Question 1

Which of the following reactions will not occur as written?

Accepted Answer

A)  Mg (s) + Ca(OH)2 (aq) - Ca (s) + Mg(OH)2 (aq) 
B)  Co (s) + 2AgCl (aq) - 2Ag (s) + CoCl2 (aq) 
C)  Sn (s) + 2AgNO3 (aq) - 2Ag (s) + Sn(NO3)2 (aq) 
D)  Co (s) + 2HI (aq) -H2 (g) + CoI2 (aq) 
E)  Zn (s) + Pb(NO3)2 (aq) - Pb (s) + Zn(NO3)2 (aq) 
A)  Mg (s) + Ca(OH)2 (aq) - Ca (s) + Mg(OH)2 (aq) 
B)  Co (s) + 2AgCl (aq) - 2Ag (s) + CoCl2 (aq) 
C)  Sn (s) + 2AgNO3 (aq) - 2Ag (s) + Sn(NO3)2 (aq) 
D)  Co (s) + 2HI (aq) -H2 (g) + CoI2 (aq) 
E)  Zn (s) + Pb(NO3)2 (aq) - Pb (s) + Zn(NO3)2 (aq)

Question 2

A 36.3 mL aliquot of 0.0529 M H2SO4 (aq) is to be titrated with 0.0411 M NaOH (aq). What volume (mL) of base will it take to reach the equivalence point?

Accepted Answer

A)  1.92 
B)  3.84 
C)  93.6 
D)  187 
E)  46.8 
A)  1.92 
B)  3.84 
C)  93.6 
D)  187 
E)  46.8

Question 3

Based on the equations below, which metal is the most active?

Accepted Answer

A) N 
B)  Ni 
C)  Cu 
D)  Pb 
E)  Ag 
A) N 
B)  Ni 
C)  Cu 
D)  Pb 
E)  Ag

Question 4

Which of the following are strong acids?

Accepted Answer

A)  HI , HF , HBr 
B)  HF , HBr 
C)  HNO3 , HF , HBr 
D)  HI , HNO3 , HF , HBr 
E)  HI , HNO3 , HBr 
A)  HI , HF , HBr 
B)  HF , HBr 
C)  HNO3 , HF , HBr 
D)  HI , HNO3 , HF , HBr 
E)  HI , HNO3 , HBr

Question 5

The molarity of an aqueous solution containing 75.3 g of glucose (C6H12O6) in 35.5 mL of solution is .

Accepted Answer

A)  0.197 
B)  11.8 
C)  2.12 
D)  3.52 
E)  1.85 
A)  0.197 
B)  11.8 
C)  2.12 
D)  3.52 
E)  1.85

Question 6

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 .

Accepted Answer

A)  8.00 
B)  0.200 
C)  0.400 
D)  0.500 
E)  0.800 
A)  8.00 
B)  0.200 
C)  0.400 
D)  0.500 
E)  0.800

Question 7

HNO2 is a strong acid.

Accepted Answer

A) True 
 B)False

Question 8

What volume (mL) of 7.48 × 10- 2 M perchloric acid can be neutralized with 115 mL of 0.244 M sodium hydroxide?

Accepted Answer

A)  188 
B)  375 
C)  125 
D)  8.60 
E)  750 
A)  188 
B)  375 
C)  125 
D)  8.60 
E)  750

Question 9

When gold dissolves in aqua regia, into what form is the gold converted?

Accepted Answer

The answer of When gold dissolves in aqua regia, into...

Question 10

Silver ions can be precipitated from aqueous solutions by the addition of aqueous chloride:
 
Silver chloride is virtually insoluble in water so that the reaction appears to go to completion. How Many grams of solid NaCl must be added to 25.0 mL of 0.366 M AgNO3 solution to completely precipitate the silver?

Accepted Answer

A)  1.57 × 10- 4 
B)  9.15 × 10- 3 
C)  6.39 × 103 
D)  0.157 
E)  0.535 
A)  1.57 × 10- 4 
B)  9.15 × 10- 3 
C)  6.39 × 103 
D)  0.157 
E)  0.535

Question 11

A 31.5 mL aliquot of HNO3 (aq) of unknown concentration was titrated with 0.0134 M NaOH (aq). It took 23.9 mL of the base to reach the endpoint of the titration. The concentration (M) of the acid was .

