Solutions Quiz
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Questions and Answers

Which of the following is a characteristic of a saturated solution?

  • It contains the maximum amount of solute at a given temperature (correct)
  • It is cloudy and contains undissolved solute at the bottom
  • It is highly reactive with the container it is in
  • It has a low concentration of solute compared to solvent

What is the term for a solution that has more solute dissolved than could be dissolved by the solvent under normal circumstances?

  • Dilute solution
  • Unsaturated solution
  • Supersaturated solution (correct)
  • Concentrated solution

What happens to the solubility of most solid solutes as temperature increases?

  • It depends on the specific solute
  • It decreases
  • It remains constant
  • It increases (correct)

Which unit is commonly used to express the concentration of a solution?

<p>Molarity (M) (A)</p> Signup and view all the answers

How does dilution affect the concentration of a solution?

<p>It decreases the concentration (A)</p> Signup and view all the answers

What is the relationship between molarity and volume of solution?

<p>Direct relationship (C)</p> Signup and view all the answers

How is the concentration of a solution commonly expressed?

<p>Molarity (A)</p> Signup and view all the answers

What happens to the solubility of most solid solutes as temperature increases?

<p>It increases (C)</p> Signup and view all the answers

What is the term for a solution that has the maximum amount of solute dissolved in the solvent?

<p>Saturated solution (A)</p> Signup and view all the answers

How is the concentration of a solution typically expressed?

<p>Molarity (D)</p> Signup and view all the answers

What does molarity indicate about a solution?

<p>Number of moles of solute per liter of solution (A)</p> Signup and view all the answers

Which factor directly affects the molarity of a solution?

<p>Amount of solute and volume of solution (D)</p> Signup and view all the answers

Flashcards

Saturated solution

A solution containing the maximum amount of solute that can dissolve at a specific temperature.

Supersaturated solution

A solution containing more solute than the solvent can normally hold at that temperature.

Solubility

The amount of solute that can dissolve in a given amount of solvent at a specific temperature.

Molarity (M)

The concentration of a solution expressed as the number of moles of solute per liter of solution.

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Dilution

The process of adding more solvent to a solution, decreasing the concentration of the solute.

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Diluting a solution

Adding more solvent to a solution to reduce the concentration of the solute.

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Molarity-Volume relationship

A direct relationship exists between the volume of a solution and its molarity. Increasing the volume reduces the molarity and vice versa.

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Solution concentration

The concentration of a solution is directly proportional to the amount of solute dissolved in a given volume of solvent.

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Solute

The amount of the dissolved substance in a solution.

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Solvent

The substance that dissolves the solute, usually a liquid.

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Molarity

The number of moles of solute dissolved in a given volume of solution.

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Temperature and Solubility

Higher temperatures generally increase the solubility of most solid solutes in liquids. This is because particles have more energy to break apart and dissolve.

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Study Notes

Characteristics of Solutions

  • A saturated solution contains the maximum amount of solute dissolved in the solvent, leading to no additional solute being able to dissolve at a given temperature.
  • A supersaturated solution has more solute dissolved than what could normally be dissolved by the solvent under standard conditions, often achieved by changing temperature or pressure.

Temperature and Solubility

  • The solubility of most solid solutes increases as temperature rises, allowing more solute to dissolve in the solvent.

Concentration Units

  • Concentration of a solution is commonly expressed using molarity (M), which specifies the number of moles of solute per liter of solution.
  • Other common expressions of concentration include mass percent, volume percent, and molality.

Effects of Dilution

  • Dilution reduces the concentration of a solution by adding more solvent without changing the amount of solute, thus increasing the volume while decreasing the ratio of solute to solvent.

Relationship Between Molarity and Volume

  • Molarity is inversely related to volume; if the volume of the solution increases (due to dilution), the molarity decreases, assuming the amount of solute remains constant.

Molarity and Its Implications

  • Molarity indicates how concentrated a solution is and provides a way to calculate the required amounts of solute and solvent for reactions and dilutions.
  • Direct factors affecting molarity include the amount of solute and the total volume of solution.

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Description

Test your knowledge of types of solutions with this quiz. Explore the characteristics of saturated solutions, identify the term for a solution with excess solute, and understand the impact of temperature on solubility.

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