Question 1

The name of Al(OH)3 is

Accepted Answer

A) aluminum trihydroxide. 
B) monoaluminum trihydroxide. 
C) aluminum hydroxide. 
D) aluminum(III)hydroxide. 
E) aluminum oxygen hydride. 
A) aluminum trihydroxide. 
B) monoaluminum trihydroxide. 
C) aluminum hydroxide. 
D) aluminum(III)hydroxide. 
E) aluminum oxygen hydride.

Question 2

The function of a buffer is to

Accepted Answer

A) change color at the end point of a titration. 
B) maintain the pH of a solution. 
C) be a strong base. 
D) maintain a neutral pH. 
E) act as a strong acid. 
A) change color at the end point of a titration. 
B) maintain the pH of a solution. 
C) be a strong base. 
D) maintain a neutral pH. 
E) act as a strong acid.

Question 3

The name of HCl is________.

Accepted Answer

The answer of The name of HCl is________....

Question 4

When hyperventilation (rapid breathing) causes a patient to exhale large amounts of CO2, the blood pH rises in a condition called

Accepted Answer

A) metabolic acidosis. 
B) metabolic alkalosis. 
C) respiratory acidosis. 
D) respiratory alkalosis. 
E) pulmonary distress. 
A) metabolic acidosis. 
B) metabolic alkalosis. 
C) respiratory acidosis. 
D) respiratory alkalosis. 
E) pulmonary distress.

Question 5

The name given to an aqueous solution of HBr is

Accepted Answer

A) hydrogen bromide. 
B) hydrobromic acid. 
C) bromic acid. 
D) bromous acid. 
E) hypobromous acid. 
A) hydrogen bromide. 
B) hydrobromic acid. 
C) bromic acid. 
D) bromous acid. 
E) hypobromous acid.

Question 6

The stronger the acid, the ________ the conjugate base.

Accepted Answer

A) stronger 
B) weaker 
A) stronger 
B) weaker

Question 7

Which one of the following is characteristic of a base?

Accepted Answer

A) produces H₃O+ in water 
B) has a sour taste 
C) has a slippery, soapy feel 
D) turns blue litmus red 
E) is insoluble in water 
A) produces H₃O+ in water 
B) has a sour taste 
C) has a slippery, soapy feel 
D) turns blue litmus red 
E) is insoluble in water

Question 8

In a buffer system of HF and its salt, NaF,

Accepted Answer

A) the HF neutralizes added acid. 
B) the HF neutralizes added base. 
C) the HF is not necessary. 
D) the F- neutralizes added H2O. 
E) the F- neutralizes added base. 
A) the HF neutralizes added acid. 
B) the HF neutralizes added base. 
C) the HF is not necessary. 
D) the F- neutralizes added H2O. 
E) the F- neutralizes added base.

Question 9

What is the pH of a solution with [ H₃O+] = 1 × 10-9 M?

Accepted Answer

A) 1.0 × 10-5 M 
B) -9.0 
C) 5.0 
D) -5.0 
E) 9.0 
A) 1.0 × 10-5 M 
B) -9.0 
C) 5.0 
D) -5.0 
E) 9.0

Question 10

Identify the Brønsted-Lowry acids in the following reaction. 
H2O + CO32- → HCO3- + OH-

Accepted Answer

A) H2O/HCO₃- 
B) CO32-/HCO3- 
C) OH-/HCO3- 
D) CO32-/OH- 
E) H2CO3/H2O 
A) H2O/HCO₃- 
B) CO32-/HCO3- 
C) OH-/HCO3- 
D) CO32-/OH- 
E) H2CO3/H2O

Question 11

Which of the following is the strongest acid?

Accepted Answer

A) HF (Ka for HF is 7.2 × 10-4) 
B) HCN (Ka for HCN is 4.9 × 10-10) 
C) HCNO (Ka for HCNO is 2 × 10-4) 
D) H₃BO₃(Ka for H3BO3Is 5.4 × 10-10) 
A) HF (Ka for HF is 7.2 × 10-4) 
B) HCN (Ka for HCN is 4.9 × 10-10) 
C) HCNO (Ka for HCNO is 2 × 10-4) 
D) H₃BO₃(Ka for H3BO3Is 5.4 × 10-10)

Question 12

In a neutralization reaction, how many moles of HClO₄ react with 1 mole of Al(OH)3?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Question 13

A 25.0 mL sample of H₃ PO₄ requires 50.0 mL of 1.50 M NaOH for complete neutralization. What is the molarity of the acid?
 H₃ PO₄ + 3NaOH →Na3PO₄ + 3H2O

