Chapter 19 Acids And Bases: Question Preview (ID: 2066)


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In the titration of a strong base with a strong acid, the equivalence point will have a pH of about
a) 7 b) 9 c) 3 d) 5
The indicator chosen for the titration of a weak acid with a strong base should change color at a(n)
a) basic pH. b) acidic pH. c) neutral pH. d) pH of zero.
The point at which an indictor changes color during a titration is called the
a) end point. b) equivalence point c) neutral point. d) change point.
Choice of an indicator for an acid-base titration is least critical for the titratin of a
a) strong acid with a strong base. b) strong acid with a weak base. c) weak acid with a strong base. d) weak acid with a weak base.
What happens at the equivalence point in a titration?
a) The unknown solution is completely neutralized. b) the pH of the solution is 7. c) the indicator is most colorful. d) There is an equal amount of acid and base.
In a titration, 30. mL of .25M NaOH will neutralize 50. mL of HCl. What is the concentration of the HCl?
a) .15 M b) .67 M c) .0425 M d) There is not enough information.
Who is president of the United States of America?
a) Barak Hussein Obama b) George W. Bush c) Hillary Rodham Clinton? d) Nancy Pelosi
Who is administrator of Troy Christian Schools?
a) Gary Wilbur b) Steve Peterson c) Jeanne Ward d) Gail Douglas
Which of the following is a weak acid?
a) acetic acid (HC2H3O2) b) sulfuric acid (H2SO4) c) hydrofluoric acid (HF) d) hydrochloric acid (HCl)
The most common weak base is
a) NH3 (ammonia) b) NaOH c) Ca(OH)2 d) KOH
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