The concentration of CO2 in a soft drink bottled with a partial pressure of CO2 of 4.0 atm over the liquid at 25°C is 1.2 × 10-1 M. The Henry's law constant for CO2 at this temperature is __________.

A) 3.0 × 10-2 mol/L-atm B) 4.5 × 10-3 mol/L-atm C) 5.6 × 10-3 mol/L-atm D) 2.3 × 10-2 mol/L-atm E) More information is needed to solve the problem. A) 3.0 × 10-2 mol/L-atm B) 4.5 × 10-3 mol/L-atm C) 5.6 × 10-3 mol/L-atm D) 2.3 × 10-2 mol/L-atm E) More information is needed to solve the problem.

The solubility of MnSO4 monohydrate in water at 20°C is 70.0 g per 100.0 mL of water. A solution at 20°C that is 4.22 M in MnSO4 monohydrate is best described as a(n)__________ solution. The formula weight of MnSO4 monohydrate is 168.97 g/mol.

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

A sample of potassium nitrate (49.0 g)is dissolved in 101 g of water at 100°C, with precautions taken to avoid evaporation of any water. The solution is cooled to 30.0°C and a small amount of precipitate is observed. This solution is __________.

(Multiple Choice)

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Question 101

Water (H₂O)and the alcohol methanol (CH₃OH)are infinitely soluble in each other. The primary intermolecular force responsible for this is __________.

(Short Answer)

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Question 102

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 103

A solution contains 150.8 grams of NaCl in 678.3 grams of water. Calculate the vapor pressure of water (in torr)over the solution at 25.0°C. (Note: The vapor pressure of pure water at 25.0°C is 23.76 torr.)

(Short Answer)

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Question 104

The phrase "like dissolves like" refers to the fact that __________.

(Multiple Choice)

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Question 105

A sample of potassium chlorate (15.0 g)is dissolved in 201 g of water at 70°C, with precautions taken to avoid evaporation of any water. The solution is cooled to 30.0°C and no precipitate is observed. This solution is __________.

(Multiple Choice)

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Question 106

The ratio of the actual value of a colligative property to the value calculated, assuming the substance to be a nonelectrolyte, is referred to as __________.

(Multiple Choice)

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Question 107

When two nonpolar organic liquids are mixed, a solution forms and the enthalpy of solution is quite small. Label the two organic liquids as A (solvent)and B (solute). The formation of solution is favored by __________.

(Multiple Choice)

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Question 108

Calculate the molality of a 25.4% (by mass)aqueous solution of phosphoric acid (H₃PO₄).

(Multiple Choice)

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Question 109

The concentration of CO₂ in a soft drink bottled with a partial pressure of CO₂ of 4.0 atm over the liquid at 25°C is 1.2 × 10^-1 M. The Henry's law constant for CO₂ at this temperature is __________.

(Multiple Choice)

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Question 110

When argon is placed in a container of neon, the argon spontaneously disperses throughout the neon because __________.

(Multiple Choice)

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Question 111

Which one of the following concentration units varies with temperature?

(Multiple Choice)

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Question 112

Compounds composed of a salt and water combined in definite proportions are known as

(Multiple Choice)

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Question 113

After swimming in the ocean for several hours, swimmers noticed that their fingers appeared to be very wrinkled. This is an indication that seawater is supertonic relative to the fluid in cells.

(True/False)

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Question 114

The phenomenon used to differentiate colloids and true solutions is called the __________ effect.

(Short Answer)

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Question 115

Which of the following substances is more likely to dissolve in CH₃OH?

(Multiple Choice)

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Question 116

The solubility of MnSO₄ monohydrate in water at 20°C is 70.0 g per 100.0 mL of water. A solution at 20°C that is 4.22 M in MnSO₄ monohydrate is best described as a(n)__________ solution. The formula weight of MnSO₄ monohydrate is 168.97 g/mol.

(Multiple Choice)

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Question 117

Calculate the mole fraction of HCl in a 10.0% (by mass)aqueous solution.

(Multiple Choice)

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Question 118

Which of the following substances is more likely to dissolve in water?

(Multiple Choice)

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Question 119

Which one of the following substances would be the least soluble in CCl₄?

(Multiple Choice)

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Question 120

Showing 101 - 120 of 151

Exam 13: Properties of Solutions

A sample of potassium nitrate (49.0 g)is dissolved in 101 g of water at 100°C, with precautions taken to avoid evaporation of any water. The solution is cooled to 30.0°C and a small amount of precipitate is observed. This solution is __________.

Water (H2O)and the alcohol methanol (CH3OH)are infinitely soluble in each other. The primary intermolecular force responsible for this is __________.

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?

A solution contains 150.8 grams of NaCl in 678.3 grams of water. Calculate the vapor pressure of water (in torr)over the solution at 25.0°C. (Note: The vapor pressure of pure water at 25.0°C is 23.76 torr.)

The phrase "like dissolves like" refers to the fact that __________.

A sample of potassium chlorate (15.0 g)is dissolved in 201 g of water at 70°C, with precautions taken to avoid evaporation of any water. The solution is cooled to 30.0°C and no precipitate is observed. This solution is __________.

The ratio of the actual value of a colligative property to the value calculated, assuming the substance to be a nonelectrolyte, is referred to as __________.

When two nonpolar organic liquids are mixed, a solution forms and the enthalpy of solution is quite small. Label the two organic liquids as A (solvent)and B (solute). The formation of solution is favored by __________.

Calculate the molality of a 25.4% (by mass)aqueous solution of phosphoric acid (H3PO4).

The concentration of CO2 in a soft drink bottled with a partial pressure of CO2 of 4.0 atm over the liquid at 25°C is 1.2 × 10-1 M. The Henry's law constant for CO2 at this temperature is __________.

When argon is placed in a container of neon, the argon spontaneously disperses throughout the neon because __________.

Which one of the following concentration units varies with temperature?

Compounds composed of a salt and water combined in definite proportions are known as

After swimming in the ocean for several hours, swimmers noticed that their fingers appeared to be very wrinkled. This is an indication that seawater is supertonic relative to the fluid in cells.

The phenomenon used to differentiate colloids and true solutions is called the __________ effect.

Which of the following substances is more likely to dissolve in CH3OH?

The solubility of MnSO4 monohydrate in water at 20°C is 70.0 g per 100.0 mL of water. A solution at 20°C that is 4.22 M in MnSO4 monohydrate is best described as a(n)__________ solution. The formula weight of MnSO4 monohydrate is 168.97 g/mol.

Calculate the mole fraction of HCl in a 10.0% (by mass)aqueous solution.

Which of the following substances is more likely to dissolve in water?

Which one of the following substances would be the least soluble in CCl4?

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

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

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Water (H₂O)and the alcohol methanol (CH₃OH)are infinitely soluble in each other. The primary intermolecular force responsible for this is __________.

Calculate the molality of a 25.4% (by mass)aqueous solution of phosphoric acid (H₃PO₄).

The concentration of CO₂ in a soft drink bottled with a partial pressure of CO₂ of 4.0 atm over the liquid at 25°C is 1.2 × 10^-1 M. The Henry's law constant for CO₂ at this temperature is __________.

Which of the following substances is more likely to dissolve in CH₃OH?

The solubility of MnSO₄ monohydrate in water at 20°C is 70.0 g per 100.0 mL of water. A solution at 20°C that is 4.22 M in MnSO₄ monohydrate is best described as a(n)__________ solution. The formula weight of MnSO₄ monohydrate is 168.97 g/mol.

Which one of the following substances would be the least soluble in CCl₄?