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

The concentration of a benzene solution prepared by mixing 12.0 g C6H6 with 38.0 g CCl4 is Molal.

A) 0.240 B) 4.04 C) 0.508 D) 0.622 E) 0.316 A) 0.240 B) 4.04 C) 0.508 D) 0.622 E) 0.316

Determine the freezing point (°C) of a 0.015 molal aqueous solution of MgSO4. Assume i = 2.0 for MgSO4. The molal freezing- point- depression constant of water is 1.86 °C/m.

A) 0.000 B) - 0.056 C) - 0.028 D) - 0.084 E) - 0.17 A) 0.000 B) - 0.056 C) - 0.028 D) - 0.084 E) - 0.17

The concentration of lead nitrate (Pb(NO3)2) in a 0.726 M solution is molal. The density of the solution is 1.202 g/mL.

A) 1.928 B) 0.650 C) 0.755 D) 0.819 E) 0.476 A) 1.928 B) 0.650 C) 0.755 D) 0.819 E) 0.476

Exam 13: Properties of Solutions

The solubility of MnSO₄monohydrate 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 MnSO₄monohydrate is best described as a(n) solution. The formula weight of MnSO₄monohydrate is 168.97 g/mol.

(Multiple Choice)

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Question 41

The concentration of a benzene solution prepared by mixing 12.0 g C₆H₆with 38.0 g CCl₄is Molal.

(Multiple Choice)

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Question 42

Determine the freezing point (°C) of a 0.015 molal aqueous solution of MgSO₄. Assume i = 2.0 for MgSO₄. The molal freezing- point- depression constant of water is 1.86 °C/m.

(Multiple Choice)

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Question 43

The solubility of oxygen gas in water at 25 °C and 1.0 atm pressure of oxygen is 0.041 g/L. The solubility of oxygen in water at 3.0 atm and 25 °C is g/L.

(Multiple Choice)

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Question 44

The concentration of lead nitrate (Pb(NO₃)₂) in a 0.726 M solution is molal. The density of the solution is 1.202 g/mL.

(Multiple Choice)

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Question 45

A solution is prepared by adding 30.00 g of lactose (milk sugar) to 110.0 g of water at 55 °C. The partial pressure of water above the solution is torr. The vapor pressure of pure water at 55 °C is 118 torr. The MW of lactose is 342.3 g/mol.

(Multiple Choice)

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Question 46

Determine the fraction of ionization of HX if a solution prepared by dissolving 0.020 mol of HX in 115 g of water freezes at - 0.47 °C. The molal freezing- point- depression constant of water is 1)86 °C/m.

(Multiple Choice)

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Question 47

The solubility of Ar in water at 25 °C is 1.6 × 10^-³M when the pressure of the Ar above the solution is 1.0 atm. The solubility of Ar at a pressure of 2.5 atm is M.

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Question 48

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 ^oC. (Note: the vapor pressure of pure water at 25.0 ^oC is 23.76 torr.)

(Short Answer)

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Question 49

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)

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Question 50

A solution containing 10.0 g of an unknown liquid and 90.0 g water has a freezing point of - 3.33 °C. Given K_f= 1.86 °C/m for water, the molar mass of the unknown liquid is g/mol.

(Multiple Choice)

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Question 51

A solution is prepared by dissolving 23.7 g of CaCl₂in 375 g of water. The density of the resulting solution is 1.05 g/mL. The concentration of CaCl₂in this solution is molal.

(Multiple Choice)

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Question 52

A solution contains 150.8 grams of NaCl in 678.3 grams of water. Calculate the vapor pressure lowering (in torr) of the solution at 25.0 ^oC. (Note: the vapor pressure of pure water at 25.0 ^oC is 23.76 torr.)

(Short Answer)

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Question 53

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

(Multiple Choice)

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Question 54

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 55

The concentration of urea (MW = 60.0 g/mol) in a solution prepared by dissolving 16 g of urea in 39 g of H₂O is molal.

(Multiple Choice)

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Question 56

A solution is prepared by dissolving 2.60 g of a strong electrolyte (formula weight = 101 g/mol) in enough water to make 1.00 L of solution. The osmotic pressure of the solution is 1.25 atm at 25.0 °C. What is the van't Hoff factor (i) for the unknown solute?

