Question 1

A hydronium ion is a hydrated proton.

Accepted Answer

A) True 
 B)False

Question 2

What is the pH of a 0.020 M nitric acid solution?

Accepted Answer

A) 0.020 
B) -2.0 
C) 1.7 
D) 4.0 
A) 0.020 
B) -2.0 
C) 1.7 
D) 4.0

Question 3

What is the pH of a 0.01 M solution of hydrochloric acid?

Accepted Answer

A) 0.01 
B) 1 
C) 2 
D) -2 
A) 0.01 
B) 1 
C) 2 
D) -2

Question 4

A base solution contains 0.400 moles of OH -1.The base solution is neutralized by 43.4 mL of sulfuric acid.What is the molarity of the sulfuric acid solution?

Accepted Answer

Question 5

Boron trifluoride is a Lewis acid.

Accepted Answer

A) True 
 B)False

Question 6

Bronsted and Lowry defined an acid as a(n)

Accepted Answer

A) electron donor. 
B) electron acceptor. 
C) proton donor. 
D) proton acceptor. 
A) electron donor. 
B) electron acceptor. 
C) proton donor. 
D) proton acceptor.

Question 7

Which are the two Bronsted-Lowry acids in the following equation? H2S + H2O   HS -1 + H3O +1

Accepted Answer

A) HS -1 and H2O 
B) H2S and HS -1 
C) H2S and H3O +1 
D) H3O +1 and H2O 
A) HS -1 and H2O 
B) H2S and HS -1 
C) H2S and H3O +1 
D) H3O +1 and H2O

Question 8

What is the freezing point of a 3.0 m aqueous solution of NaCl? (The freezing point depression constant for water is 1.86 °C/m. )

Accepted Answer

A) 5.6 °C 
B) -5.6 °C 
C) 11 °C 
D) -11 °C 
A) 5.6 °C 
B) -5.6 °C 
C) 11 °C 
D) -11 °C

Question 9

Calculate the pH of the following solutions:
A.0.034 M HCl
B.0.31 M HNO3
C.0.0034 M HI

Accepted Answer

A.pH = 1.5

Question 10

Which pH is neutral?

Accepted Answer

A) 2 
B) 4 
C) 5 
D) 7 
A) 2 
B) 4 
C) 5 
D) 7

Question 11

In an acidic solution the

Accepted Answer

A) concentration of hydronium ion is greater than that of hydroxide ion 
B) concentration of hydroxide ion greater than that of hydronium ion 
C) concentration of hydronium ion and hydroxide ion are equal 
A) concentration of hydronium ion is greater than that of hydroxide ion 
B) concentration of hydroxide ion greater than that of hydronium ion 
C) concentration of hydronium ion and hydroxide ion are equal

Question 12

What is the pH of a solution whose H3O +1 concentration is 1   10 -9?

Accepted Answer

A) 1 
B) 9 
C) -9 
D) -1 
A) 1 
B) 9 
C) -9 
D) -1

Question 13

Strong acids are strong electrolytes.

Accepted Answer

A) True 
 B)False

Question 14

What is the concentration of calcium ion in a 2.0 M solution of calcium chloride?

Accepted Answer

A) 1.0 M 
B) 2.0 M 
C) 3.0 M 
D) 4.0 M 
A) 1.0 M 
B) 2.0 M 
C) 3.0 M 
D) 4.0 M

Question 15

Which is a strong base?

Accepted Answer

A) NH4OH 
B) Ca(OH)2 
C) HNO2 
D) HNO3 
A) NH4OH 
B) Ca(OH)2 
C) HNO2 
D) HNO3

Question 16

Which is a strong acid?

Accepted Answer

A) HClO3 
B) HClO2 
C) H2SO3 
D) H2SO4 
A) HClO3 
B) HClO2 
C) H2SO3 
D) H2SO4

Question 17

For the following neutralization reaction:
hydrochloric acid plus barium hydroxide yields barium chloride plus water
A.Write the balanced formula equation.
B.Write the total ionic equation.
C.Write the net ionic equation.

Accepted Answer

A.2 HCl + Ba(OH)₂ @#LAT-DLM& BaCl₂

Question 18

The pH of a solution can be calculated from the expression

Accepted Answer

A) pH = - log [OH -1] 
B) pH = log [OH -1] 
C) pH = - log [H +1] 
D) pH = log [H +1] 
A) pH = - log [OH -1] 
B) pH = log [OH -1] 
C) pH = - log [H +1] 
D) pH = log [H +1]

Question 19

Which is a strong base?

Accepted Answer

A) CuOH 
B) HCl 
C) KOH 
D) CH3OH 
A) CuOH 
B) HCl 
C) KOH 
D) CH3OH

Question 20

The concentration of an aqueous solution of iron(II)chloride is 0.0550 M.What is the molarity of each ion in this solution?

