Question 1

What is the molar concentration of sodium ions in a 0.750 M Na3PO4 solution?

Accepted Answer

A) 0.250 M 
B) 0.750 M 
C) 2.25 M 
D) 3.00 M 
A) 0.250 M 
B) 0.750 M 
C) 2.25 M 
D) 3.00 M

Question 2

Assuming complete dissociation,the molar concentration of Br- ions in 0.500 M BaBr2 is ________.

Accepted Answer

Question 3

Using the following portion of the activity series for oxidation half reactions,determine which combination of reactants will result in a reaction. Ca(s)→ Ca2+(aq)+ 2 e-
Ag(s)→ Ag +(aq)+ e-

Accepted Answer

A) Ca(s)with Ag(s) 
B) Ca(s)with Ag +(aq) 
C) Ca2+(aq)with Ag +(aq) 
D) Ca2+(aq)with Ag(s) 
A) Ca(s)with Ag(s) 
B) Ca(s)with Ag +(aq) 
C) Ca2+(aq)with Ag +(aq) 
D) Ca2+(aq)with Ag(s)

Question 4

The combustion reaction CH4(g)+ 2 O2(g)→ CO2(g)+ 2 H2O(l)can be classified as a(n)

Accepted Answer

A) acid-base neutralization reaction. 
B) double replacement reaction. 
C) oxidation-reduction reaction. 
D) precipitation reaction. 
A) acid-base neutralization reaction. 
B) double replacement reaction. 
C) oxidation-reduction reaction. 
D) precipitation reaction.

Question 5

Which species functions as the oxidizing agent in the following reduction-oxidation reaction? Zn(s)+ Ni2+(aq)→ Ni(s)+ Zn2+(aq)

Accepted Answer

A) Ni(s) 
B) Ni2+(aq) 
C) Zn(s) 
D) Zn2+(aq) 
A) Ni(s) 
B) Ni2+(aq) 
C) Zn(s) 
D) Zn2+(aq)

Question 6

Assume that the unshaded spheres in the buret represent HS1U1P1+S1S1P0 ions,the shaded spheres in the flask represent OHS1U1P1-S1S1P0 ions,and you are carrying out a titration of the base with the acid.  
-If the volumes in the buret and the flask are identical and the concentration of the acid in the buret is 0.250 M,what is the concentration of the base in the flask?

Accepted Answer

A) 0.167 M 
B) 0.250 M 
C) 0.375 M 
D) 0.667 M 
A) 0.167 M 
B) 0.250 M 
C) 0.375 M 
D) 0.667 M

Question 7

Which statement about diluted solutions is false? When a solution is diluted

Accepted Answer

A) the concentration of the solution decreases. 
B) the molarity of the solution decreases. 
C) the number of moles of solute remains unchanged. 
D) the number of moles of solvent remains unchanged. 
A) the concentration of the solution decreases. 
B) the molarity of the solution decreases. 
C) the number of moles of solute remains unchanged. 
D) the number of moles of solvent remains unchanged.

Question 8

The hydrogen ion,H+,is also referred to as a ________,and a hydrated hydrogen ion,H3O+,is called a ________ ion.

Accepted Answer

Question 9

The name of H2SO3 is

Accepted Answer

A) sulfurous acid. 
B) sulfuric acid. 
C) hydrosulfuric acid. 
D) hydrosulfurous acid. 
A) sulfurous acid. 
B) sulfuric acid. 
C) hydrosulfuric acid. 
D) hydrosulfurous acid.

Question 10

Write a balanced net ionic equation for the reaction of Li2CO3(s)and HCl(aq).

Accepted Answer

A) Li2CO3(s)+ 2 HCl(aq)→ 2 LiCl(aq)+ H2O(l)+ CO2(g) 
B) 2Li+(aq)+ CO32-(aq)+ 2H+(aq)+ 2Cl-(aq)→ 2Li+(aq)+ 2Cl-(aq)+ H2O(l)+ CO2(g) 
C) Li2CO3(s)+ 2 H+(aq)→ 2 Li+(aq)+ H2O(l)+ CO2(g) 
D) CO32-(aq)+ 2 H+(aq)→ H2O(l)+ CO2(g) 
A) Li2CO3(s)+ 2 HCl(aq)→ 2 LiCl(aq)+ H2O(l)+ CO2(g) 
B) 2Li+(aq)+ CO32-(aq)+ 2H+(aq)+ 2Cl-(aq)→ 2Li+(aq)+ 2Cl-(aq)+ H2O(l)+ CO2(g) 
C) Li2CO3(s)+ 2 H+(aq)→ 2 Li+(aq)+ H2O(l)+ CO2(g) 
D) CO32-(aq)+ 2 H+(aq)→ H2O(l)+ CO2(g)

Question 11

The acids HNO3 and HNO2 are named ________ and ________,respectively.

Accepted Answer

nitric aci

What is the molar concentration of sodium ions in a 0.750 M Na₃PO₄ solution?