Accepted Answer

A)  0.0102 
B)  0.0051 
C)  1.02 
D)  0.227 
E)  0.0204 
A)  0.0102 
B)  0.0051 
C)  1.02 
D)  0.227 
E)  0.0204

Question 12

What volume (L) of 0.250 M HNO3 is required to neutralize a solution prepared by dissolving 17.5 g of NaOH in 350 mL of water?

Accepted Answer

A)  1.75 
B)  0.070 
C)  1.75 × 10- 3 
D)  50.0 
E)  0.44 
A)  1.75 
B)  0.070 
C)  1.75 × 10- 3 
D)  50.0 
E)  0.44

Question 13

Consider the following reactions:
 
Which is the correct order of increasing activity for these metals?

Accepted Answer

A)  Co < Ag < Zn 
B)  Ag < Co < Zn 
C)  Co < Zn < Ag 
D)  Zn < Co < Ag 
E)  Ag < Zn < Co 
A)  Co < Ag < Zn 
B)  Ag < Co < Zn 
C)  Co < Zn < Ag 
D)  Zn < Co < Ag 
E)  Ag < Zn < Co

Question 14

Sodium does not occur in nature as Na (s) because .

Accepted Answer

A)  it is easily reduced to Na- 
B)  it reacts with water with great difficulty 
C)  it is easily oxidized to Na+ 
D)  it is easily replaced by silver in its ores 
E)  it undergoes a disproportionation reaction to Na- and Na+ 
A)  it is easily reduced to Na- 
B)  it reacts with water with great difficulty 
C)  it is easily oxidized to Na+ 
D)  it is easily replaced by silver in its ores 
E)  it undergoes a disproportionation reaction to Na- and Na+

Question 15

Calculate the concentration (M) of sodium ions in a solution made by diluting 40.0 mL of a
0.474 M solution of sodium sulfide to a total volume of 300 mL.

Accepted Answer

The answer of Calculate the concentration (M) of sodium ions...

Question 16

A strong electrolyte is one that _ completely in solution.

Accepted Answer

A)  decomposes 
B)  ionizes 
C)  disappears 
D)  reacts 
A)  decomposes 
B)  ionizes 
C)  disappears 
D)  reacts

Question 17

The concentration of species in 500 mL of a 2.104 M solution of sodium sulfate is M sodium ion and M sulfate ion.

Accepted Answer

A)  2.104, 4.208 
B)  4.208, 2.104 
C)  1.052, 1.052 
D)  2.104, 1.052 
E)  2.104, 2.104 
A)  2.104, 4.208 
B)  4.208, 2.104 
C)  1.052, 1.052 
D)  2.104, 1.052 
E)  2.104, 2.104

Question 18

How many grams of sodium chloride are there in 55.0 mL of a 1.90 M aqueous solution of sodium chloride?

Accepted Answer

A)  3.21 
B)  12.2 
C)  6.11 × 103  
D)  6.11 
E)  0.105 
A)  3.21 
B)  12.2 
C)  6.11 × 103  
D)  6.11 
E)  0.105

Question 19

The net ionic equation for the reaction between aqueous sulfuric acid and aqueous sodium hydroxide is .

