Question 1

The heavier the solute molecule is, the greater its effect on the freezing point depression of a solution.

Accepted Answer

A) True 
 B)False

Question 2

A student needs to prepare 250.0 mL of a 2.50 M HCl solution using the stock solution 12.0 M HCl.What volume of 12.0 M HCl is required for this dilution?

Accepted Answer

A) 12.0 mL 
B) 25.0 mL 
C) 52.1 mL 
D) 5.21 mL 
E) 2.50 mL 
A) 12.0 mL 
B) 25.0 mL 
C) 52.1 mL 
D) 5.21 mL 
E) 2.50 mL

Question 3

A chemist needs 0.725 moles of acetic acid for a particular reaction.What volume of a 1.50 M acetic acid solution is needed to provide this amount?

Accepted Answer

A) 967 mL 
B) 1.09 L 
C) 0.967 L 
D) 0.483 L 
E) 1.09 mL 
A) 967 mL 
B) 1.09 L 
C) 0.967 L 
D) 0.483 L 
E) 1.09 mL

Question 4

How many moles of KCl are present in 50.0 mL of a 0.552 M solution?

Accepted Answer

A) 0.0276 mol 
B) 0.0906 mol 
C) 11.0 mol 
D) 35.2 mol 
E) 50.6 mol 
A) 0.0276 mol 
B) 0.0906 mol 
C) 11.0 mol 
D) 35.2 mol 
E) 50.6 mol

Question 5

Which statement is FALSE?

Accepted Answer

A) Water-soluble ionic compounds are electrolytes. 
B) NaCl is an electrolyte. 
C) Nonelectrolytes do not dissociate when dissolved in water. 
D) Ionic compounds are typically insoluble in water. 
E) When KI dissolves in water, the solution conducts electricity. 
A) Water-soluble ionic compounds are electrolytes. 
B) NaCl is an electrolyte. 
C) Nonelectrolytes do not dissociate when dissolved in water. 
D) Ionic compounds are typically insoluble in water. 
E) When KI dissolves in water, the solution conducts electricity.

Question 6

What type of membrane allows solvent molecules to pass through but does not allow solute molecules to pass through?

Accepted Answer

A) transport 
B) colloidal 
C) transparent 
D) semipermeable 
E) filtering 
A) transport 
B) colloidal 
C) transparent 
D) semipermeable 
E) filtering

Question 7

What type of liquid displays the Tyndall effect?

Accepted Answer

A) homogeneous mixture 
B) heterogeneous mixture 
C) solution 
D) colloidal suspension 
E) pure substance 
A) homogeneous mixture 
B) heterogeneous mixture 
C) solution 
D) colloidal suspension 
E) pure substance

The heavier the solute molecule is, the greater its effect on the freezing point depression of a solution.

A student needs to prepare 250.0 mL of a 2.50 M HCl solution using the stock solution 12.0 M HCl.What volume of 12.0 M HCl is required for this dilution?

A chemist needs 0.725 moles of acetic acid for a particular reaction.What volume of a 1.50 M acetic acid solution is needed to provide this amount?

How many moles of KCl are present in 50.0 mL of a 0.552 M solution?

Which statement is FALSE?

What type of membrane allows solvent molecules to pass through but does not allow solute molecules to pass through?

What type of liquid displays the Tyndall effect?

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

Energy, Rate and Equilibrium

Acids and Bases

The Nucleus, Radioactivity, and Nuclear Medicine

An Introduction to Organic Chemistry- the Saturated Hydrocarbons

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 6: Solutions

The heavier the solute molecule is, the greater its effect on the freezing point depression of a solution.

A student needs to prepare 250.0 mL of a 2.50 M HCl solution using the stock solution 12.0 M HCl.What volume of 12.0 M HCl is required for this dilution?

A chemist needs 0.725 moles of acetic acid for a particular reaction.What volume of a 1.50 M acetic acid solution is needed to provide this amount?

How many moles of KCl are present in 50.0 mL of a 0.552 M solution?

Which statement is FALSE?

What type of membrane allows solvent molecules to pass through but does not allow solute molecules to pass through?

What type of liquid displays the Tyndall effect?

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

Energy, Rate and Equilibrium

Acids and Bases

The Nucleus, Radioactivity, and Nuclear Medicine

An Introduction to Organic Chemistry- the Saturated Hydrocarbons

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