Accepted Answer

A) 0.0550 M for both the iron(II)and chloride ions. 
B) 0.0550 M for the iron(II)ion and 0.110 M for the chloride ion. 
C) 0.110 M for the iron(II)ion and 0.0550 M for the chloride ion. 
D) not enough information is given to determine each molarity. 
A) 0.0550 M for both the iron(II)and chloride ions. 
B) 0.0550 M for the iron(II)ion and 0.110 M for the chloride ion. 
C) 0.110 M for the iron(II)ion and 0.0550 M for the chloride ion. 
D) not enough information is given to determine each molarity.

A hydronium ion is a hydrated proton.

What is the pH of a 0.020 M nitric acid solution?

What is the pH of a 0.01 M solution of hydrochloric acid?

A base solution contains 0.400 moles of OH^-1.The base solution is neutralized by 43.4 mL of sulfuric acid.What is the molarity of the sulfuric acid solution?

Boron trifluoride is a Lewis acid.

Bronsted and Lowry defined an acid as a(n)

Which are the two Bronsted-Lowry acids in the following equation? H₂S + H₂O HS^-1 + H₃O⁺¹

What is the freezing point of a 3.0 m aqueous solution of NaCl? (The freezing point depression constant for water is 1.86^°C/m. )

Calculate the pH of the following solutions: A.0.034 M HCl B.0.31 M HNO₃ C.0.0034 M HI

Which pH is neutral?

In an acidic solution the

What is the pH of a solution whose H₃O⁺¹ concentration is 1 10^-9?

Strong acids are strong electrolytes.

What is the concentration of calcium ion in a 2.0 M solution of calcium chloride?

Which is a strong base?

Which is a strong acid?

For the following neutralization reaction: hydrochloric acid plus barium hydroxide yields barium chloride plus water A.Write the balanced formula equation. B.Write the total ionic equation. C.Write the net ionic equation.

The pH of a solution can be calculated from the expression

Which is a strong base?

The concentration of an aqueous solution of iron(II)chloride is 0.0550 M.What is the molarity of each ion in this solution?

An Introduction to Chemistry

Standards for Measurement

Elements and Compounds

Properties of Matter

Early Atomic Theory and Structure

Nomenclature of Inorganic Compounds

Quantitative Composition of Compounds

Chemical Equations

Calculations From Chemical Equations

Modern Atomic Theory and the Periodic Table

Chemical Bonds: the Formation of Compounds From Atoms

The Gaseous State of Matter

Liquids

Solutions

Chemical Equilibrium

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Exam 15: Acids, Bases, and Salts

A hydronium ion is a hydrated proton.

What is the pH of a 0.020 M nitric acid solution?

What is the pH of a 0.01 M solution of hydrochloric acid?

A base solution contains 0.400 moles of OH -1.The base solution is neutralized by 43.4 mL of sulfuric acid.What is the molarity of the sulfuric acid solution?

Boron trifluoride is a Lewis acid.

Bronsted and Lowry defined an acid as a(n)

Which are the two Bronsted-Lowry acids in the following equation? H2S + H2O HS -1 + H3O +1

What is the freezing point of a 3.0 m aqueous solution of NaCl? (The freezing point depression constant for water is 1.86 °C/m. )

Calculate the pH of the following solutions: A.0.034 M HCl B.0.31 M HNO3 C.0.0034 M HI

Which pH is neutral?

In an acidic solution the

What is the pH of a solution whose H3O +1 concentration is 1 10 -9?

Strong acids are strong electrolytes.

What is the concentration of calcium ion in a 2.0 M solution of calcium chloride?

Which is a strong base?

Which is a strong acid?

For the following neutralization reaction: hydrochloric acid plus barium hydroxide yields barium chloride plus water A.Write the balanced formula equation. B.Write the total ionic equation. C.Write the net ionic equation.

The pH of a solution can be calculated from the expression

Which is a strong base?

The concentration of an aqueous solution of iron(II)chloride is 0.0550 M.What is the molarity of each ion in this solution?

An Introduction to Chemistry

Standards for Measurement

Elements and Compounds

Properties of Matter

Early Atomic Theory and Structure

Nomenclature of Inorganic Compounds

Quantitative Composition of Compounds

Chemical Equations

Calculations From Chemical Equations

Modern Atomic Theory and the Periodic Table

Chemical Bonds: the Formation of Compounds From Atoms

The Gaseous State of Matter

Liquids

Solutions

Chemical Equilibrium

Oxidationreduction

Nuclear Chemistry

Introduction to Organic Chemistry Online Only

Introduction to Biochemistry Online Only

Filters

A base solution contains 0.400 moles of OH^-1.The base solution is neutralized by 43.4 mL of sulfuric acid.What is the molarity of the sulfuric acid solution?

Which are the two Bronsted-Lowry acids in the following equation? H₂S + H₂O HS^-1 + H₃O⁺¹

What is the freezing point of a 3.0 m aqueous solution of NaCl? (The freezing point depression constant for water is 1.86^°C/m. )

Calculate the pH of the following solutions: A.0.034 M HCl B.0.31 M HNO₃ C.0.0034 M HI

What is the pH of a solution whose H₃O⁺¹ concentration is 1 10^-9?