The dissolution of water in octane (C8H18)is principally prevented by ________.

A) London dispersion forces between octane molecules B) hydrogen bonding between water molecules C) dipole-dipole attraction between octane molecules D) ion-dipole attraction between water and octane molecules E) repulsion between like-charged water and octane molecules A) London dispersion forces between octane molecules B) hydrogen bonding between water molecules C) dipole-dipole attraction between octane molecules D) ion-dipole attraction between water and octane molecules E) repulsion between like-charged water and octane molecules

A solution at that is 3.75 M in MnSO4 monohydrate is considered a(n)________ solution.The solubility of MnSO4 monohydrate in water at 20 °C is 70.0 g per 100.0 mL of water.

A) hydrated B) solvated C) saturated D) unsaturated E) supersaturated A) hydrated B) solvated C) saturated D) unsaturated E) supersaturated

Exam 13: Properties of Solutions

The freezing point of ethanol ( OH)is -114.6 °C.The molal freezing point depression constant for ethanol is 2.00 °C/m.What is the freezing point (°C)of a solution prepared by dissolving 50.0 g of glycerin a nonelectrolyte)in 200.0 g of ethanol?

(Multiple Choice)

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Question 61

Hydration is a specific example of the phenomenon known generally as ________.

(Multiple Choice)

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Question 62

What is the molality of a 10.0% (by mass)aqueous solution of hydrochloric acid?

(Multiple Choice)

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Question 63

The Henry's law constant for helium gas in water at 30 °C is 3.70 × M/atm.When the partial pressure of helium above a sample of water is 0.400 atm,the concentration of helium in the water is ________ M.

(Multiple Choice)

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Question 64

What is the mole fraction of phosphoric acid in a 20.5% (by mass)aqueous solution?

(Multiple Choice)

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Question 65

Which produces the greatest number of ions when one mole dissolves in water?

(Multiple Choice)

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Question 66

What is the mole fraction of hydrochloric acid in a 17.4% (by mass)hydrochloric acid aqueous solution?

(Multiple Choice)

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Question 67

The dissolution of water in octane (C₈H₁₈)is principally prevented by ________.

(Multiple Choice)

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Question 68

What is the molarity of phosphoric acid in a 22.1% (by mass)aqueous solution?

(Multiple Choice)

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Question 69

A water sample tested positive for lead with a concentration of 35 ppm.The density of the solution is Which of the following statements is correct?

(Multiple Choice)

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Question 70

A solution with a solute concentration greater than the solubility is called a supercritical solution.

(True/False)

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Question 71

As the concentration of a solute in a solution increases,the freezing point of the solution and the vapor pressure of the solution .

(Multiple Choice)

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Question 72

A solution is prepared by dissolving 23.7 g of CaCl₂ in 375 g of water.The density of the resulting solution is The concentration of CaCl₂ in this solution is ________ molal.

(Multiple Choice)

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Question 73

A mixture containing 33.0 g of an unknown liquid and 230.0 g of water has a freezing point of -1.12 °C.Given for water,what is the molar mass (g/mol)of the unknown liquid?

(Multiple Choice)

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Question 74

A solution is prepared by dissolving 15.0 g of NH₃ in 250.0 g of water.The density of the resulting solution is 0.974 g/mL.The molarity of NH₃ in the solution is ________ M.

(Multiple Choice)

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Question 75

What is the molarity of sodium chloride in solution that is 13.0% by mass sodium chloride and that has a density of 1.10 g/mL?

(Multiple Choice)

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Question 76

The concentration of urea in a solution prepared by dissolving 16 g of urea in is ________% by mass.The molar mass of urea is 60.0 g/mol.

(Multiple Choice)

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Question 77

A solution at that is 3.75 M in MnSO₄ monohydrate is considered a(n)________ solution.The solubility of MnSO₄ monohydrate in water at 20 °C is 70.0 g per 100.0 mL of water.

(Multiple Choice)

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Question 78

Pairs of liquids that will mix in all proportions are called ________ liquids.

(Multiple Choice)

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Question 79

Calculate the molarity of a 10.0% (by mass)aqueous solution of hydrochloric acid.

(Multiple Choice)

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Question 80

Showing 61 - 80 of 160

Exam 13: Properties of Solutions

The freezing point of ethanol ( OH)is -114.6 °C.The molal freezing point depression constant for ethanol is 2.00 °C/m.What is the freezing point (°C)of a solution prepared by dissolving 50.0 g of glycerin a nonelectrolyte)in 200.0 g of ethanol?

Hydration is a specific example of the phenomenon known generally as ________.

What is the molality of a 10.0% (by mass)aqueous solution of hydrochloric acid?

The Henry's law constant for helium gas in water at 30 °C is 3.70 × M/atm.When the partial pressure of helium above a sample of water is 0.400 atm,the concentration of helium in the water is ________ M.

What is the mole fraction of phosphoric acid in a 20.5% (by mass)aqueous solution?

Which produces the greatest number of ions when one mole dissolves in water?

What is the mole fraction of hydrochloric acid in a 17.4% (by mass)hydrochloric acid aqueous solution?

The dissolution of water in octane (C8H18)is principally prevented by ________.

What is the molarity of phosphoric acid in a 22.1% (by mass)aqueous solution?

A water sample tested positive for lead with a concentration of 35 ppm.The density of the solution is Which of the following statements is correct?

A solution with a solute concentration greater than the solubility is called a supercritical solution.

As the concentration of a solute in a solution increases,the freezing point of the solution ________ and the vapor pressure of the solution ________.

A solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of water.The density of the resulting solution is The concentration of CaCl2 in this solution is ________ molal.

A mixture containing 33.0 g of an unknown liquid and 230.0 g of water has a freezing point of -1.12 °C.Given for water,what is the molar mass (g/mol)of the unknown liquid?

A solution is prepared by dissolving 15.0 g of NH3 in 250.0 g of water.The density of the resulting solution is 0.974 g/mL.The molarity of NH3 in the solution is ________ M.

What is the molarity of sodium chloride in solution that is 13.0% by mass sodium chloride and that has a density of 1.10 g/mL?

The concentration of urea in a solution prepared by dissolving 16 g of urea in is ________% by mass.The molar mass of urea is 60.0 g/mol.

A solution at that is 3.75 M in MnSO4 monohydrate is considered a(n)________ solution.The solubility of MnSO4 monohydrate in water at 20 °C is 70.0 g per 100.0 mL of water.

Pairs of liquids that will mix in all proportions are called ________ liquids.

Calculate the molarity of a 10.0% (by mass)aqueous solution of hydrochloric acid.

Introduction: Matter, energy, and Measurement

Atoms, molecules, and Ions

Chemical Reactions and Reaction Stoichiometry

Reactions in Aqueous Solution

Thermochemistry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Molecular Geometry and Bonding Theories

Gases

Liquids and Intermolecular Forces

Solids and Modern Materials

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

Filters

The dissolution of water in octane (C₈H₁₈)is principally prevented by ________.

As the concentration of a solute in a solution increases,the freezing point of the solution and the vapor pressure of the solution .

A solution is prepared by dissolving 23.7 g of CaCl₂ in 375 g of water.The density of the resulting solution is The concentration of CaCl₂ in this solution is ________ molal.

A solution is prepared by dissolving 15.0 g of NH₃ in 250.0 g of water.The density of the resulting solution is 0.974 g/mL.The molarity of NH₃ in the solution is ________ M.

A solution at that is 3.75 M in MnSO₄ monohydrate is considered a(n)________ solution.The solubility of MnSO₄ monohydrate in water at 20 °C is 70.0 g per 100.0 mL of water.