Problem 1SAQ: Which substance is most likely to have a bitter taste? a. HCL(aq) b. NaCl(aq) c. NaOh(aq) d. none of... Problem 2SAQ: Identity the Brnsted-Lowry base in the reaction. HClO2(aq)+H2OH3O+(aq)+ClO2(aq) a. HClO2 b. H2O c.... Problem 3SAQ: What is the conjugate base of the acid HClO4 ? a. HCl b. HO3+ c. ClO3 d. ClO4 Problem 4SAQ Problem 5SAQ: Q5. What are the products of the reaction between HCl and Sn?
a.
b.
c.
d.
Problem 6SAQ: A 25.00-mL sample of an HNO3 solution is titrated with 0.102 M NaOH. The titration requires 28.52 mL... Problem 7SAQ: In which solution is [H3O+] less than 0.100 M? a. 0.100MH2SO4(aq) b. 0.100MHCHO2(aq) c.... Problem 8SAQ Problem 9SAQ Problem 10SAQ: What is the pH of a solution with [H3O+]=2.8105M ? a. 4.55 b. 4.55 c. 10.48 d. 1.00 Problem 11SAQ: What is [OH] in a solution with a pH of 9.55 ? a. 2.821010M b. 4.45M c. 2.82104M d. 3.55105M Problem 12SAQ: A buffer contains HCHO2(aq) and KCHO2(aq). Which statement correctly summarizes the action of this... Problem 1E: 1. What makes tart gummy candies, such as Sour Patch Kids, sour?
Problem 2E: What are the properties of acids? List some foods that contain acids. Problem 3E: 3. What is the main component of stomach acid? Why do we have stomach acid?
Problem 4E Problem 5E: What are the properties of bases? Provide some examples of common substances that contain bases. Problem 6E Problem 7E: Restate the Arrhenius definition of an acid and demonstrate the definition with a chemical equation. Problem 8E Problem 9E: 9. Restate the Brønsted-Lowry definitions of acids and bases and demonstrate the definitions with a... Problem 10E Problem 11E: What is an acidbase neutralization reaction? Provide and example. Problem 12E Problem 13E Problem 14E: 14. Name a metal that a base can dissolve and write an equation for the reaction.
Problem 15E: What is titration? What is the equivalence point? Problem 16E Problem 17E: What is the difference between a strong acid and a weak acid? Problem 18E Problem 19E Problem 20E Problem 21E: Does pure water contain any H3O+ ions? Explain your answer. Problem 22E Problem 23E: 23. Give a possible value of and in a solution that is:
a. acidic
b. basic
c. neutral
Problem 24E: 24. How is pH defined? A change of 1.0 pH unit corresponds to how much of a change in ?
Problem 25E: 25. How is pOH defined? A change of 2.0 pOH units corresponds to how much of a change in
Problem 26E Problem 27E: What is a buffer? Problem 28E Problem 29E: Identify each substance as an acid or a base and write a chemical equation showing how it is a acid... Problem 30E: 30. Identify each substance as an acid or a base and write a chemical equation showing how it is an... Problem 31E: 31. For each reaction, identify the Brønsted-Lowry acid, the Brønsted-Lowry base, the conjugate... Problem 32E: For each reaction, identify the Brnsted-Lowry acid, the Brnsted-Lowry base, the conjugate acid, and... Problem 33E: Determine whether each pair is a conjugate acid-base pair. a. NH3,NH4+ b. HCl,HBr c. C2H3O2,HC2H3O2... Problem 34E: Determine whether each pair is a conjugate acid-base pair. a. HI,I b. HCHO2,SO42 c. PO43,HPO42 d.... Problem 35E: Write the formula for the conjugate base of each acid. a. HCl b. H2SO3 c. HCHO2 d. HF Problem 36E Problem 37E: 37. Write the formula for the conjugate acid of each base.
a.
b.
c.
d.
Problem 38E Problem 39E: Write a neutralization reaction for each acid and base pair. a. HI(aq)andNaOH(aq) b.... Problem 40E: Write a neutralization reaction for each acid and base pair. a. HF(aq)andBa(OH)2(aq) b.... Problem 41E: 41. Write a balanced chemical equation showing how each metal reacts with .
a.
b.
c.
d.
Problem 42E Problem 43E Problem 44E Problem 45E Problem 46E Problem 47E: 47. Four solutions of unknown HCl concentration are titrated with solutions of NaOH. The following... Problem 48E: 48. Four solutions of unknown NaOH concentration are titrated with solutions of HCl. The following... Problem 49E: 49. A 25.00-mL sample of an solution of unknown concentration is titrated with a 0.1322 M KOH... Problem 50E: 50. A 5.00-mL sample of an solution of unknown concentration is titrated with a 0.1090 M NaOH... Problem 51E: What volume in milliliters of a 0.121 M sodium hydroxide solution is required to reach the... Problem 52E: 52. What volume in milliliters of a 0.0985 M sodium hydroxide solution is required to reach the... Problem 53E Problem 54E: 54. Classify each acid as strong or weak.
a.
b.
c.
d.
