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CHEM 343 Lab Final Exam
Acetic acid is a weak acid. When acetic acid dissolves in water to make a solution, what
is the major form of acid in the solution?
a. Water
b. Hydronium ion
c. Acetate ion
d. Hydroxide ion
e. Acetic acid
Rank the following compounds in order of their increasing pKa (lowest pKa to highest):
water, methane, benzoic acid, HCl
a. HCl, water, benzoic acid, methane
b. HCl, benzoic acid, water, methane
c. water, methane, HCl, benzoic acid
d. benzoic acid, HCl, water, methane
e. methane, water, benzoic acid, HCl
As in part B of exp. 1, when the graphs are made properly, the density of the liquid can
be obtained via:
a. Slope
b. R-square
c. y-intercept
Which of the following is mostly insoluble in water?
a. Hydrochloric acid
b. Sodium chloride
c. Benzoic acid
d. Sodium benzoate
From the lecture, which one of the following is not one of the five basic categories of
organic lab work?
a. Heating
b. Analysis
c. Separation
d. Organic reaction
CHEM 343 Lab Final Exam
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