Question 1

Which is the pH of a solution in which the concentration of hydrogen ion is equal to the concentration of hydroxide ion?

Accepted Answer

A) 7 
B) 9 
C) 12 
D) 4 
A) 7 
B) 9 
C) 12 
D) 4

Question 2

Which are the two Bronsted-Lowry acids in the following equation? NH3 + H2O   NH4 +1 + OH -1

Accepted Answer

A) NH3 and H2O 
B) NH3 and NH4 +1 
C) NH3 and OH -1 
D) NH4 +1 and H2O 
A) NH3 and H2O 
B) NH3 and NH4 +1 
C) NH3 and OH -1 
D) NH4 +1 and H2O

Question 3

What is the net ionic equation when hydrobromic acid reacts with potassium hydroxide?

Accepted Answer

A) H +1 + OH -1 $\rarr$ H2O 
B) H +1 + Br--1 $\rarr$ HBr 
C) K +1 + OH -1 $\rarr$ KOH 
D) K +1 + H-1$\rarr$ KH 
A) H +1 + OH -1 $\rarr$ H2O 
B) H +1 + Br--1 $\rarr$ HBr 
C) K +1 + OH -1 $\rarr$ KOH 
D) K +1 + H-1$\rarr$ KH

Question 4

What is the conjugate base of HS -1?

Accepted Answer

A) H2S 
B) S -2 
C) H +1 
D) OH -1 
A) H2S 
B) S -2 
C) H +1 
D) OH -1

Question 5

What mass of ethanol,C2H5OH,should be added to 200.0 g of water in order to increase its boiling point to 102.5°C? The Kb for water is 0.512°C/m.Consider if the solute is an electrolyte or a nonelectrolyte.

Accepted Answer

A) 4.9 g 
B) 0.98 g 
C) 45 g 
D) 90.g 
A) 4.9 g 
B) 0.98 g 
C) 45 g 
D) 90.g

Question 6

A 20.0 mL sample of nitric acid is titrated to a neutral end point by the addition of 3.60 mL of a 0.80 M solution of barium hydroxide.
A.Write a balanced formula equation for this reaction.
B.What is the molarity of the nitric acid solution in this question?

Accepted Answer

A.2 HNO₃ + Ba(OH)

Question 7

Acids react with carbonates to produce the gas

Accepted Answer

A) hydrogen. 
B) carbon dioxide. 
C) nitrogen. 
D) oxygen. 
A) hydrogen. 
B) carbon dioxide. 
C) nitrogen. 
D) oxygen.

Question 8

Arrhenius defined a base as a substance whose aqueous solution contains an excess of

Accepted Answer

A) sodium ion. 
B) hydroxide ion. 
C) chloride ion. 
D) hydrogen ion. 
A) sodium ion. 
B) hydroxide ion. 
C) chloride ion. 
D) hydrogen ion.

Question 9

What is the boiling point of a 2.0 m aqueous solution of sodium chloride? (The boiling point elevation constant for water is 0.512 °C/m. )

Accepted Answer

A) 101.02 °C 
B) 1.02 °C 
C) 2.05 °C 
D) 102.05 °C 
A) 101.02 °C 
B) 1.02 °C 
C) 2.05 °C 
D) 102.05 °C

Question 10

What is the concentration of a HCl solution if 20.0 mL of the solution is neutralized by 15.0 mL of a 0.10 M Ca(OH)2 solution?

Accepted Answer

A) 0.075 M 
B) 0.038 M 
C) 0.15 M 
D) 0.13 M 
A) 0.075 M 
B) 0.038 M 
C) 0.15 M 
D) 0.13 M

Question 11

Combining sodium hydroxide and hydrochloric acid will produce water and

Accepted Answer

A) sodium chloride. 
B) sodium chlorite. 
C) sodium chlorate. 
D) sodium hypochlorite. 
A) sodium chloride. 
B) sodium chlorite. 
C) sodium chlorate. 
D) sodium hypochlorite.

