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AP Chemistry: ChAPter 16 Quiz

10 Questions  I  By Ms.thur
This a a multiple choice quiz covering material from Chapter 16 in Chemistry, The Central Science for AP Chemistry.

  
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Question Excerpt

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