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AP Chemistry: ChAPter 16 Quiz

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