Question 1

Identify each [H?O+] / [OH-] / pH / pOH  as acidic or basic.
-[H?O+] = 1.2 × 10-9

Accepted Answer

A) Basic 
B) Acidic 
A) Basic 
B) Acidic

Question 2

Identify the household products as acidic or basic.
-Milk

Accepted Answer

A) Acidic 
B) Basic 
A) Acidic 
B) Basic

Question 3

Identify the household products as acidic or basic.
-Natural rainwater

Accepted Answer

A) Acidic 
B) Basic 
A) Acidic 
B) Basic

Question 4

Identify each of the substances as an electrolyte or non-electrolyte.
-pure water

Accepted Answer

A) non-electrolyte 
B) electrolyte 
A) non-electrolyte 
B) electrolyte

Question 5

Identify each of the acids as a strong acid or a weak acid.
-hypochlorous acid

Accepted Answer

A) weak acid 
B) strong acid 
A) weak acid 
B) strong acid

Question 6

Which of the following acids is a strong acid?

Accepted Answer

A)  acetic acid 
B)  hydrofluoric acid 
C)  phosphoric acid 
D)  hydrochloric acid 
A)  acetic acid 
B)  hydrofluoric acid 
C)  phosphoric acid 
D)  hydrochloric acid

Question 7

An aqueous solution of pOH 5 is more basic than an aqueous solution of pOH 8.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following acids is a triprotic acid when dissolved in water?

Accepted Answer

A)  hydrobromic acid 
B)  sulfuric acid 
C)  hypochlorous acid 
D)  phosphoric acid 
A)  hydrobromic acid 
B)  sulfuric acid 
C)  hypochlorous acid 
D)  phosphoric acid

Question 9

Which solution is the most acidic solution?

Accepted Answer

A)  a solution whose [H+] = 10-1 
B)  a solution whose [OH-] = 10-10 
C)  a solution whose pH = 0 
D)  All of the above have the same degree of acidity. 
A)  a solution whose [H+] = 10-1 
B)  a solution whose [OH-] = 10-10 
C)  a solution whose pH = 0 
D)  All of the above have the same degree of acidity.

Question 10

Identify each [H?O+] / [OH-] / pH / pOH  as acidic or basic.
-[OH-] = 1.2 × 10-4

Accepted Answer

A) Basic 
B) Acidic 
A) Basic 
B) Acidic

Question 11

"Buffered" solutions are resistant to pH changes, even when small amounts of strong acid or base are added to them.

Accepted Answer

A) True 
 B)False

Question 12

A change in pH from 10 to 7 ________.

Accepted Answer

A)  increases the acidity 1000× 
B)  reduces the acidity 3000× 
C)  increases the acidity 3× 
D)  increases the acidity 3000× 
A)  increases the acidity 1000× 
B)  reduces the acidity 3000× 
C)  increases the acidity 3× 
D)  increases the acidity 3000×

Question 13

Identify each of the acids as a strong acid or a weak acid.
-carbonic acid

Accepted Answer

A) weak acid 
B) strong acid 
A) weak acid 
B) strong acid

Question 14

What is the hydroxide-ion concentration of an aqueous solution having a hydrogen-ion concentration of 4.75 × 10-5 mol/L?

Accepted Answer

A)  2.10 ×  10-10 mol/L 
B)  5.25 × 10-10 mol/L 
C)  4.75 × 10-5  mol/L 
D)  -4.75 × 10-5 mol/L 
A)  2.10 ×  10-10 mol/L 
B)  5.25 × 10-10 mol/L 
C)  4.75 × 10-5  mol/L 
D)  -4.75 × 10-5 mol/L

Question 15

The conjugate base of HCO₃- is ________.

Accepted Answer

A)  H₂CO₃ 
B)  CO₃2- 
C)  CO₂2- 
D)  H₃CO₃+ 
A)  H₂CO₃ 
B)  CO₃2- 
C)  CO₂2- 
D)  H₃CO₃+

Question 16

When hydrofluoric acid is dissolved in water, the ionized species are ________.

