The concentration (M)of HCl in a solution prepared by dissolving 5.5 g of HCl in 200 g of C2H6O is __________ M. The density of the solution is 0.79 g/mL.

A) 21 B) 0.93 C) 0.58 D) 6.0 × 10-4 E) 1.72 A) 21 B) 0.93 C) 0.58 D) 6.0 × 10-4 E) 1.72

What is the freezing point (°C)of a solution prepared by dissolving 11.3 g of Ca(NO3)2 (formula weight = 164 g/mol)in 115 g of water? The molal freezing point depression constant for water is 1.86°C/m.

A) -3.34 B) -1.11 C) 3.34 D) 1.11 E) 0.00 A) -3.34 B) -1.11 C) 3.34 D) 1.11 E) 0.00

Exam 13: Properties of Solutions

Calculate the freezing point of a solution containing 5.0 grams of KCl and 550.0 grams of water. The molal-freezing-point-depression constant (K_f)for water is 1.86°C/m.

(Multiple Choice)

4.8/5

(61)

Question 81

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

(Multiple Choice)

4.8/5

(74)

Question 82

At 20°C, a 0.376 M aqueous solution of ammonium chloride has a density of 1.0045 g/mL. What is the mass % of ammonium chloride in the solution? The formula weight of NH₄Cl is 53.50 g/mol.

(Multiple Choice)

4.8/5

(76)

Question 83

George is making spaghetti for dinner. He places 4.01 kg of water in a pan and brings it to a boil. Before adding the pasta, he adds 58 g of table salt (NaCl)to the water and again brings it to a boil. The temperature of the salty, boiling water is __________°C. Assume a pressure of 1.00 atm and negligible evaporation of water. K_b for water is 0.52°C/m.

(Multiple Choice)

4.9/5

(79)

Question 84

The process of solute particles being surrounded by solvent particles is known as __________.

(Multiple Choice)

4.9/5

(85)

Question 85

Which one of the following solutes has a limiting van't Hoff factor (i)of 3 when dissolved in water?

(Multiple Choice)

4.9/5

(91)

Question 86

A 1.35 m aqueous solution of compound X had a boiling point of 101.4°C. Which one of the following could be compound X? The boiling point elevation constant for water is 0.52°C/m.

(Multiple Choice)

4.9/5

(73)

Question 87

A solution is prepared by dissolving 0.60 g of nicotine (a nonelectrolyte)in water to make 12 mL of solution. The osmotic pressure of the solution is 7.55 atm at 25 °C. The molecular weight of nicotine is ________g/mol.

(Multiple Choice)

4.8/5

(78)

Question 88

A solution is prepared by dissolving 23.7 g of CaCl₂ in 375 g of water. The density of the resulting solution is 1.05 g/mL. The concentration of CaCl₂ in this solution is __________ molal.

(Multiple Choice)

4.9/5

(75)

Question 89

A solution contains 15 ppm of benzene. The density of the solution is 1.00 g/mL. This means that __________.

(Multiple Choice)

4.8/5

(95)

Question 90

Calculate the mole fraction of nitric acid of a 17.5% (by mass)aqueous solution of nitric acid.

(Multiple Choice)

4.8/5

(68)

Question 91

The value of the boiling-point-elevation constant (K_b)depends on the identity of the solvent.

(True/False)

4.8/5

(81)

Question 92

For a dilute aqueous solution, a concentration of 1 ppm also corresponds to a concentration of 1 __________ per liter of solution.

(Short Answer)

4.8/5

(67)

Question 93

The Procter & Gamble Company product called olestra^tm is formed by combining a sugar molecule with __________.

(Multiple Choice)

4.9/5

(79)

Question 94

What is the molality 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)

4.9/5

(67)

Question 95

The concentration (M)of HCl in a solution prepared by dissolving 5.5 g of HCl in 200 g of C₂H₆O is __________ M. The density of the solution is 0.79 g/mL.

(Multiple Choice)

4.7/5

(86)

Question 96

Which one of the following is least soluble in water?