(Multiple Choice)

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Question 57

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 58

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

(True/False)

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Question 59

Which one of the following is most soluble in water?

(Multiple Choice)

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Question 60

Showing 41 - 60 of 121

Exam 13: Properties of Solutions

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.

The concentration of a benzene solution prepared by mixing 12.0 g C6H6 with 38.0 g CCl4 is Molal.

Determine the freezing point (°C) of a 0.015 molal aqueous solution of MgSO4. Assume i = 2.0 for MgSO4. The molal freezing- point- depression constant of water is 1.86 °C/m.

The solubility of oxygen gas in water at 25 °C and 1.0 atm pressure of oxygen is 0.041 g/L. The solubility of oxygen in water at 3.0 atm and 25 °C is g/L.

The concentration of lead nitrate (Pb(NO3)2) in a 0.726 M solution is molal. The density of the solution is 1.202 g/mL.

A solution is prepared by adding 30.00 g of lactose (milk sugar) to 110.0 g of water at 55 °C. The partial pressure of water above the solution is torr. The vapor pressure of pure water at 55 °C is 118 torr. The MW of lactose is 342.3 g/mol.

Determine the fraction of ionization of HX if a solution prepared by dissolving 0.020 mol of HX in 115 g of water freezes at - 0.47 °C. The molal freezing- point- depression constant of water is 1)86 °C/m.

The solubility of Ar in water at 25 °C is 1.6 × 10- 3 M when the pressure of the Ar above the solution is 1.0 atm. The solubility of Ar at a pressure of 2.5 atm is M.

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 oC. (Note: the vapor pressure of pure water at 25.0 oC is 23.76 torr.)

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.

A solution containing 10.0 g of an unknown liquid and 90.0 g water has a freezing point of - 3.33 °C. Given Kf = 1.86 °C/m for water, the molar mass of the unknown liquid 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 150.8 grams of NaCl in 678.3 grams of water. Calculate the vapor pressure lowering (in torr) of the solution at 25.0 oC. (Note: the vapor pressure of pure water at 25.0 oC is 23.76 torr.)

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

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 .

The concentration of urea (MW = 60.0 g/mol) in a solution prepared by dissolving 16 g of urea in 39 g of H2O is molal.

A solution is prepared by dissolving 2.60 g of a strong electrolyte (formula weight = 101 g/mol) in enough water to make 1.00 L of solution. The osmotic pressure of the solution is 1.25 atm at 25.0 °C. What is the van't Hoff factor (i) for the unknown solute?

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

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

Which one of the following is most soluble in water?

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The solubility of MnSO₄monohydrate 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 MnSO₄monohydrate is best described as a(n) solution. The formula weight of MnSO₄monohydrate is 168.97 g/mol.

The concentration of a benzene solution prepared by mixing 12.0 g C₆H₆with 38.0 g CCl₄is Molal.

Determine the freezing point (°C) of a 0.015 molal aqueous solution of MgSO₄. Assume i = 2.0 for MgSO₄. The molal freezing- point- depression constant of water is 1.86 °C/m.

The concentration of lead nitrate (Pb(NO₃)₂) in a 0.726 M solution is molal. The density of the solution is 1.202 g/mL.

The solubility of Ar in water at 25 °C is 1.6 × 10^-³M when the pressure of the Ar above the solution is 1.0 atm. The solubility of Ar at a pressure of 2.5 atm is M.

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 ^oC. (Note: the vapor pressure of pure water at 25.0 ^oC is 23.76 torr.)

A solution containing 10.0 g of an unknown liquid and 90.0 g water has a freezing point of - 3.33 °C. Given K_f= 1.86 °C/m for water, the molar mass of the unknown liquid is g/mol.

A solution is prepared by dissolving 23.7 g of CaCl₂in 375 g of water. The density of the resulting solution is 1.05 g/mL. The concentration of CaCl₂in this solution is molal.

A solution contains 150.8 grams of NaCl in 678.3 grams of water. Calculate the vapor pressure lowering (in torr) of the solution at 25.0 ^oC. (Note: the vapor pressure of pure water at 25.0 ^oC is 23.76 torr.)

The concentration of urea (MW = 60.0 g/mol) in a solution prepared by dissolving 16 g of urea in 39 g of H₂O is molal.

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