Question 12

Which is the hydroxide ion?

Accepted Answer

A) H +1 
B) H3O +1 
C) OH -1 
D) OH2 -1 
A) H +1 
B) H3O +1 
C) OH -1 
D) OH2 -1

Question 13

What is the concentration of a H2SO4 solution if 10.0 mL of the solution is neutralized by 7.8 mL of a 0.20 M NaOH solution?

Accepted Answer

A) 0.0026 M 
B) 0.078 M 
C) 0.156 M 
D) 0.31 M 
A) 0.0026 M 
B) 0.078 M 
C) 0.156 M 
D) 0.31 M

Question 14

Bronsted and Lowry defined a base 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 15

A 50.0 mL aliquot of a 1.0 M aqueous nitric acid solution is added to a solution prepared from 0.50 g of sodium hydroxide dissolved in enough water to make 500.0 mL of solution.Will the resulting solution be acidic or basic? Support your answer by showing theappropriate calculations.

Accepted Answer

The solution will be basic.The

Question 16

An electrolyte is a substance whose aqueous solution conducts an electric current.

Accepted Answer

A) True 
 B)False

Question 17

A solution of an acid,with a general formula HA,contains 0.400 moles of H +1.The acid solution is neutralized by 43.4 mL
of sodium hydroxide.What is the molarity of the sodium hydroxide solution?

Accepted Answer

Question 18

Which is a strong electrolyte?

Accepted Answer

A) methanol,CH3OH 
B) water 
C) hydrosulfuric acid 
D) hydrochloric acid 
A) methanol,CH3OH 
B) water 
C) hydrosulfuric acid 
D) hydrochloric acid

Question 19

Arrhenius defined an acid as a substance whose aqueous solution contains an excess of

Accepted Answer

A) sodium ion. 
B) hydroxide ion. 
C) chloride ion. 
D) hydrogen ion. 
A) sodium ion. 
B) hydroxide ion. 
C) chloride ion. 
D) hydrogen ion.

Question 20

A solution of a strong acid has a pH of 3.The concentration of hydronium ions in this solution is

Accepted Answer

A) 0.001 M 
B) 3 M 
C) 0.3 M. 
D) 0.003 M 
A) 0.001 M 
B) 3 M 
C) 0.3 M. 
D) 0.003 M

Which is the pH of a solution in which the concentration of hydrogen ion is equal to the concentration of hydroxide ion?

Which are the two Bronsted-Lowry acids in the following equation? NH₃ + H₂O NH₄⁺¹ + OH^-1

What is the net ionic equation when hydrobromic acid reacts with potassium hydroxide?

What is the conjugate base of HS^-1?

What mass of ethanol,C₂H₅OH,should be added to 200.0 g of water in order to increase its boiling point to 102.5°C? The K_b for water is 0.512°C/m.Consider if the solute is an electrolyte or a nonelectrolyte.

A 20.0 mL sample of nitric acid is titrated to a neutral end point by the addition of 3.60 mL of a 0.80 M solution of barium hydroxide. A.Write a balanced formula equation for this reaction. B.What is the molarity of the nitric acid solution in this question?

Acids react with carbonates to produce the gas

Arrhenius defined a base as a substance whose aqueous solution contains an excess of

What is the boiling point of a 2.0 m aqueous solution of sodium chloride? (The boiling point elevation constant for water is 0.512 ^°C/m. )

What is the concentration of a HCl solution if 20.0 mL of the solution is neutralized by 15.0 mL of a 0.10 M Ca(OH)₂ solution?

Combining sodium hydroxide and hydrochloric acid will produce water and

Which is the hydroxide ion?

What is the concentration of a H₂SO₄ solution if 10.0 mL of the solution is neutralized by 7.8 mL of a 0.20 M NaOH solution?

Bronsted and Lowry defined a base as a(n)

A 50.0 mL aliquot of a 1.0 M aqueous nitric acid solution is added to a solution prepared from 0.50 g of sodium hydroxide dissolved in enough water to make 500.0 mL of solution.Will the resulting solution be acidic or basic? Support your answer by showing theappropriate calculations.

