Question 1

What is TRUE about a solution whose pH is less than 7?

Accepted Answer

A) It has a hydronium ion concentration less than 1 × 10−7. 
B) It has a hydronium ion concentration that is higher than pure water itself. 
C) It has a hydroxide ion concentration equal to its hydronium ion concentration. 
D) It is a solution that requires a buffer. 
E) It is a basic solution. 
A) It has a hydronium ion concentration less than 1 × 10−7. 
B) It has a hydronium ion concentration that is higher than pure water itself. 
C) It has a hydroxide ion concentration equal to its hydronium ion concentration. 
D) It is a solution that requires a buffer. 
E) It is a basic solution.

Question 2

All Brønsted-Lowry acids contain at least one hydrogen atom.

Accepted Answer

A) True 
 B)False

Question 3

What is the hydronium ion concentration of pure water at 25°C?

Accepted Answer

A) 7.0 × 107 M 
B) 7.0 × 10−7 M 
C) 1.0 × 107 M 
D) 1.0 × 10−7 M 
E) 1.0 × 10−14 M 
A) 7.0 × 107 M 
B) 7.0 × 10−7 M 
C) 1.0 × 107 M 
D) 1.0 × 10−7 M 
E) 1.0 × 10−14 M

Question 4

The reaction of an acid with a base produces a salt and another product.What is the identity of the other product?

Accepted Answer

A) hydronium ion 
B) water 
C) a buffer 
D) a proton 
E) hydroxide ion 
A) hydronium ion 
B) water 
C) a buffer 
D) a proton 
E) hydroxide ion

Question 5

Titration of 15.0 mL of an NaOH solution required 7.4 mL of a 0.25 M KNO3 solution.What is the molarity of the NaOH solution?

Accepted Answer

A) 0.25 M 
B) 0.017 M 
C) 0.12 M 
D) 0.44 M 
E) 0.0019 M 
A) 0.25 M 
B) 0.017 M 
C) 0.12 M 
D) 0.44 M 
E) 0.0019 M

Question 6

A hydronium ion is a protonated water molecule.

Accepted Answer

A) True 
 B)False

Question 7

The combination of a weak acid and a strong acid form a buffer solution.

Accepted Answer

A) True 
 B)False

What is TRUE about a solution whose pH is less than 7?

All Brønsted-Lowry acids contain at least one hydrogen atom.

What is the hydronium ion concentration of pure water at 25°C?

The reaction of an acid with a base produces a salt and another product.What is the identity of the other product?

Titration of 15.0 mL of an NaOH solution required 7.4 mL of a 0.25 M KNO₃ solution.What is the molarity of the NaOH solution?

A hydronium ion is a protonated water molecule.

The combination of a weak acid and a strong acid form a buffer solution.

Chemistry - Methods and Measurement

The Structure of the Atom and the Periodic Table

Structure and Properties of Ionic and Covalent Compounds

Calculations, chemical Changes, and the Chemical Equation

States of Matter: Gases, liquids, and Solids

Solutions

Energy,rate and Equilibrium

The Nucleus, radioactivity, and Nuclear Medicine

An Introduction to Organic Chemistry

The Unsaturated Hydrocarbons: Alkenes, alkynes, and Aromatics

Alcohols, phenols, thiols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Carboxylic Acid Derivatives

Amines and Amides

Carbohydrates

Lipids and Their Functions in Biochemical Systems

Protein Structure and Function

Enzymes

Introduction to Molecular Genetics

Carbohydrate Metabolism

Aerobic Respiration and Energy Production

Fatty Acid Metabolism

Filters

Exam 8: Acids and Bases

What is TRUE about a solution whose pH is less than 7?

All Brønsted-Lowry acids contain at least one hydrogen atom.

What is the hydronium ion concentration of pure water at 25°C?

The reaction of an acid with a base produces a salt and another product.What is the identity of the other product?

Titration of 15.0 mL of an NaOH solution required 7.4 mL of a 0.25 M KNO3 solution.What is the molarity of the NaOH solution?

A hydronium ion is a protonated water molecule.

The combination of a weak acid and a strong acid form a buffer solution.

Chemistry - Methods and Measurement

The Structure of the Atom and the Periodic Table

Structure and Properties of Ionic and Covalent Compounds

Calculations, chemical Changes, and the Chemical Equation

States of Matter: Gases, liquids, and Solids

Solutions

Energy,rate and Equilibrium

The Nucleus, radioactivity, and Nuclear Medicine

An Introduction to Organic Chemistry

The Unsaturated Hydrocarbons: Alkenes, alkynes, and Aromatics

Alcohols, phenols, thiols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Carboxylic Acid Derivatives

Amines and Amides

Carbohydrates

Lipids and Their Functions in Biochemical Systems

Protein Structure and Function

Enzymes

Introduction to Molecular Genetics

Carbohydrate Metabolism

Aerobic Respiration and Energy Production

Fatty Acid Metabolism

Filters

Titration of 15.0 mL of an NaOH solution required 7.4 mL of a 0.25 M KNO₃ solution.What is the molarity of the NaOH solution?