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The main component of vinegar is acetic acid.

A) True
B) False

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In examining the formula for acetic acid,HC2H3O2,the ionizable hydrogen atom(s) is/are:


A) the H on the left.
B) one of the H's on the right-side.
C) all of the H's on the right-side.
D) all four H's.
E) none of the above.

F) D) and E)
G) B) and E)

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What is the concentration of hydronium ions in a solution given that the concentration of hydroxide ions is 2.31 × 10-4 M?


A) 4.33 × 10-11 M
B) 2.31 × 1010 M
C) 2.31 × 10-18 M
D) 1.01 × 10-5 M
E) none of the above

F) A) and B)
G) A) and E)

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Acids turn litmus paper blue.

A) True
B) False

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Which of the following is NOT a property of bases?


A) Bases have a slippery feel.
B) Bases have a bitter taste.
C) Bases turn litmus paper blue.
D) Bases dissolve many metals.
E) All of the above are properties of bases.

F) B) and C)
G) B) and D)

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A strong acid is one that completely dissociates into ions in solution.

A) True
B) False

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Which of the following common bases is commonly used for manufacturing fertilizer?


A) NH3
B) NaHCO3
C) KOH
D) NaOH
E) all of the above

F) A) and B)
G) A) and C)

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Which combination below will be a buffer solution?


A) HCl and Cl⁻
B) HNO3 and NaNO3
C) HC2H3O2 and Na C2H3O2
D) NaBr and NaOH
E) All of the above are true.

F) B) and D)
G) B) and C)

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In order for a solution to be basic:


A) [H3O+] > [OH-]
B) [H3O+] < [OH-]
C) [H3O+] = [OH-]
D) pH = pOH
E) none of the above

F) A) and C)
G) B) and D)

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A 1.0 M [H3O+] solution of a strong acid would have a pH equal to zero.

A) True
B) False

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Which solution below is considered to have basic character?


A) pOH = 7
B) pH = 2
C) pOH = 4
D) pOH = 13
E) none of the above

F) B) and E)
G) All of the above

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An Arrhenius base is a proton acceptor.

A) True
B) False

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Which of the following acids is diprotic?


A) HClO4
B) HNO3
C) HI
D) H2SO4
E) none of the above

F) C) and D)
G) All of the above

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Aluminum is one of the few metals that dissolves in a strong base.

A) True
B) False

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What is the concentration of H⁺ in 2.0 M acetic acid,HC2H3O2?


A) 1.0 M
B) 2.0 M
C) >2.0 M
D) < 2.0 M
E) none of the above

F) A) and C)
G) A) and B)

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A solution of pH 2 contains ten times more H3O+ than a solution of pH 3.

A) True
B) False

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Which among the following acids is commonly used for etching and frosting glass?


A) hydrochloric acid
B) nitric acid
C) hydrofluoric acid
D) hydrobromic acid
E) All of the above are used.

F) A) and B)
G) A) and C)

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