Accepted Answer

A)  2H+ (aq) + SO42- (aq) + 2Na+ (aq) + 2OH- (aq) - 2H2O (l) + 2Na+ (aq) + SO42- (aq) 
B)  2H+ (aq) + 2OH- (aq) - 2H2O( l) 
C)  SO42- (aq) + 2Na+ (aq) - 2Na+ (aq) + SO42- (aq) 
D)  H+ (aq) + HSO4- (aq) + 2OH- (aq) - 2H2O (l) + SO42- (aq) 
E)  H+ (aq) + HSO4- (aq) + 2Na+ (aq) + 2OH- (aq) - 2H2O (l) + 2Na+ (aq) + SO42- (aq) 
A)  2H+ (aq) + SO42- (aq) + 2Na+ (aq) + 2OH- (aq) - 2H2O (l) + 2Na+ (aq) + SO42- (aq) 
B)  2H+ (aq) + 2OH- (aq) - 2H2O( l) 
C)  SO42- (aq) + 2Na+ (aq) - 2Na+ (aq) + SO42- (aq) 
D)  H+ (aq) + HSO4- (aq) + 2OH- (aq) - 2H2O (l) + SO42- (aq) 
E)  H+ (aq) + HSO4- (aq) + 2Na+ (aq) + 2OH- (aq) - 2H2O (l) + 2Na+ (aq) + SO42- (aq)

Question 20

How many milliliters of 0.132 M HClO4 solution are needed to neutralize 50.00 mL of 0.0789 M NaOH?

Accepted Answer

A)  0.0120 
B)  0.0335 
C)  83.7 
D)  29.9 
E)  0.521 
A)  0.0120 
B)  0.0335 
C)  83.7 
D)  29.9 
E)  0.521

Exam 4: Aqueous Reactions and Solution Stoichiometry

Which of the following reactions will not occur as written?

A 36.3 mL aliquot of 0.0529 M H2SO4 (aq) is to be titrated with 0.0411 M NaOH (aq). What volume (mL) of base will it take to reach the equivalence point?

Based on the equations below, which metal is the most active?

Which of the following are strong acids?

The molarity of an aqueous solution containing 75.3 g of glucose (C6H12O6) in 35.5 mL of solution is .

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 .

HNO2 is a strong acid.

What volume (mL) of 7.48 × 10- 2 M perchloric acid can be neutralized with 115 mL of 0.244 M sodium hydroxide?

When gold dissolves in aqua regia, into what form is the gold converted?

A 31.5 mL aliquot of HNO3 (aq) of unknown concentration was titrated with 0.0134 M NaOH (aq). It took 23.9 mL of the base to reach the endpoint of the titration. The concentration (M) of the acid was .

What volume (L) of 0.250 M HNO3 is required to neutralize a solution prepared by dissolving 17.5 g of NaOH in 350 mL of water?

Consider the following reactions: Which is the correct order of increasing activity for these metals?

Sodium does not occur in nature as Na (s) because .

Calculate the concentration (M) of sodium ions in a solution made by diluting 40.0 mL of a 0.474 M solution of sodium sulfide to a total volume of 300 mL.

A strong electrolyte is one that _ completely in solution.

The concentration of species in 500 mL of a 2.104 M solution of sodium sulfate is M sodium ion and M sulfate ion.

How many grams of sodium chloride are there in 55.0 mL of a 1.90 M aqueous solution of sodium chloride?

The net ionic equation for the reaction between aqueous sulfuric acid and aqueous sodium hydroxide is .

How many milliliters of 0.132 M HClO4 solution are needed to neutralize 50.00 mL of 0.0789 M NaOH?

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Gases

Intermolecular Forces, Liquids, and Solids

Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Chemistry of Coordination Compounds

The Chemistry of Life: Organic and Biological Chemistry

Filters

A 36.3 mL aliquot of 0.0529 M H₂SO₄(aq) is to be titrated with 0.0411 M NaOH (aq). What volume (mL) of base will it take to reach the equivalence point?

The molarity of an aqueous solution containing 75.3 g of glucose (C₆H₁₂O₆) in 35.5 mL of solution is .

HNO₂is a strong acid.

What volume (mL) of 7.48 × 10^-²M perchloric acid can be neutralized with 115 mL of 0.244 M sodium hydroxide?

A 31.5 mL aliquot of HNO₃(aq) of unknown concentration was titrated with 0.0134 M NaOH (aq). It took 23.9 mL of the base to reach the endpoint of the titration. The concentration (M) of the acid was .

What volume (L) of 0.250 M HNO₃is required to neutralize a solution prepared by dissolving 17.5 g of NaOH in 350 mL of water?

How many milliliters of 0.132 M HClO₄solution are needed to neutralize 50.00 mL of 0.0789 M NaOH?