Accepted Answer

A)  H₃O+ and OH- 
B)  H₂F- and H₃O+ 
C)  H₃O+ and F- 
D)  H₂F+ and OH- 
A)  H₃O+ and OH- 
B)  H₂F- and H₃O+ 
C)  H₃O+ and F- 
D)  H₂F+ and OH-

Question 17

The compound HA is an acid that is soluble in water. Which of the "beakers" below shows HA behaving as a strong acid in water?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 18

Match each of the acids with the maximum number of H?O+ produced per molecule of acid.
-nitric acid

Accepted Answer

A) 3 
B) 1 
C) 2 
A) 3 
B) 1 
C) 2

Question 19

In a solution of a strong monoprotic acid in water, the hydrogen-ion concentration is approximately equal to the molarity of the acid.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following acids does not produce more than one H₃O+ ion per molecule of acid when dissociated in water?

Accepted Answer

A)  carbonic acid 
B)  sulfurous acid 
C)  phosphoric acid 
D)  acetic acid 
A)  carbonic acid 
B)  sulfurous acid 
C)  phosphoric acid 
D)  acetic acid

Identify each [H?O+] / [OH-] / pH / pOH as acidic or basic. -[H?O+] = 1.2 × 10^-9

Identify the household products as acidic or basic. -Milk

Identify the household products as acidic or basic. -Natural rainwater

Identify each of the substances as an electrolyte or non-electrolyte. -pure water

Identify each of the acids as a strong acid or a weak acid. -hypochlorous acid

Which of the following acids is a strong acid?

An aqueous solution of pOH 5 is more basic than an aqueous solution of pOH 8.

Which of the following acids is a triprotic acid when dissolved in water?

Which solution is the most acidic solution?

Identify each [H?O+] / [OH-] / pH / pOH as acidic or basic. -[OH-] = 1.2 × 10^-4

"Buffered" solutions are resistant to pH changes, even when small amounts of strong acid or base are added to them.

A change in pH from 10 to 7 ________.

Identify each of the acids as a strong acid or a weak acid. -carbonic acid

What is the hydroxide-ion concentration of an aqueous solution having a hydrogen-ion concentration of 4.75 × 10^-5 mol/L?

The conjugate base of HCO₃- is ________.

When hydrofluoric acid is dissolved in water, the ionized species are ________.

The compound HA is an acid that is soluble in water. Which of the "beakers" below shows HA behaving as a strong acid in water?

Match each of the acids with the maximum number of H?O+ produced per molecule of acid. -nitric acid

In a solution of a strong monoprotic acid in water, the hydrogen-ion concentration is approximately equal to the molarity of the acid.

Which of the following acids does not produce more than one H₃O+ ion per molecule of acid when dissociated in water?

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Exam 15: Electrolytes, Acids, and Bases

Identify each [H?O+] / [OH-] / pH / pOH as acidic or basic. -[H?O+] = 1.2 × 10-9

Identify the household products as acidic or basic. -Milk

Identify the household products as acidic or basic. -Natural rainwater

Identify each of the substances as an electrolyte or non-electrolyte. -pure water

Identify each of the acids as a strong acid or a weak acid. -hypochlorous acid

Which of the following acids is a strong acid?

An aqueous solution of pOH 5 is more basic than an aqueous solution of pOH 8.

Which of the following acids is a triprotic acid when dissolved in water?

Which solution is the most acidic solution?

Identify each [H?O+] / [OH-] / pH / pOH as acidic or basic. -[OH-] = 1.2 × 10-4

"Buffered" solutions are resistant to pH changes, even when small amounts of strong acid or base are added to them.

A change in pH from 10 to 7 ________.

Identify each of the acids as a strong acid or a weak acid. -carbonic acid

What is the hydroxide-ion concentration of an aqueous solution having a hydrogen-ion concentration of 4.75 × 10-5 mol/L?

The conjugate base of HCO₃- is ________.

When hydrofluoric acid is dissolved in water, the ionized species are ________.

The compound HA is an acid that is soluble in water. Which of the "beakers" below shows HA behaving as a strong acid in water?

Match each of the acids with the maximum number of H?O+ produced per molecule of acid. -nitric acid

In a solution of a strong monoprotic acid in water, the hydrogen-ion concentration is approximately equal to the molarity of the acid.

Which of the following acids does not produce more than one H₃O+ ion per molecule of acid when dissociated in water?

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Identify each [H?O+] / [OH-] / pH / pOH as acidic or basic. -[H?O+] = 1.2 × 10^-9

Identify each [H?O+] / [OH-] / pH / pOH as acidic or basic. -[OH-] = 1.2 × 10^-4

What is the hydroxide-ion concentration of an aqueous solution having a hydrogen-ion concentration of 4.75 × 10^-5 mol/L?