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