Question 1

A solution is prepared by dissolving 2 g of KCl in 100 g of H2O. In this solution, H2O is the

Accepted Answer

A) solute. 
B) solvent. 
C) solution. 
D) solid. 
E) ionic compound. 
A) solute. 
B) solvent. 
C) solution. 
D) solid. 
E) ionic compound.

Question 2

The mass/volume percent concentration refers to

Accepted Answer

A) grams of solute in 1 L of solvent. 
B) grams of solute in 1 L of solution. 
C) grams of solute in 100 mL of solvent. 
D) grams of solute in 100 mL of solution. 
E) grams of solvent in 100 mL of solution. 
A) grams of solute in 1 L of solvent. 
B) grams of solute in 1 L of solution. 
C) grams of solute in 100 mL of solvent. 
D) grams of solute in 100 mL of solution. 
E) grams of solvent in 100 mL of solution.

Question 3

An intravenous replacement solution contains 4.0 mEq/L of Ca2+ ions. How many grams of Ca2+ are in 3.0 L of the solution?

Accepted Answer

A) 0.24 g 
B) 0.80 g 
C) 0.40 g 
D) 240 g 
E) 4.0 g 
A) 0.24 g 
B) 0.80 g 
C) 0.40 g 
D) 240 g 
E) 4.0 g

Question 4

For the question(s) that follow, consider a 4% starch solution and a 10% starch solution separated by a semipermeable membrane.
-Which of the following occurs in this system?

Accepted Answer

A) Water flows equally in both directions. 
B) There is a net flow of water from the 4% starch solution into the 10% starch solution. 
C) There is a net flow of water from the 10% starch solution into the 4% starch solution. 
D) Water does not cross the membrane at all. 
E) Starch moves out of the 10% starch solution into the 4% starch solution. 
A) Water flows equally in both directions. 
B) There is a net flow of water from the 4% starch solution into the 10% starch solution. 
C) There is a net flow of water from the 10% starch solution into the 4% starch solution. 
D) Water does not cross the membrane at all. 
E) Starch moves out of the 10% starch solution into the 4% starch solution.

Question 5

In water, a substance that ionizes completely in solution is called a

Accepted Answer

A) weak electrolyte. 
B) nonelectrolyte. 
C) semiconductor. 
D) nonconductor. 
E) strong electrolyte. 
A) weak electrolyte. 
B) nonelectrolyte. 
C) semiconductor. 
D) nonconductor. 
E) strong electrolyte.

Question 6

An equivalent is

Accepted Answer

A) the amount of ion that has a 1+ charge. 
B) the amount of ion that has a 1- charge. 
C) the amount of ion that carries 1 mole of electrical charge. 
D) 1 mole of any ion. 
E) 1 mole of an ionic compound. 
A) the amount of ion that has a 1+ charge. 
B) the amount of ion that has a 1- charge. 
C) the amount of ion that carries 1 mole of electrical charge. 
D) 1 mole of any ion. 
E) 1 mole of an ionic compound.

Question 7

According to Henry's law, the solubility of a gas in a liquid

Accepted Answer

A) decreases as the gas pressure above the liquid increases. 
B) increases as the gas pressure above the liquid increases. 
C) remains the same as the temperature increases. 
D) depends on the liquid polarity. 
E) depends on the liquid density. 
A) decreases as the gas pressure above the liquid increases. 
B) increases as the gas pressure above the liquid increases. 
C) remains the same as the temperature increases. 
D) depends on the liquid polarity. 
E) depends on the liquid density.

A solution is prepared by dissolving 2 g of KCl in 100 g of H₂O. In this solution, H₂O is the

The mass/volume percent concentration refers to

An intravenous replacement solution contains 4.0 mEq/L of Ca²⁺ ions. How many grams of Ca²⁺ are in 3.0 L of the solution?

For the question(s) that follow, consider a 4% starch solution and a 10% starch solution separated by a semipermeable membrane. -Which of the following occurs in this system?

In water, a substance that ionizes completely in solution is called a

An equivalent is

According to Henry's law, the solubility of a gas in a liquid

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Exam 9: Solutions

A solution is prepared by dissolving 2 g of KCl in 100 g of H2O. In this solution, H2O is the

The mass/volume percent concentration refers to

An intravenous replacement solution contains 4.0 mEq/L of Ca2+ ions. How many grams of Ca2+ are in 3.0 L of the solution?

For the question(s) that follow, consider a 4% starch solution and a 10% starch solution separated by a semipermeable membrane. -Which of the following occurs in this system?

In water, a substance that ionizes completely in solution is called a

An equivalent is

According to Henry's law, the solubility of a gas in a liquid

Chemistry in Our Lives

Chemistry and Measurements

Energy and Matter

Atoms

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Reactions and Quantities

Gases

Reaction Rates and Chemical Equilibrium

Acids and Bases

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, Phenols, Thiols, and Ethers

Aldehydes, Ketones, and Chiral Molecules

Carbohydrates

Carboxylic Acids and Esters

Lipids

Amines and Amides

Amino Acids and Proteins

Enzymes and Vitamins

Nucleic Acids and Protein Synthesis

Metabolic Pathways for Carbohydrates

Metabolism and Energy Production

Metabolic Pathways for Lipids and Amino Acids

Filters

A solution is prepared by dissolving 2 g of KCl in 100 g of H₂O. In this solution, H₂O is the

An intravenous replacement solution contains 4.0 mEq/L of Ca²⁺ ions. How many grams of Ca²⁺ are in 3.0 L of the solution?