Assuming complete dissociation,the molar concentration of Br^- ions in 0.500 M BaBr₂ is ________.

Using the following portion of the activity series for oxidation half reactions,determine which combination of reactants will result in a reaction. Ca(s)→ Ca²⁺(aq)+ 2 e^- Ag(s)→ Ag⁺(aq)+ e^-

The combustion reaction CH₄(g)+ 2 O₂(g)→ CO₂(g)+ 2 H₂O(l)can be classified as a(n)

Which species functions as the oxidizing agent in the following reduction-oxidation reaction? Zn(s)+ Ni²⁺(aq)→ Ni(s)+ Zn²⁺(aq)

Which statement about diluted solutions is false? When a solution is diluted

The hydrogen ion,H⁺,is also referred to as a ,and a hydrated hydrogen ion,H₃O⁺,is called a ion.

The name of H₂SO₃ is

Write a balanced net ionic equation for the reaction of Li₂CO₃(s)and HCl(aq).

The acids HNO₃ and HNO₂ are named and ,respectively.

Chemical Tools: Experimentation and Measurement

Atoms, molecules, and Ions

Mass Relationships in Chemical Reactions

Periodicity and the Electronic Structure of Atoms

Ionic Compounds: Periodic Trends and Bonding

Covalent Bonding and Electron-Dot Structures

Covalent Compounds: Bonding Theories and Molecular Structure

Thermochemistry: Chemical Energy

Gases: Their Properties and Behavior

Liquids, solids, and Phase Changes

Solutions and Their Properties

Chemical Kinetics

Chemical Equilibrium

Aqueous Equilibria: Acids and Bases

Applications of Aqueous Equilibria

Thermodynamics: Entropy, free Energy, and Equilibrium

Electrochemistry

Nuclear Chemistry

Transition Elements and Coordination Chemistry

Metals and Solid-State Materials

The Main-Group Elements

Connections to Organic and Biological Chemistry

Filters

Exam 4: Reactions in Aqueous Solutions

What is the molar concentration of sodium ions in a 0.750 M Na3PO4 solution?

Assuming complete dissociation,the molar concentration of Br- ions in 0.500 M BaBr2 is ________.

Using the following portion of the activity series for oxidation half reactions,determine which combination of reactants will result in a reaction. Ca(s)→ Ca2+(aq)+ 2 e- Ag(s)→ Ag +(aq)+ e-

The combustion reaction CH4(g)+ 2 O2(g)→ CO2(g)+ 2 H2O(l)can be classified as a(n)

Which species functions as the oxidizing agent in the following reduction-oxidation reaction? Zn(s)+ Ni2+(aq)→ Ni(s)+ Zn2+(aq)

Which statement about diluted solutions is false? When a solution is diluted

The hydrogen ion,H+,is also referred to as a ________,and a hydrated hydrogen ion,H3O+,is called a ________ ion.

The name of H2SO3 is

Write a balanced net ionic equation for the reaction of Li2CO3(s)and HCl(aq).

The acids HNO3 and HNO2 are named ________ and ________,respectively.

Chemical Tools: Experimentation and Measurement

Atoms, molecules, and Ions

Mass Relationships in Chemical Reactions

Periodicity and the Electronic Structure of Atoms

Ionic Compounds: Periodic Trends and Bonding

Covalent Bonding and Electron-Dot Structures

Covalent Compounds: Bonding Theories and Molecular Structure

Thermochemistry: Chemical Energy

Gases: Their Properties and Behavior

Liquids, solids, and Phase Changes

Solutions and Their Properties

Chemical Kinetics

Chemical Equilibrium

Aqueous Equilibria: Acids and Bases

Applications of Aqueous Equilibria

Thermodynamics: Entropy, free Energy, and Equilibrium

Electrochemistry

Nuclear Chemistry

Transition Elements and Coordination Chemistry

Metals and Solid-State Materials

The Main-Group Elements

Connections to Organic and Biological Chemistry

Filters

What is the molar concentration of sodium ions in a 0.750 M Na₃PO₄ solution?

Assuming complete dissociation,the molar concentration of Br^- ions in 0.500 M BaBr₂ is ________.

Using the following portion of the activity series for oxidation half reactions,determine which combination of reactants will result in a reaction. Ca(s)→ Ca²⁺(aq)+ 2 e^- Ag(s)→ Ag⁺(aq)+ e^-

The combustion reaction CH₄(g)+ 2 O₂(g)→ CO₂(g)+ 2 H₂O(l)can be classified as a(n)

Which species functions as the oxidizing agent in the following reduction-oxidation reaction? Zn(s)+ Ni²⁺(aq)→ Ni(s)+ Zn²⁺(aq)

The hydrogen ion,H⁺,is also referred to as a ,and a hydrated hydrogen ion,H₃O⁺,is called a ion.

The name of H₂SO₃ is

Write a balanced net ionic equation for the reaction of Li₂CO₃(s)and HCl(aq).

The acids HNO₃ and HNO₂ are named and ,respectively.