Question 1

What are the respective concentrations (M)of Fe3+ and I- afforded by dissolving 0.200 mol FeI3 in water and diluting to 725 mL?

Accepted Answer

A) 0.276 and 0.828 
B) 0.828 and 0.276 
C) 0.276 and 0.276 
D) 0.145 and 0.435 
E) 0.145 and 0.0483 
A) 0.276 and 0.828 
B) 0.828 and 0.276 
C) 0.276 and 0.276 
D) 0.145 and 0.435 
E) 0.145 and 0.0483

Question 2

The spectator ions in the reaction between aqueous perchloric acid and aqueous barium hydroxide are ________.

Accepted Answer

A) OH- and ClO4- 
B) H+, OH- , ClO4-, and Ba2+ 
C) H+ and OH- 
D) H+ and Ba2+ 
E) ClO4- and Ba2+ 
A) OH- and ClO4- 
B) H+, OH- , ClO4-, and Ba2+ 
C) H+ and OH- 
D) H+ and Ba2+ 
E) ClO4- and Ba2+

Question 3

The concentration of iodide ions in a 0.193 M solution of barium iodide is ________.

Accepted Answer

A) 0.193 M 
B) 0.386 M 
C) 0.0965 M 
D) 0.579 M 
E) 0.0643 M 
A) 0.193 M 
B) 0.386 M 
C) 0.0965 M 
D) 0.579 M 
E) 0.0643 M

Question 4

Which combination will produce a precipitate?

Accepted Answer

A) NaC2H3O2 (aq)and HCl (aq) 
B) NaOH (aq)and HCl (aq) 
C) AgNO3(aq)and Ca(C2H3O2)2 (aq) 
D) KOH (aq)and Mg(NO3)2 (aq) 
E) NaF (aq)and HCl (aq) 
A) NaC2H3O2 (aq)and HCl (aq) 
B) NaOH (aq)and HCl (aq) 
C) AgNO3(aq)and Ca(C2H3O2)2 (aq) 
D) KOH (aq)and Mg(NO3)2 (aq) 
E) NaF (aq)and HCl (aq)

Question 5

How many grams of NaOH (MW = 40.0)are there in 500.0 mL of a 0.250 M NaOH solution?

Accepted Answer

A) 0.00313 
B) 0.00625 
C) 20 
D) 5.00 
E) 0.125 
A) 0.00313 
B) 0.00625 
C) 20 
D) 5.00 
E) 0.125

Question 6

Oxidation is the ________ and reduction is the ________.

Accepted Answer

A) gain of oxygen, loss of electrons 
B) loss of oxygen, gain of electrons 
C) loss of electrons, gain of electrons 
D) gain of oxygen, loss of mass 
E) gain of electrons, loss of electrons 
A) gain of oxygen, loss of electrons 
B) loss of oxygen, gain of electrons 
C) loss of electrons, gain of electrons 
D) gain of oxygen, loss of mass 
E) gain of electrons, loss of electrons

Question 7

What is the concentration (M)of KCl in a solution made by mixing 25.0 mL of 0.100 M KCl with 50.0 mL of 0.100 M KCl?

Accepted Answer

A) 0.100 
B) 0.0500 
C) 0.0333 
D) 0.0250 
E) 125 
A) 0.100 
B) 0.0500 
C) 0.0333 
D) 0.0250 
E) 125

Question 8

The total concentration of ions in a 0.250 M solution of HCl is ________.

Accepted Answer

A) 0 
B) 0.125 M 
C) 0.250 M 
D) 0.500 M 
E) 0.750 M 
A) 0 
B) 0.125 M 
C) 0.250 M 
D) 0.500 M 
E) 0.750 M

Question 9

A strong electrolyte is one that ________ completely in solution.

Accepted Answer

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

Question 10

What are the spectator ions in the reaction between Mg(OH)2 (aq)and HCl (aq)?

