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B) H+ and OH-
C) Mg+2 and Cl-
D) H+ and Cl-
E) OH- only
8) The net ionic equation for the reaction between aqueous solutions of HF and KOH is __________.
A) HF + KOH → H2O + K+ + F-
B) HF + OH- → H2O + F-
C) HF + K+ + OH- → H2O + KF
D) H+ + OH- → H2O
E) H+ + F- + K+ + OH- → H2O + K+ + F-
9) Combining aqueous solutions of BaI2 and Na2SO4 affords a precipitate of BaSO4. Which ion(s)
is/are spectator ions in the reaction?
A) Ba2+ only
B) Na+ only
C) Ba2+ and SO42-
D) Na+ and I-
E) SO42- and I-
10) Which ion(s) is/are spectator ions in the formation of a precipitate of AgCl via combining aqueous
solutions of CoCl2 and AgNO3?
A) Co2+ and NO3-
B) NO3- and Cl-
C) Co2+ and Ag+
D) Cl-
E) NO3-
11) The balanced net ionic equation for precipitation of CaCO3 when aqueous solutions of Na2CO3 and
CaCl2 are mixed is __________.
A) 2Na+ (aq) + CO32- (aq) → Na2CO3 (aq)
B) 2Na+ (aq) + 2Cl- (aq) → 2NaCl (aq)
C) Na+ (aq) + Cl- (aq) → NaCl (aq)
D) Ca2+ (aq) + CO32- (aq) → CaCO3 (s)
E) Na2CO3 (aq) + CaCl2 (aq) → 2NaCl (aq) + CaCO3 (s)
12) When aqueous solutions of AgN O3 and KI are mixed, AgI precipitates. The balanced net ionic
equation is __________.
A) Ag+ (aq) + I- (aq) → AgI (s)
B) Ag+ (aq) + NO3- (aq) → AgNO3 (s)
C) Ag+ (aq) + NO3- (aq) → AgNO3 (aq)
D) AgNO3 (aq) + KI (aq) → AgI (s) + KNO3 (aq)
E) AgNO3 (aq) + KI (aq) → AgI (aq) + KNO3 (s)
13) When aqueous solutions of AgNO3 and NaCl are mixed, AgCl precipitates. The balanced net ionic
equation is __________.
A) Ag+ (aq) + Cl- (aq) → AgCl (s)
B) Ag+ (aq) + NO3- (aq) → AgNO3 (s)
C) Ag+ (aq) + NO3- (aq) → AgNO (aq)
D) AgNO3 (aq) + NaCl (aq) → AgCl (s) + NaNO3 (aq)
E) AgNO3 (aq) + NaCl (aq) → AgCl (aq) + NaNO3 (s)
14) When H2SO4 is neutralized by NaOH in aqueous solution, the net ionic equation is __________.
A) SO42- (aq) + 2Na+ (aq) → Na2SO4 (aq)
B) SO42- (aq) + 2Na+ (aq) → Na2SO4 (s)
C) H+ (aq) + OH- (aq) → H2O (l)
D) H2SO4 (aq) + 2OH- (aq) → 2 H2O (l) + SO42- (aq)
E) 2H+ (aq) + 2NaOH (aq) → 2 H2O (l) + 2Na+ (aq)
15) The spectator ions in the reaction between aqueous perchloric acid and aqueous barium hydroxide
are __________.
A) OH- and ClO4-
B) H+, OH-, ClO4-, and Ba2+
C) H+ and OH-
D) H+ and Ba2+
E) ClO4- and Ba2+
16) The spectator ions in the reaction between aqueous chloric acid and aqueous barium hydroxide are
__________.
A) OH- and ClO3-
B) H+, OH-, ClO3-, and Ba2+
C) H+ and OH-
D) H+ and Ba2+
E) ClO3- and Ba2+
17) The spectator ions in the reaction between aqueous hydrofluoric acid and aqueous barium hydroxide
are __________.
A) OH-, F-, and Ba2+
B) F- and Ba2+
C) OH- and F-
D) Ba2+ only
E) H+, OH-, F-, and Ba2+
18) The spectator ions in the reaction between aqueous hydrochloric acid and aqueous ammonia are
__________.
A) H+ and NH3
B) H+, Cl-, NH3, and NH4+
C) Cl- and NH4+
D) H+, Cl-, and NH4+
E) Cl- only
19) Which of the following are strong acids?
HI
HNO3
HF
HBr
A) HF, HBr
B) HI, HNO3, HF, HBr
C) HI, HF, HBr
D) HNO3, HF, HBr
E) HI, HNO3, HBr
20) Which hydroxides are strong bases?
Sr (OH)2
KOH
NaOH
Ba(OH)2
A) KOH, Ba(OH)2
B) KOH, NaOH
C) KOH, NaOH, Ba(OH)2
D) Sr)OH)2, KOH, NaOH, Ba(OH)2
E) None of these is a strong base.
21) A neutralization reaction between an acid and a metal hydroxide produces __________.
A) water and a salt
B) hydrogen gas
C) oxygen gas
D) sodium hydroxide
E) ammonia
22) Of the metals below, only __________ will not dissolve in an aqueous solution containing nickel
ions.
aluminum
chromium
barium
tin
potassium
A) aluminum
B) chromium
C) barium
D) tin
E) potassium
23) Which of these metals is the least easily oxidized?
Na
Au
Fe
Ca
Ag
A) Na
B) Au
C) Fe
D) Ca
E) Ag
24) Which of these metals is the most easily oxidized?
