Exam - Faculty.utep.edu

32) Is a solution of sodium phosphate in water acidic or basic
33) In a titration experiment, a student used 24.13 mL of 0.111 M sodium hydroxide to neutralize 20.00 mL of a
hydrochloric acid solution. What was the molarity of the acid solution
34) A student had 2.0 L of a sodium hydroxide solution that had a concentration of 0.4000 M. The student needed
to make 500 mL of a 0.1000 M solution. How many mL of the concentrated solution was needed
35) A student had 5.0 L of a sulfuric acid solution available, that had a concentration of 1.000 M. The student
needed to make 200.0 mL of a 0.2000 M solution. How much of the concentrated solution was needed
TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false.
36) An ammonium chloride solution should have an acidic pH.
37) Magnesium metal is not attacked by sulfuric acid solutions.
38) Sodium carbonate gives a basic solution in water.
39) For most reactions of acids with bases, the resulting products are a salt and water.
MATCHING. Choose the item in column 2 that best matches each item in column 1.
Identify each of the following compounds as an acid, a base, or neither.
40) HCl
A) acid
41) NaOH
42) NH3
B) neither
C) base
43) H2SO4
44) CO 2-
3
45) NaCl
46) CN-
47) H2CO3
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
48) The O-H bond in water is polar because
A) it is an ionic bond.
B) oxygen is much more electronegative than hydrogen.
C) oxygen occupies more space than hydrogen.
D) hydrogen is much more electronegative than oxygen.
E) it is a hydrogen bond.
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