Accepted Answer

A) Mg2+ and H+ 
B) H+ and OH- 
C) Mg2+ and Cl- 
D) H+ and Cl- 
E) OH- only 
A) Mg2+ and H+ 
B) H+ and OH- 
C) Mg2+ and Cl- 
D) H+ and Cl- 
E) OH- only

Question 11

Which one of the following substances is produced during the reaction of an acid with a metal hydroxide?

Accepted Answer

A) H2 
B) H2O 
C) CO2 
D) NaOH 
E) O2 
A) H2 
B) H2O 
C) CO2 
D) NaOH 
E) O2

Question 12

How many moles of chloride ions are in 0.500 L of a 0.250 M solution of AlCl3?

Accepted Answer

A) 0.125 
B) 0.0500 
C) 0.375 
D) 0.167 
E) 0.750 
A) 0.125 
B) 0.0500 
C) 0.375 
D) 0.167 
E) 0.750

Question 13

The net ionic equation for formation of an aqueous solution of Al(NO3)3 via mixing solid Al(OH)3 and aqueous nitric acid is ________.

Accepted Answer

A) Al(OH)3 (s)+ 3HNO3 (aq)→ 3H2O (l)+ Al(NO3)3 (aq) 
B) Al(OH)3 (s)+ 3NO3- (aq)→ 3OH- (aq)+ Al(NO3)3 (aq) 
C) Al(OH)3 (s)+ 3NO3- (aq)→ 3OH- (aq)+ Al(NO3)3 (s) 
D) Al(OH)3 (s)+ 3H+ (aq)→ 3H2O (l)+ Al3+ (aq) 
E) Al(OH)3 (s)+ 3HNO3 (aq)→ 3H2O (l)+ Al3+ (aq)+ NO3- (aq) 
A) Al(OH)3 (s)+ 3HNO3 (aq)→ 3H2O (l)+ Al(NO3)3 (aq) 
B) Al(OH)3 (s)+ 3NO3- (aq)→ 3OH- (aq)+ Al(NO3)3 (aq) 
C) Al(OH)3 (s)+ 3NO3- (aq)→ 3OH- (aq)+ Al(NO3)3 (s) 
D) Al(OH)3 (s)+ 3H+ (aq)→ 3H2O (l)+ Al3+ (aq) 
E) Al(OH)3 (s)+ 3HNO3 (aq)→ 3H2O (l)+ Al3+ (aq)+ NO3- (aq)

Question 14

The compound NH4Cl is a weak acid.

Accepted Answer

A) True 
 B)False

Question 15

If it took 49.33 mL of 0.2454 M KOH solution to neutralize 35.0 mL of arsenic acid (H3AsO4),what is the concentration (M)of the arsenic acid solution?

Accepted Answer

Question 16

Which of the following is insoluble in water at 25 °C?

Accepted Answer

A) Mg3(PO4)2 
B) Na2S 
C) (NH4)2CO3 
D) Ca(OH)2 
E) Ba(C2H3O2)2 
A) Mg3(PO4)2 
B) Na2S 
C) (NH4)2CO3 
D) Ca(OH)2 
E) Ba(C2H3O2)2

Question 17

Aqueous solutions of a compound did not form precipitates with Cl-,Br-,I-,SO42-,CO32-,PO43-,OH-,or S2-.This highly water-soluble compound produced the foul-smelling gas H2S when the solution was acidified.This compound is ________.

Accepted Answer

A) Pb(NO3)2 
B) (NH4)2S 
C) KBr 
D) Li2CO3 
E) AgNO3 
A) Pb(NO3)2 
B) (NH4)2S 
C) KBr 
D) Li2CO3 
E) AgNO3

Question 18

What volume (mL)of   potassium hydroxide will it take to reach the equivalence point in a 16.3 mL aliquot of   triprotic acid?