An electrolyte is a substance whose aqueous solution conducts an electric current.

A solution of an acid,with a general formula HA,contains 0.400 moles of H⁺¹.The acid solution is neutralized by 43.4 mL of sodium hydroxide.What is the molarity of the sodium hydroxide solution?

Which is a strong electrolyte?

Arrhenius defined an acid as a substance whose aqueous solution contains an excess of

A solution of a strong acid has a pH of 3.The concentration of hydronium ions in this solution is

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Exam 15: Acids, Bases, and Salts

Which is the pH of a solution in which the concentration of hydrogen ion is equal to the concentration of hydroxide ion?

Which are the two Bronsted-Lowry acids in the following equation? NH3 + H2O NH4 +1 + OH -1

What is the net ionic equation when hydrobromic acid reacts with potassium hydroxide?

What is the conjugate base of HS -1?

What mass of ethanol,C2H5OH,should be added to 200.0 g of water in order to increase its boiling point to 102.5°C? The Kb for water is 0.512°C/m.Consider if the solute is an electrolyte or a nonelectrolyte.

A 20.0 mL sample of nitric acid is titrated to a neutral end point by the addition of 3.60 mL of a 0.80 M solution of barium hydroxide. A.Write a balanced formula equation for this reaction. B.What is the molarity of the nitric acid solution in this question?

Acids react with carbonates to produce the gas

Arrhenius defined a base as a substance whose aqueous solution contains an excess of

What is the boiling point of a 2.0 m aqueous solution of sodium chloride? (The boiling point elevation constant for water is 0.512 °C/m. )

What is the concentration of a HCl solution if 20.0 mL of the solution is neutralized by 15.0 mL of a 0.10 M Ca(OH)2 solution?

Combining sodium hydroxide and hydrochloric acid will produce water and

Which is the hydroxide ion?

What is the concentration of a H2SO4 solution if 10.0 mL of the solution is neutralized by 7.8 mL of a 0.20 M NaOH solution?

Bronsted and Lowry defined a base as a(n)

A 50.0 mL aliquot of a 1.0 M aqueous nitric acid solution is added to a solution prepared from 0.50 g of sodium hydroxide dissolved in enough water to make 500.0 mL of solution.Will the resulting solution be acidic or basic? Support your answer by showing theappropriate calculations.

An electrolyte is a substance whose aqueous solution conducts an electric current.

A solution of an acid,with a general formula HA,contains 0.400 moles of H +1.The acid solution is neutralized by 43.4 mL of sodium hydroxide.What is the molarity of the sodium hydroxide solution?

Which is a strong electrolyte?

Arrhenius defined an acid as a substance whose aqueous solution contains an excess of

A solution of a strong acid has a pH of 3.The concentration of hydronium ions in this solution is

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

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Which are the two Bronsted-Lowry acids in the following equation? NH₃ + H₂O NH₄⁺¹ + OH^-1

What is the conjugate base of HS^-1?

What mass of ethanol,C₂H₅OH,should be added to 200.0 g of water in order to increase its boiling point to 102.5°C? The K_b for water is 0.512°C/m.Consider if the solute is an electrolyte or a nonelectrolyte.

What is the boiling point of a 2.0 m aqueous solution of sodium chloride? (The boiling point elevation constant for water is 0.512 ^°C/m. )

What is the concentration of a HCl solution if 20.0 mL of the solution is neutralized by 15.0 mL of a 0.10 M Ca(OH)₂ solution?

What is the concentration of a H₂SO₄ solution if 10.0 mL of the solution is neutralized by 7.8 mL of a 0.20 M NaOH solution?

A solution of an acid,with a general formula HA,contains 0.400 moles of H⁺¹.The acid solution is neutralized by 43.4 mL of sodium hydroxide.What is the molarity of the sodium hydroxide solution?