(Multiple Choice)

4.8/5

(68)

Question 97

Physical properties of a solution that depend on the quantity of the solute particles present, but not the kind or identity of the particles, are termed __________ properties.

(Short Answer)

5.0/5

(82)

Question 98

What is the freezing point (°C)of a solution prepared by dissolving 11.3 g of Ca(NO₃)₂ (formula weight = 164 g/mol)in 115 g of water? The molal freezing point depression constant for water is 1.86°C/m.

(Multiple Choice)

4.9/5

(76)

Question 99

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

(Multiple Choice)

4.7/5

(73)

Question 100

Showing 81 - 100 of 151

Exam 13: Properties of Solutions

Calculate the freezing point of a solution containing 5.0 grams of KCl and 550.0 grams of water. The molal-freezing-point-depression constant (Kf)for water is 1.86°C/m.

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

At 20°C, a 0.376 M aqueous solution of ammonium chloride has a density of 1.0045 g/mL. What is the mass % of ammonium chloride in the solution? The formula weight of NH4Cl is 53.50 g/mol.

The process of solute particles being surrounded by solvent particles is known as __________.

Which one of the following solutes has a limiting van't Hoff factor (i)of 3 when dissolved in water?

A 1.35 m aqueous solution of compound X had a boiling point of 101.4°C. Which one of the following could be compound X? The boiling point elevation constant for water is 0.52°C/m.

A solution is prepared by dissolving 0.60 g of nicotine (a nonelectrolyte)in water to make 12 mL of solution. The osmotic pressure of the solution is 7.55 atm at 25 °C. The molecular weight of nicotine is ________g/mol.

A solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of water. The density of the resulting solution is 1.05 g/mL. The concentration of CaCl2 in this solution is __________ molal.

A solution contains 15 ppm of benzene. The density of the solution is 1.00 g/mL. This means that __________.

Calculate the mole fraction of nitric acid of a 17.5% (by mass)aqueous solution of nitric acid.

The value of the boiling-point-elevation constant (Kb)depends on the identity of the solvent.

For a dilute aqueous solution, a concentration of 1 ppm also corresponds to a concentration of 1 __________ per liter of solution.

The Procter & Gamble Company product called olestratm is formed by combining a sugar molecule with __________.

What is the molality 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 (M)of HCl in a solution prepared by dissolving 5.5 g of HCl in 200 g of C2H6O is __________ M. The density of the solution is 0.79 g/mL.

Which one of the following is least soluble in water?

Physical properties of a solution that depend on the quantity of the solute particles present, but not the kind or identity of the particles, are termed __________ properties.

What is the freezing point (°C)of a solution prepared by dissolving 11.3 g of Ca(NO3)2 (formula weight = 164 g/mol)in 115 g of water? The molal freezing point depression constant for water is 1.86°C/m.

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

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

Filters

Calculate the freezing point of a solution containing 5.0 grams of KCl and 550.0 grams of water. The molal-freezing-point-depression constant (K_f)for water is 1.86°C/m.

At 20°C, a 0.376 M aqueous solution of ammonium chloride has a density of 1.0045 g/mL. What is the mass % of ammonium chloride in the solution? The formula weight of NH₄Cl is 53.50 g/mol.

A solution is prepared by dissolving 23.7 g of CaCl₂ in 375 g of water. The density of the resulting solution is 1.05 g/mL. The concentration of CaCl₂ in this solution is __________ molal.

The value of the boiling-point-elevation constant (K_b)depends on the identity of the solvent.

The Procter & Gamble Company product called olestra^tm is formed by combining a sugar molecule with __________.

The concentration (M)of HCl in a solution prepared by dissolving 5.5 g of HCl in 200 g of C₂H₆O is __________ M. The density of the solution is 0.79 g/mL.

What is the freezing point (°C)of a solution prepared by dissolving 11.3 g of Ca(NO₃)₂ (formula weight = 164 g/mol)in 115 g of water? The molal freezing point depression constant for water is 1.86°C/m.

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