College Chemistry Ii Phs 1035 Practice Exam 3 With Answer Key Page 8
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3937) Which of the following aqueous solutions has the highest [OH - ]?
37)
A) a solution with a pH of 3.0
B) a 1 × 10 -4 M solution of HNO 3
C) a solution with a pOH of 12.0
D) pure water
E) a 1 × 10 -3 M solution of NH 4 Cl
38) Which of the following aqueous solutions has the lowest [OH - ]?
38)
A) a solution with a pH of 3.0
B) a 1 × 10 -4 M solution of HNO 3
C) a solution with a pOH of 12.0
D) pure water
E) a 1 × 10 -3 M solution of NH 4 Cl
39) A 0.0035 M aqueous solution of a particular compound has pH = 2.46. The compound is ________.
39)
A) a weak base
B) a weak acid
C) a strong acid
D) a strong base
E) a salt
40) Of the following substances, an aqueous solution of ________ will form basic solutions.
40)
NaHS
Cu(NO 3 ) 2
KHCO 3
NaF
A) NaHS, Cu(NO 3 ) 2
B) KHCO 3 , NaHS
C) NaF only
D) NaF, KHCO 3
E) NaHS, KHCO 3 and NaF
41) Of the following substances, an aqueous solution of ________ will form basic solutions.
41)
NH 4 Cl
Cu(NO 3 ) 2
K 2 CO 3
NaF
A) NH 4 Cl, Cu(NO 3 ) 2
B) K 2 CO 3 , NH 4 Cl
C) NaF only
D) NaF, K 2 CO 3
E) NH 4 Cl only
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