Podcast
Questions and Answers
Which characteristic is essential for a mixture to be classified as a solution?
Which characteristic is essential for a mixture to be classified as a solution?
- It must appear as multiple phases.
- It must contain visible solid particles.
- It must be heterogeneous.
- It must be homogeneous. (correct)
A solution is composed of solute particles dispersed throughout a solvent.
A solution is composed of solute particles dispersed throughout a solvent.
True (A)
What two components are necessary to form a solution?
What two components are necessary to form a solution?
solute and solvent
The classification of solutions is based on the phase of its components, ______________, and concentration.
The classification of solutions is based on the phase of its components, ______________, and concentration.
Match each type of solution with a suitable example:
Match each type of solution with a suitable example:
What defines a liquid solution?
What defines a liquid solution?
Brine, a solution of salt in water, is an example of a liquid solution.
Brine, a solution of salt in water, is an example of a liquid solution.
Besides solid solutes in liquid solvents, what are two other forms of liquid solutions?
Besides solid solutes in liquid solvents, what are two other forms of liquid solutions?
Rubbing alcohol, which consists of ethanol in water, is an example of a __________ solution.
Rubbing alcohol, which consists of ethanol in water, is an example of a __________ solution.
In a solid solution, what state of matter is the solvent?
In a solid solution, what state of matter is the solvent?
Hydrogen gas trapped in palladium metal is considered a solid solution.
Hydrogen gas trapped in palladium metal is considered a solid solution.
What materials are combined to create the solid solution known as brass?
What materials are combined to create the solid solution known as brass?
Amalgam, used in dentistry, is a solid solution of liquid __________ in solid gold.
Amalgam, used in dentistry, is a solid solution of liquid __________ in solid gold.
What defines a gaseous solution?
What defines a gaseous solution?
Air is an example of a gaseous solution.
Air is an example of a gaseous solution.
Provide an example of a solid solute dissolved in a gaseous solvent.
Provide an example of a solid solute dissolved in a gaseous solvent.
Water vapor in the air is an example of __________ dissolved in a gaseous solvent, specifically air.
Water vapor in the air is an example of __________ dissolved in a gaseous solvent, specifically air.
What factor is considered when categorizing solutions by their saturation level?
What factor is considered when categorizing solutions by their saturation level?
Solubility, when classifying by saturation, is not temperature-dependent.
Solubility, when classifying by saturation, is not temperature-dependent.
Under what conditions is the amount of solute less than the solute's solubility?
Under what conditions is the amount of solute less than the solute's solubility?
If a solution has the maximum amount of solute dissolved in a solvent, it is said to be a __________ solution.
If a solution has the maximum amount of solute dissolved in a solvent, it is said to be a __________ solution.
Which of the following best describes a supersaturated solution?
Which of the following best describes a supersaturated solution?
Agitation always stabilizes a supersaturated solution.
Agitation always stabilizes a supersaturated solution.
How does temperature affect the creation of a supersaturated solution?
How does temperature affect the creation of a supersaturated solution?
The process where excess solute comes out of a supersaturated solution is called __________..
The process where excess solute comes out of a supersaturated solution is called __________..
What is the common unit to measure concentration?
What is the common unit to measure concentration?
Molarity is not a unit of concentration.
Molarity is not a unit of concentration.
What type of solutions is often used in preparing diluted solutions?
What type of solutions is often used in preparing diluted solutions?
A solution with a molarity greater than 1 M is considered a __________ solution.
A solution with a molarity greater than 1 M is considered a __________ solution.
What process defines the creation of a diluted solution?
What process defines the creation of a diluted solution?
Dilution increases the concentration of a solution.
Dilution increases the concentration of a solution.
What is the procedure to prepare a diluted solution?
What is the procedure to prepare a diluted solution?
The diluted portion of the stock solution is known as an __________.
The diluted portion of the stock solution is known as an __________.
Which of the following contains the SMALLEST amount of solute relative to the amount of solvent?
Which of the following contains the SMALLEST amount of solute relative to the amount of solvent?
A carbonated drink is an example of a liquid-liquid solution.
A carbonated drink is an example of a liquid-liquid solution.
