Interpretation Introduction To describe: The equations depicting the amphoteric nature of HCO 3 − and HS – . Explanation The substances that can act as both acid and base are referred to as amphoteric substances. In the following equation, HCO 3 − donates a proton to form a Hydronium ion and, hence, act as an acid: HCO 3 − ( a q ) + H 2 O ( l ) ⇄ H 3 O + ( a q ) + CO 3 2 − ( a q ) In contrast, in the equation mentioned below, HCO 3 − acts as a base by accepting a proton from the water molecule: HCO 3 − ( a q ) + H 2 O ( l ) ⇄ H 2 CO 3 ( a q ) + OH

Masteringchemistry with Pearson Etext -- Standalone Access Card -- For Chemistry

3rd Edition

ISBN: 9780321806383

Author: Nivaldo J. Tro

Publisher: PEARSON

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Chapter 15, Problem 40E

Interpretation Introduction

To describe: The equations depicting the amphoteric nature of HCO3− and HS–.

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Chapter 15, Problem 39E

Chapter 15, Problem 41E

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Chapter 15 Solutions

Masteringchemistry with Pearson Etext -- Standalone Access Card -- For Chemistry

Ch. 15 - Prob. 1SAQ Ch. 15 - Q2. Which pair is a Brønsted–Lowry conjugate...Ch. 15 - Prob. 3SAQ Ch. 15 - Prob. 4SAQ Ch. 15 - Q5. An HNO3(aq) solution has a pH of 1.75. What is...Ch. 15 - Q6. Find the pH of a 0.350 M aqueous benzoic acid...Ch. 15 - Q7. Find the pH of a 0.155 M HClO2(aq) solution....Ch. 15 - Prob. 8SAQ Ch. 15 - Prob. 9SAQ Ch. 15 - Prob. 10SAQ