Accepted Answer

A) 0.333 M 
B) 3.00 M 
C) 1.50 M 
D) 1.00 M 
E) 0.750 M 
A) 0.333 M 
B) 3.00 M 
C) 1.50 M 
D) 1.00 M 
E) 0.750 M

Question 14

Predict whether the equilibrium of the following reaction favors reactants or products: 
NH₄ + + H2O ⇌ NH3 + H3O+

Accepted Answer

A) Reactants are favored. 
B) Products are favored. 
C) Neither side is favored. 
A) Reactants are favored. 
B) Products are favored. 
C) Neither side is favored.

Question 15

A solution with a pH of 4.0 is more acidic than a solution with a pH of 6.0.

Accepted Answer

A) True 
 B)False

Question 16

What is the pH of a solution with [OH-] = 2.0 × 10-10 M?

Accepted Answer

A) 9.70 
B) -9.70 
C) 4.30 
D) -4.30 
E) 2.0 × 10-10 
A) 9.70 
B) -9.70 
C) 4.30 
D) -4.30 
E) 2.0 × 10-10

Question 17

A student had 25.0 mL of 0.100 M H2SO₄ solution. How many mL of a 0.100 M NaOH solution will the sulfuric acid neutralize?

Accepted Answer

The answer of A student had 25.0 mL of 0.100...

Question 18

A solution with a pH of 4 is

Accepted Answer

A) extremely acidic. 
B) moderately acidic. 
C) neutral. 
D) slightly basic. 
E) extremely basic. 
A) extremely acidic. 
B) moderately acidic. 
C) neutral. 
D) slightly basic. 
E) extremely basic.

Question 19

A solution which has [ H₃ O+] = 6.7 × 10-8 M is

Accepted Answer

A) acidic. 
B) basic. 
C) neutral. 
A) acidic. 
B) basic. 
C) neutral.

Question 20

For Kw, the product of [ H₃ O+] and [OH-] is

Accepted Answer

A) 1.0 × 10-14. 
B) 1.0 × 10-7. 
C) 1.0 × 10-1. 
D) 1.0. 
E) 1.0 × 1014. 
A) 1.0 × 10-14. 
B) 1.0 × 10-7. 
C) 1.0 × 10-1. 
D) 1.0. 
E) 1.0 × 1014.

Exam 11: Acids and Bases

The name of Al(OH)3 is

The function of a buffer is to

The name of HCl is________.

When hyperventilation (rapid breathing) causes a patient to exhale large amounts of CO2, the blood pH rises in a condition called

The name given to an aqueous solution of HBr is

The stronger the acid, the ________ the conjugate base.

Which one of the following is characteristic of a base?

In a buffer system of HF and its salt, NaF,

What is the pH of a solution with [ H₃O+] = 1 × 10-9 M?

Identify the Brønsted-Lowry acids in the following reaction. H2O + CO32- → HCO3- + OH-

Which of the following is the strongest acid?

In a neutralization reaction, how many moles of HClO₄ react with 1 mole of Al(OH)3?

A 25.0 mL sample of H₃ PO₄ requires 50.0 mL of 1.50 M NaOH for complete neutralization. What is the molarity of the acid? H₃ PO₄ + 3NaOH →Na3PO₄ + 3H2O

Predict whether the equilibrium of the following reaction favors reactants or products: NH₄ + + H2O ⇌ NH3 + H3O+

A solution with a pH of 4.0 is more acidic than a solution with a pH of 6.0.

What is the pH of a solution with [OH-] = 2.0 × 10-10 M?

A student had 25.0 mL of 0.100 M H2SO₄ solution. How many mL of a 0.100 M NaOH solution will the sulfuric acid neutralize?

A solution with a pH of 4 is

A solution which has [ H₃ O+] = 6.7 × 10-8 M is

For Kw, the product of [ H₃ O+] and [OH-] is

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When hyperventilation (rapid breathing) causes a patient to exhale large amounts of CO₂, the blood pH rises in a condition called

What is the pH of a solution with [ H₃O+] = 1 × 10^-9M?

Identify the Brønsted-Lowry acids in the following reaction. H2O + CO₃^2- → HCO₃- + OH-

Predict whether the equilibrium of the following reaction favors reactants or products: NH₄ + + H₂O ⇌ NH₃ + H₃O+

What is the pH of a solution with [OH-] = 2.0 × 10^-10M?