AP Chemistry: ChAPter 16 Quiz

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AP chemistry: chAPter 16 quiz
This a a multiple choice quiz covering material from Chapter 16 in Chemistry, The Central Science for AP Chemistry.

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1.  The pH of a 0.15 M aqueous solution of NaZ (the sodium salt of HZ) is 10.7.  What is the Ka for HZ?
A.
B.
C.
D.
E.
2.  The base dissociation constant of ethylamine (C2H5NH2) is 6.4 x 10-4. What is the [H+] in a 1.6x10-12 M solution of ethylamine?
A.
B.
C.
D.
E.
3.  A- is a weak base.  Which equilbrium corresponds to the equilibrium constant Ka for HA?
A.
B.
C.
D.
E.
4. 
In the reaction below, NH3 is acting as a(n) ______________ base, but not as a(n) ________ base.
A.
B.
C.
D.
E.
5.  Which one of the following is the weakest acid?
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B.
C.
D.
E.
6.  Which one of the following is a Bronsted-Lowry acid?
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B.
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D.
E.
7.  Calculate the molarity of hydroxide ion in an aqueous solution that has a pOH of 5.33.
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B.
C.
D.
E.
8.  What is the pH of an aqueous solution at 25C in which [H+] is 0.0025 M?
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B.
C.
D.
E.
9.  What is the conjugate base of OH-?
A.
B.
C.
D.
E.
10.  What is the conjugate acid of NH3?
A.
B.
C.
D.
E.
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