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Chemistry

9th Edition
Steven S. Zumdahl
ISBN: 9781133611097

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BuyFindarrow_forward

Chemistry

9th Edition
Steven S. Zumdahl
ISBN: 9781133611097
Textbook Problem

From the following:

pure water

solution of C12H22O11 (m = 0.01) in water

solution of NaCl (m = 0.01) in water

solution of CaCl2 (m = 0.01) in water

Choose the one with the

a. highest freezing point.

b. lowest freezing point.

c. highest boiling point.

d. lowest boiling point.

e. highest osmotic pressure.

a)

Interpretation Introduction

Interpretation: From the given set of solutions, the one with highest and lowest boiling point, highest and lowest freezing point and highest osmotic pressure has to be identified.

Concept Introduction:

Colligative properties of a substance include the depression in the freezing point, elevation of boiling-point and osmotic pressure. These are dependant only on the number present and not based on the solute particles present in an ideal solution. These properties have a direct relationship to the solute particles, and therefore the colligative properties are useful for identifying the nature of solute particles and also calculating the molar masses of substances.

Freezing point is the temperature in which solid upon cooling turns into liquid.

Boiling point is the temperature in which liquid upon heating changes into vapor state.

When a semipermeable membrane, separates a solution and pure solvent, the solvent molecules are passed through the semi permeable membrane. There is a gradual increase in the volume of solution with a decrease in volume of the solvent with respect to time. The flow of solvent through a semipermeable membrane into the solution is called as osmosis. By the time, the system reached equilibrium, the changes in the liquid level stops. There is a higher hydrostatic pressure on the solution than compared to that of pure solvent because there is a variation in the liquid levels at this point. The excess pressure on the solution is called osmotic pressure.

Explanation

To chose the one with highest freezing point

Pure Water is said to have highest freezing point. Because, NaCl, CaCl2, C

b)

Interpretation Introduction

Interpretation: From the given set of solutions, the one with highest and lowest boiling point, highest and lowest freezing point and highest osmotic pressure has to be identified.

Concept Introduction:

Colligative properties of a substance include the depression in the freezing point, elevation of boiling-point and osmotic pressure. These are dependant only on the number present and not based on the solute particles present in an ideal solution. These properties have a direct relationship to the solute particles, and therefore the colligative properties are useful for identifying the nature of solute particles and also calculating the molar masses of substances.

Freezing point is the temperature in which solid upon cooling turns into liquid.

Boiling point is the temperature in which liquid upon heating changes into vapor state.

When a semipermeable membrane, separates a solution and pure solvent, the solvent molecules are passed through the semi permeable membrane. There is a gradual increase in the volume of solution with a decrease in volume of the solvent with respect to time. The flow of solvent through a semipermeable membrane into the solution is called as osmosis. By the time, the system reached equilibrium, the changes in the liquid level stops. There is a higher hydrostatic pressure on the solution than compared to that of pure solvent because there is a variation in the liquid levels at this point. The excess pressure on the solution is called osmotic pressure.

c)

Interpretation Introduction

Interpretation: From the given set of solutions, the one with highest and lowest boiling point, highest and lowest freezing point and highest osmotic pressure has to be identified.

Concept Introduction:

Colligative properties of a substance include the depression in the freezing point, elevation of boiling-point and osmotic pressure. These are dependant only on the number present and not based on the solute particles present in an ideal solution. These properties have a direct relationship to the solute particles, and therefore the colligative properties are useful for identifying the nature of solute particles and also calculating the molar masses of substances.

Freezing point is the temperature in which solid upon cooling turns into liquid.

Boiling point is the temperature in which liquid upon heating changes into vapor state.

When a semipermeable membrane, separates a solution and pure solvent, the solvent molecules are passed through the semi permeable membrane. There is a gradual increase in the volume of solution with a decrease in volume of the solvent with respect to time. The flow of solvent through a semipermeable membrane into the solution is called as osmosis. By the time, the system reached equilibrium, the changes in the liquid level stops. There is a higher hydrostatic pressure on the solution than compared to that of pure solvent because there is a variation in the liquid levels at this point. The excess pressure on the solution is called osmotic pressure.

d)

Interpretation Introduction

Interpretation: From the given set of solutions, the one with highest and lowest boiling point, highest and lowest freezing point and highest osmotic pressure has to be identified.

Concept Introduction:

Colligative properties of a substance include the depression in the freezing point, elevation of boiling-point and osmotic pressure. These are dependant only on the number present and not based on the solute particles present in an ideal solution. These properties have a direct relationship to the solute particles, and therefore the colligative properties are useful for identifying the nature of solute particles and also calculating the molar masses of substances.

Freezing point is the temperature in which solid upon cooling turns into liquid.

Boiling point is the temperature in which liquid upon heating changes into vapor state.

When a semipermeable membrane, separates a solution and pure solvent, the solvent molecules are passed through the semi permeable membrane. There is a gradual increase in the volume of solution with a decrease in volume of the solvent with respect to time. The flow of solvent through a semipermeable membrane into the solution is called as osmosis. By the time, the system reached equilibrium, the changes in the liquid level stops. There is a higher hydrostatic pressure on the solution than compared to that of pure solvent because there is a variation in the liquid levels at this point. The excess pressure on the solution is called osmotic pressure.

e)

Interpretation Introduction

Interpretation: From the given set of solutions, the one with highest and lowest boiling point, highest and lowest freezing point and highest osmotic pressure has to be identified.

Concept Introduction:

Colligative properties of a substance include the depression in the freezing point, elevation of boiling-point and osmotic pressure. These are dependant only on the number present and not based on the solute particles present in an ideal solution. These properties have a direct relationship to the solute particles, and therefore the colligative properties are useful for identifying the nature of solute particles and also calculating the molar masses of substances.

Freezing point is the temperature in which solid upon cooling turns into liquid.

Boiling point is the temperature in which liquid upon heating changes into vapor state.

When a semipermeable membrane, separates a solution and pure solvent, the solvent molecules are passed through the semi permeable membrane. There is a gradual increase in the volume of solution with a decrease in volume of the solvent with respect to time. The flow of solvent through a semipermeable membrane into the solution is called as osmosis. By the time, the system reached equilibrium, the changes in the liquid level stops. There is a higher hydrostatic pressure on the solution than compared to that of pure solvent because there is a variation in the liquid levels at this point. The excess pressure on the solution is called osmotic pressure.

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