Na
Au
Fe
Ca
Ag
A) Na
B) Au
C) Fe
D) Ca
E) Ag
25) Of the following elements, __________ is the only one that cannot be found in nature in its
elemental form.
Cu
Hg
Au
Ag
Na
A) Cu
B) Hg
C) Au
D) Ag
E) Na
26) Of the following elements, __________ is the most easily oxidized.
oxygen
fluorine
nitrogen
aluminum
gold
A) oxygen
B) fluorine
C) nitrogen
D) aluminum
E) gold
27) Of the following elements, __________ is the least easily oxidized.
zinc
iron
hydrogen
aluminum
lead
A) zinc
B) iron
C) hydrogen
D) aluminum
E) lead
27
28) Based on the equations below, which metal is the most active?
Pb(NO3)2 (aq) + Ni (s) → Ni(NO3)2 (aq) + Pb (s)
Pb(NO3)2 (aq) + Ag (s) → No reaction
Cu(NO3)2 (aq) + Ni (s) → Ni(NO3)2 (aq) + Cu (s)
A) Ni
B) Ag
C) Cu
D) Pb
E) N
29) When gold dissolves in aqua regia, what is reduced?
A) H+
B) N+5
C) Cl-
D) H2O
E) Au
30) What is the concentration (M) of a NaCl solution prepared by dissolving 9.3 g of NaCl in sufficient
water to give 350 mL of solution?
A) 18
B) 0.16
C) 0.45
D) 27
E) 2.7 × 10-2
31) How many moles of Co2+ are present in 0.200 L of a 0.400 M solution of CoI2?
A) 2.00
B) 0.500
C) 0.160
D) 0.0800
E) 0.0400
28
32) How many moles of Na+ are present in 343 mL of a 1.27 M solution of Na2SO4?
A) 0.436
B) 0.871
C) 1.31
D) 3.70
E) 11.1
33) How many moles of K+ are present in 343 mL of a 1.27 M solution of K3PO4?
A) 0.436
B) 1.31
C) 0.145
D) 3.70
E) 11.1
34) What are the respective concentrations (M) of Na+ and SO42- afforded by dissolving 0.500 mol
Na2SO4 in water and diluting to 1.33 L?
A) 0.665 and 0.665
B) 0.665 and 1.33
C) 1.33 and 0.665
D) 0.376 and 0.752
E) 0.752 and 0.376
35) What are the respective concentrations (M) of K+ and PO43- afforded by dissolving 0.800 mol
K3PO4 in water and diluting to 1.63 L?
A) 0.800 and 0.800
B) 0.491 and 0.491
C) 0.800 and 0.491
D) 1.44 and 0.491
E) 0.489 and 0.163
36) Calculate the concentration (M) of sodium ions in a solution made by diluting 50.0 mL of a 0.874 M
solution of sodium sulfide to a total volume of 250.0 mL.
A) 0.175
B) 4.37
C) 0.525
D) 0.350
E) 0.874
37) An aqueous ethanol solution (400 mL) was diluted to 4.00 L, giving a concentration of 0.0400 M.
The concentration of the original solution was __________ M.
A) 0.400
B) 0.200
C) 2.00
D) 1.60
E) 4.00
38) The concentration (M) of an aqueous methanol produced when 0.200 L of a 2.00 M solution was
diluted to 0.800 L is __________.
A) 0.800
B) 0.200
C) 0.500
D) 0.400
E) 8.00
39) The molarity (M) of an aqueous solution containing 22.5 g of sucrose (C12H22O11) in 35.5 mL of
solution is __________.
A) 0.0657
B) 1.85 ×
C) 1.85
D) 3.52
E) 0.104
40) The molarity (M) of an aqueous solution containing 52.5 g of sucrose (C12H22O11) in 35.5 mL of
solution is __________.
A) 5.46
B) 1.48
C) 0.104
D) 4.32
E) 1.85
41) The molarity (M) of an aqueous solution containing 22.5 g of glucose (C6H12O6) in 35.5 mL of
solution is __________.
A) 3.52
B) 0.634
C) 0.197
D) 0.125
E) 1.85
42) The molarity of an aqueous solution containing 75.3 g of glucose (C6H12O6) in 35.5 mL of solution
is __________.
A) 1.85
B) 2.12
C) 0.197
D) 3.52
E) 11.8
43) How many grams of sodium chloride are there in 55.0 mL of a 1.90 M aqueous solution of sodium
chloride?
A) 0.105
B) 6.11
C) 3.21
D) 6.11 × 103
E) 12.2
31
44) How many grams of sodium chloride are there in 550.0 mL of a 1.90 M aqueous solution of sodium
chloride?
A) 61.1
B) 1.05
C) 30.5
D) 6.11 × 104
E) 122
45) The molarity of a solution prepared by diluting 43.72 mL of 1.005 M aqueous K2Cr2O7 to 500. mL
is __________.
A) 0.0879
B) 87.9
C) 0.0218
D) 0.0115
E) 0.870
46) The molarity of a solution prepared by diluting 43.72 mL of 5.005 M aqueous K2Cr2O7 to 500. mL
is __________.
A) 57.2
B) 0.0044
C) 0.438
D) 0.0879
E) 0.870
47) The concentration of chloride ions in a 0.193 M solution of potassium chloride is __________.
A) 0.0643 M
B) 0.386 M
C) 0.0965 M
D) 0.579 M
E) 0.193 M
48) The concentration of sulfate ions in a 0.233 M solution of sulfuric acid is __________.
A) 0.699 M
B) 0.233 M
C) 0.466 M
D) 0.0777 M
E) 0.155 M
49) The concentration of iodide ions in a 0.193 M solution of barium iodide is __________.