What solution is comprised of liquid mercury in gold?
What solution is comprised of liquid mercury in gold?
An _______ has the same concentration as the stock solution.
An _______ has the same concentration as the stock solution.
Match the following types of solutions with an example:
Match the following types of solutions with an example:
Which of these options is the best example of a solvent?
Which of these options is the best example of a solvent?
A solute is always a solid.
A solute is always a solid.
What type of solutions contains more solute than should be possible?
What type of solutions contains more solute than should be possible?
Flashcards
Solutions
Solutions
Homogeneous mixtures that appear as one phase.
Liquid solutions
Liquid solutions
A solution where the solvent is a liquid.
Solid solutions
Solid solutions
A solution where the solvent is a solid.
Gaseous solutions
Gaseous solutions
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Solutions Based on Saturation
Solutions Based on Saturation
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Unsaturated Solution
Unsaturated Solution
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Saturated Solution
Saturated Solution
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Supersaturated Solution
Supersaturated Solution
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Solutions Based on Concentration
Solutions Based on Concentration
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Concentrated Solution
Concentrated Solution
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Diluted Solution
Diluted Solution
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Solution
Solution
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Solute
Solute
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Solvent
Solvent
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Study Notes
- Solutions are homogeneous mixtures appearing in a single phase
- Solutions consist of solute particles dissolved in a suitable solvent
- Solutions are classified by their components' phases, saturation, and concentration
Solution Components
- A solution is a homogeneous mix of two or more pure substances
- Solutions are composed of a solute and a solvent
- The solute is the substance presented in smaller quantities
- The solvent is the substance present in greater quantities
Classification by Solvent Phase
- Solutions are classified based on the solvent's phase
- Liquid solutions' solvent is a liquid
- Liquid solutions are the most common type
- Solid-liquid, liquid-liquid, and gas-liquid solutions are all types of liquid solutions
- Solid solutions' solvent is a solid
- Solid-solid, liquid-solid, and gas-solid solutions are all types of solid solutions
- Gaseous solutions utilize a gas as a solvent
- Solid-gas, liquid-gas, and gas-gas solutions are all types of gaseous solutions
Solute | Solvent | Resulting Solution | Example |
---|---|---|---|
Solid | Liquid | Liquid | Brine (salt in water) |
Liquid | Liquid | Liquid | Rubbing Alcohol |
Gas | Liquid | Liquid | Carbonated Drinks |
Solid | Solid | Solid | Brass (zinc in copper) |
Liquid | Solid | Solid | Amalgam (mercury in gold) |
Gas | Solid | Solid | Hydrogen gas in palladium |
Solid | Gas | Gas | Camphor in nitrogen gas |
Liquid | Gas | Gas | Water vapor in the air |
Gas | Gas | Gas | Air |
Classification by Saturation
- Solutions are also classified by saturation
- Saturation depends on the amount of solute dissolved in a given solvent volume at a specific temperature
- Solubility at a specific temperature must be considered here
- An unsaturated solution has less solute than its solubility at a given volume and temperature
- A saturated solution has an amount of solute that equals its solubility at a given volume and temperature
- A supersaturated solution has more solute than its solubility at a given volume and temperature
- Supersaturation involves dissolving a solute at a higher temperature, then cooling
- Supersaturated solutions are unstable, agitation leads to crystallization
Solution Saturation Key Points
- In unsaturated solutions, the amount of solute is less than the solubility capacity of the solvent
- In saturated solutions, the amount of solute equals the solubility capacity of the solvent
- In supersaturated solutions, the amount of solute is greater than the solubility capacity of the solvent
Classification by Concentration
- Concentrated solutions contain an excessively large amount of solute
- Molarity (M) is the most common unit of concentration
- Concentrated solutions have molarities greater than 1 M
- Stock solutions are concentrated solutions used to prepare diluted solutions
- Concentrated sulfuric acid is 18 M, glacial acetic acid is 17 M
- Diluted solutions have a low concentration
- Dilution is used in preparation, involving:
- Taking an aliquot aliquot(portion of the stock), Then
- Adding more solvent to dilute and lower the concentration
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