 88ECh. 16 - Prob. 89ECh. 16 - Prob. 90ECh. 16 - Prob. 91ECh. 16 - Prob. 92ECh. 16 - Prob. 93ECh. 16 - Prob. 94ECh. 16 - Prob. 95ECh. 16 - Prob. 96ECh. 16 - 97. Determine the [OH–] and pH of a solution that...Ch. 16 - Prob. 98ECh. 16 - Prob. 99ECh. 16 - Prob. 100ECh. 16 - Prob. 101ECh. 16 - 102. Determine if each salt will form a solution...Ch. 16 - Prob. 103ECh. 16 - Prob. 104ECh. 16 - 105. Determine the pH of each solution.
a. 0.10 M...Ch. 16 - 106. Determine the pH of each solution.
a. 0.20 M...Ch. 16 - Prob. 107ECh. 16 - Prob. 108ECh. 16 - Prob. 109ECh. 16 - Prob. 110ECh. 16 - Prob. 111ECh. 16 - 112. Calculate the [H3O+] and pH of each...Ch. 16 - 113. Calculate the concentration of all species in...Ch. 16 - 114. Calculate the concentration of all species in...Ch. 16 - 115. Calculate the [H3O+] and pH of each H2SO4...Ch. 16 - Prob. 116ECh. 16 - Prob. 117ECh. 16 - Prob. 118ECh. 16 - 119. Based on their molecular structure, pick the...Ch. 16 - Prob. 120ECh. 16 - Prob. 121ECh. 16 - 122. Which is a stronger base, PO43– or AsO43–?...Ch. 16 - 123. Classify each species as either a Lewis acid...Ch. 16 - 124. Classify each species as either a Lewis acid...Ch. 16 - Prob. 125ECh. 16 - Prob. 126ECh. 16 - Prob. 127ECh. 16 - Prob. 128ECh. 16 - Prob. 129ECh. 16 - Prob. 130ECh. 16 - Prob. 131ECh. 16 - Prob. 132ECh. 16 - 133. Acid rain over the Great Lakes has a pH of...Ch. 16 - 134. White wines tend to be more acidic than red...Ch. 16 - 135. Common aspirin is acetylsalicylic acid, which...Ch. 16 - Prob. 136ECh. 16 - Prob. 137ECh. 16 - Prob. 138ECh. 16 - Prob. 139ECh. 16 - 140. Determine the pH of each two-component...Ch. 16 - Prob. 141ECh. 16 - Prob. 142ECh. 16 - 143. The pH of a 1.00 M solution of urea, a weak...Ch. 16 - 144. A solution is prepared by dissolving 0.10 mol...Ch. 16 - 145. Lactic acid is a weak acid found in milk. Its...Ch. 16 - Prob. 146ECh. 16 - Prob. 147ECh. 16 - Prob. 148ECh. 16 - Prob. 149ECh. 16 - 150. To what volume should you dilute 1 L of a...Ch. 16 - Prob. 151ECh. 16 - Prob. 152ECh. 16 -
153. Calculate the pH of a solution prepared from...Ch. 16 - 154. To 1.0 L of a 0.30 M solution of HClO2 is...Ch. 16 - 155. A mixture of Na2CO3 and NaHCO3 has a mass of...Ch. 16 - 156. A mixture of NaCN and NaHSO4 consists of a...Ch. 16 - 157. Without doing any calculations, determine...Ch. 16 - 158. Without doing any calculations, determine...Ch. 16 - Prob. 159ECh. 16 - 160. Without using a calculator, determine the pH...Ch. 16 - Prob. 161QGWCh. 16 - Prob. 162QGWCh. 16 - Prob. 163QGWCh. 16 - Prob. 164QGWCh. 16 - Prob. 165QGWCh. 16 - 166. Sulfur dioxide protects wine from spoiling;...
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