Problem 55E Problem 56E: Determine [H3O+] in each acid solution. If the acid is weak, indicate the value that [H3O+] is less... Problem 57E Problem 58E Problem 59E Problem 60E Problem 61E: 61. Determine if each solution is acidic, basic, or neutral.
a.
b.
c.
d.
Problem 62E Problem 63E: Calculate [OH] given [H3O+] in each aqueous solution and classify the solution as acidic or basic.... Problem 64E: Calculate [OH] given [H3O+] in each aqueous solution and classify the solution as acidic or basic.... Problem 65E: Calculate [H3O+] given [OH] in each aqueous solution and classify each solution as acidic or basic.... Problem 66E: 66. Calculate given in each aqueous solution and classify each solution as acidic or... Problem 67E: 67. Classify each solution as acidic, basic, or neutral according to its pH value.
a.
b.
c.
d.
Problem 68E Problem 69E: 69. Calculate the pH of each solution.
a.
b.
c.
d.
Problem 70E: Calculate the pH of each solution. a. [H3O+]=2.41010M b. [H3O+]=7.6102M c. [H3O+]=9.21013M d.... Problem 71E: 71. Calculate of each solution.
a.
b.
c.
d.
Problem 72E: 72. Calculate of each solution.
a.
b.
c.
d.
Problem 73E Problem 74E Problem 75E: 75. Calculate of each solution.
a.
b.
c.
d.
Problem 76E: 76. Calculate of each solution.
a.
b.
c.
d.
Problem 77E: Calculate the pH of each solution: a. 0.0155MHBr b. 1.28103MKOH c. 1.89103MHNO3 d. 1.54104MSr(OH)2 Problem 78E Problem 79E: Determine the pOH of each solution and classify it as acidic, basic, or neutral. a. [OH]=1.5109M b.... Problem 80E: Determine the pOH of each solution and classify it as acidic, basic, or neutral. a. [OH]=4.5102M b.... Problem 81E: Determine the pOH of each solution. a. [H3O+]=1.2108M b. [H3O+]=5.5102M c. [H3O+]=3.9109M d.... Problem 82E Problem 83E Problem 84E Problem 85E: 85. Determine whether or not each mixture is a buffer.
a. HCL and HF
b. NaOH and
c. HF and NaF
d.
Problem 86E: Determine whether or not each mixture is a buffer. a. HBr and NaCl b. HCHO2andNaCHO2 c. HClandHBr d.... Problem 87E Problem 88E: 88. Write reactions showing how each of the buffers in Problem 86 would neutralize added... Problem 89E Problem 90E: Which substance could you add to each solution to make it a buffer solution? a. 0.050MNaHSO3 b.... Problem 91E: 91. How much 0.100 M HCl is required to completely neutralize 20.0 mL of 0.250 M NaOH?
Problem 92E: How much 0.200 M KOH is required to completely neutralize 25.0 mL of 0.150 M HClO4 ? Problem 93E: What is the minimum volume of 5.0 M HCl required to completely dissolve 10.0 g of magnesium metal? Problem 94E: What is the minimum volume of 3.0 M HBr required to completely dissolve 15.0 g of potassium metal? Problem 95E Problem 96E Problem 97E: A 0.125-g sample of a monoprotic acid of unknown molar mass is dissolved in water and titrated with... Problem 98E Problem 99E: 99. People take antacids, such as milk of magnesia, to reduce the discomfort of acid stomach or... Problem 100E: An antacid tablet requires 25.82 mL of 200 M HCl to titrate to its equivalence point. What volume in... Problem 101E Problem 102E Problem 103E: Complete the table. (The first row is completed for you.) [H3O+] [OH-] pOH pH Acidic or Basic 1.0104... Problem 104E Problem 105E Problem 106E Problem 107E: 107. For each strong base solution, determine , pH, and pOH.
a.
b.
c.
d.
Problem 108E Problem 109E: 109. As described in Section 14.1, jailed spies on the big screen have been known to use acid stored... Problem 110E Problem 111E: 111. What is the pH of a solution formed by mixing 125.0 mL of 0.0250 M HCl with 75.0 mL of 0.0500 M... Problem 112E Problem 113E: 113. How many (or ) ions are present in one drop (0.050 mL) of pure water at 25 °C?
Problem 114E Problem 115E Problem 116E Problem 117E Problem 118E Problem 119E Problem 120QGW: Choose an example of a reaction featuring a chemical acting as an Arrhenius base. With group members... Problem 121QGW: 121. Divide your group in two. Have each half of your group write a quiz related to an acid-base... Problem 122QGW Problem 123QGW: With group members acting as atoms or ions, act out the reaction that occurs when HCl is added to a... Problem 124DIA: Data Interpretation and Analysis
124. The progress of an acid-base titration can be monitored by... format_list_bulleted