Accepted Answer

A) 2.22 
B) 18.3 
C) 55.0 
D) 6.11 
E) 120 
A) 2.22 
B) 18.3 
C) 55.0 
D) 6.11 
E) 120

Question 19

Aqueous potassium chloride will react with which one of the following in an exchange (metathesis)reaction?

Accepted Answer

A) calcium nitrate 
B) sodium bromide 
C) lead nitrate 
D) barium nitrate 
E) sodium chloride 
A) calcium nitrate 
B) sodium bromide 
C) lead nitrate 
D) barium nitrate 
E) sodium chloride

Question 20

The compound HClO4 is a weak acid.

Accepted Answer

A) True 
 B)False

Exam 4: Reactions in Aqueous Solution

What are the respective concentrations (M)of Fe3+ and I- afforded by dissolving 0.200 mol FeI3 in water and diluting to 725 mL?

The spectator ions in the reaction between aqueous perchloric acid and aqueous barium hydroxide are ________.

The concentration of iodide ions in a 0.193 M solution of barium iodide is ________.

Which combination will produce a precipitate?

How many grams of NaOH (MW = 40.0)are there in 500.0 mL of a 0.250 M NaOH solution?

Oxidation is the ________ and reduction is the ________.

What is the concentration (M)of KCl in a solution made by mixing 25.0 mL of 0.100 M KCl with 50.0 mL of 0.100 M KCl?

The total concentration of ions in a 0.250 M solution of HCl is ________.

A strong electrolyte is one that ________ completely in solution.

What are the spectator ions in the reaction between Mg(OH)2 (aq)and HCl (aq)?

Which one of the following substances is produced during the reaction of an acid with a metal hydroxide?

How many moles of chloride ions are in 0.500 L of a 0.250 M solution of AlCl3?

The net ionic equation for formation of an aqueous solution of Al(NO3)3 via mixing solid Al(OH)3 and aqueous nitric acid is ________.

The compound NH4Cl is a weak acid.

If it took 49.33 mL of 0.2454 M KOH solution to neutralize 35.0 mL of arsenic acid (H3AsO4),what is the concentration (M)of the arsenic acid solution?

Which of the following is insoluble in water at 25 °C?

Aqueous solutions of a compound did not form precipitates with Cl-,Br-,I-,SO42-,CO32-,PO43-,OH-,or S2-.This highly water-soluble compound produced the foul-smelling gas H2S when the solution was acidified.This compound is ________.

What volume (mL)of potassium hydroxide will it take to reach the equivalence point in a 16.3 mL aliquot of triprotic acid?

Aqueous potassium chloride will react with which one of the following in an exchange (metathesis)reaction?

The compound HClO4 is a weak acid.

Introduction: Matter, energy, and Measurement

Atoms, molecules, and Ions

Chemical Reactions and Reaction Stoichiometry

Thermochemistry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Molecular Geometry and Bonding Theories

Gases

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

Filters

What are the respective concentrations (M)of Fe³⁺ and I^- afforded by dissolving 0.200 mol FeI₃ in water and diluting to 725 mL?

Oxidation is the and reduction is the .

What are the spectator ions in the reaction between Mg(OH)₂ (aq)and HCl (aq)?

How many moles of chloride ions are in 0.500 L of a 0.250 M solution of AlCl₃?

The net ionic equation for formation of an aqueous solution of Al(NO₃)₃ via mixing solid Al(OH)₃ and aqueous nitric acid is ________.

The compound NH₄Cl is a weak acid.

If it took 49.33 mL of 0.2454 M KOH solution to neutralize 35.0 mL of arsenic acid (H₃AsO₄),what is the concentration (M)of the arsenic acid solution?

Aqueous solutions of a compound did not form precipitates with Cl^-,Br^-,I^-,SO₄^2-,CO₃^2-,PO₄^3-,OH^-,or S^2-.This highly water-soluble compound produced the foul-smelling gas H₂S when the solution was acidified.This compound is ________.

The compound HClO₄ is a weak acid.