Ch. 15 - Prob. 11SAQ Ch. 15 - Prob. 12SAQ Ch. 15 - Prob. 13SAQ Ch. 15 - Prob. 14SAQ Ch. 15 - Q15. Which acid has the largest Ka: HClO2(aq),...Ch. 15 - 1. What causes heartburn? What are some possible...Ch. 15 - 2. What are the general physical and chemical...Ch. 15 - Prob. 3E Ch. 15 - Prob. 4E Ch. 15 - Prob. 5E Ch. 15 - Prob. 6E Ch. 15 - Prob. 7E Ch. 15 - Prob. 8E Ch. 15 - Prob. 9E Ch. 15 - Prob. 10E Ch. 15 - 11. What are diprotic and triprotic acids? List an...Ch. 15 - 12. Define the acid ionization constant and...Ch. 15 - 13. Write an equation for the autoionization of...Ch. 15 - 14. What happens to the [OH–] of a solution when...Ch. 15 - Prob. 15E Ch. 15 - Prob. 16E Ch. 15 - Prob. 17E Ch. 15 - Prob. 18E Ch. 15 - Prob. 19E Ch. 15 - Prob. 20E Ch. 15 - Prob. 21E Ch. 15 - 22. How can you determine if an anion will act as...Ch. 15 - 23. What is the relationship between the acid...Ch. 15 - 24. What kinds of cations act as weak acids? List...Ch. 15 - 25. When calculating the [H3O+] for a polyprotic...Ch. 15 - Prob. 26E Ch. 15 - Prob. 27E Ch. 15 - Prob. 28E Ch. 15 - Prob. 29E Ch. 15 - Prob. 30E Ch. 15 - 31. What is acid rain? What causes it, and where...Ch. 15 - Prob. 32E Ch. 15 - 33. Identify each substance as an acid or a base...Ch. 15 - 34. Identify each substance as an acid or a base...Ch. 15 - 35. In each reaction, identify the Brønsted–Lowry...Ch. 15 - Prob. 36E Ch. 15 - 37. Write the formula for the conjugate base of...Ch. 15 - 38. Write the formula for the conjugate acid of...Ch. 15 - 39. Both H2O and H2PO4– are amphoteric. Write an...Ch. 15 - 40. Both HCO3– and HS– are amphoteric. Write an...Ch. 15 - Prob. 41E Ch. 15 - Prob. 42E Ch. 15 - Prob. 43E Ch. 15 - Prob. 44E Ch. 15 - Prob. 45E Ch. 15 - Prob. 46E Ch. 15 - 47. Calculate [OH–] in each aqueous solution at 25...Ch. 15 - Prob. 48E Ch. 15 - Prob. 49E Ch. 15 - 50. Calculate [H3O+] and [OH–] for each solution...Ch. 15 - Prob. 51E Ch. 15 - Prob. 52E Ch. 15 - 53. Like all equilibrium constants, the value of...Ch. 15 - Prob. 54E Ch. 15 - 55. Calculate the pH of each acid solution....Ch. 15 - Prob. 56E Ch. 15 - Prob. 57E Ch. 15 - 58. Determine the pH of each solution. a. 0.048 M...Ch. 15 - Prob. 59E Ch. 15 - Prob. 60E Ch. 15 - 61. What is the pH of a solution in which 224 mL...Ch. 15 - Prob. 62E Ch. 15 - Prob. 63E Ch. 15 - 64. Determine the [H3O+] and pH of a 0.200 M...Ch. 15 - 65. Determine the pH of an HNO2 solution of each...Ch. 15 - 66. Determine the pH of an HF solution of each...Ch. 15 - Prob. 67E Ch. 15 - Prob. 68E Ch. 15 - Prob. 69E Ch. 15 - Prob. 70E Ch. 15 - 71. Determine the percent ionization of a 0.125 M...Ch. 15 - Prob. 72E Ch. 15 - Prob. 73E Ch. 15 - Prob. 74E Ch. 15 - Prob. 75E Ch. 15 - Prob. 76E Ch. 15 - Prob. 77E Ch. 15 - Prob. 78E Ch. 15 - Prob. 79E Ch. 15 - Prob. 80E Ch. 15 - Prob. 81E Ch. 15 - Prob. 82E Ch. 15 - Prob. 83E Ch. 15 - Prob. 84E Ch. 15 - Prob. 85E Ch. 15 - Prob. 86E Ch. 15 - Prob. 87E Ch. 15 - Prob. 88E Ch. 15 - Prob. 89E Ch. 15 - Prob. 90E Ch. 15 - Prob. 91E Ch. 15 - Prob. 92E Ch. 15 - Prob. 93E Ch. 15 - Prob. 94E Ch. 15 - Prob. 95E Ch. 15 - Prob. 96E Ch. 15 - 97. Determine the [OH–] and pH of a solution that...Ch. 15 - Prob. 98E Ch. 15 - Prob. 99E Ch. 15 - Prob. 100E Ch. 15 - Prob. 101E Ch. 15 - 102. Determine if each salt will form a solution...Ch. 15 - Prob. 103E Ch. 15 - Prob. 104E Ch. 15 - 105. Determine the pH of each solution. a. 0.10 M...Ch. 15 - 106. Determine the pH of each solution. a. 0.20 M...Ch. 15 - Prob. 107E Ch. 15 - Prob. 108E Ch. 15 - Prob. 109E Ch. 15 - Prob. 110E Ch. 15 - Prob. 111E Ch. 15 - 112. Calculate the [H3O+] and pH of each...Ch. 15 - 113. Calculate the concentration of all species in...Ch. 15 - 114. Calculate the concentration of all species in...Ch. 15 - 115. Calculate the [H3O+] and pH of each H2SO4...Ch. 15 - Prob. 116E Ch. 15 - Prob. 117E Ch. 15 - Prob. 118E Ch. 15 - 119. Based on their molecular structure, pick the...Ch. 15 - Prob. 120E Ch. 15 - Prob. 121E Ch. 15 - 122. Which is a stronger base, PO43– or AsO43–?...Ch. 15 - 123. Classify each species as either a Lewis acid...Ch. 15 - 124. Classify each species as either a Lewis acid...Ch. 15 - Prob. 125E Ch. 15 - Prob. 126E Ch. 15 - Prob. 127E Ch. 15 - Prob. 128E Ch. 15 - Prob. 129E Ch. 15 - Prob. 130E Ch. 15 - Prob. 131E Ch. 15 - Prob. 132E Ch. 15 - 133. Acid rain over the Great Lakes has a pH of...Ch. 15 - 134. White wines tend to be more acidic than red...Ch. 15 - 135. Common aspirin is acetylsalicylic acid, which...Ch. 15 - Prob. 136E Ch. 15 - Prob. 137E Ch. 15 - Prob. 138E Ch. 15 - Prob. 139E Ch. 15 - 140. Determine the pH of each two-component...Ch. 15 - Prob. 141E Ch. 15 - Prob. 142E Ch. 15 - 143. The pH of a 1.00 M solution of urea, a weak...Ch. 15 - 144. A solution is prepared by dissolving 0.10 mol...Ch. 15 - 145. Lactic acid is a weak acid found in milk. Its...Ch. 15 - Prob. 146E Ch. 15 - Prob. 147E Ch. 15 - Prob. 148E Ch. 15 - Prob. 149E Ch. 15 - 150. To what volume should you dilute 1 L of a...Ch. 15 - Prob. 151E Ch. 15 - Prob. 152E Ch. 15 - 153. Calculate the pH of a solution prepared from...Ch. 15 - 154. To 1.0 L of a 0.30 M solution of HClO2 is...Ch. 15 - 155. A mixture of Na2CO3 and NaHCO3 has a mass of...Ch. 15 - 156. A mixture of NaCN and NaHSO4 consists of a...Ch. 15 - 157. Without doing any calculations, determine...Ch. 15 - 158. Without doing any calculations, determine...Ch. 15 - Prob. 159E

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