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Questions and Answers
What is a solute in a solution?
What is a solute in a solution?
- The measure of the amount of solute in a given amount of solution
- The larger fraction of the mixture
- The type of phase formed by the mixture components
- A substance dissolved in another substance (correct)
When does the solvent pull the solute particles apart and surround them in a solution?
When does the solvent pull the solute particles apart and surround them in a solution?
- When the attractive forces between the solvent and solute particles are greater than the attractive forces holding the solute particles together (correct)
- When the solute particles are larger in size
- When the solvent is in solid state
- When the solute particles have higher density than the solvent
What does 'homogeneous' mean in relation to a mixture?
What does 'homogeneous' mean in relation to a mixture?
- The components are insoluble
- The mixture has high density
- The components form a single phase (correct)
- The components are of different phase
What is one important parameter of a solution?
What is one important parameter of a solution?
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When is the term 'aqueous solution' used?
When is the term 'aqueous solution' used?
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Study Notes
Definition of Solute
- A solute is a substance that is dissolved in a solution, typically in a lesser amount compared to the solvent.
Solvent-Driven Particle Interaction
- A solvent pulls solute particles apart and surrounds them when the solute particles are attracted to the solvent molecules, often due to interactions like hydrogen bonding, ion-dipole attractions, or van der Waals forces.
Homogeneous Mixtures
- 'Homogeneous' refers to a type of mixture where the components are uniformly distributed, meaning that the composition is the same throughout. Examples include saltwater and air.
Important Parameter of a Solution
- Concentration is a critical parameter, indicating the amount of solute present in a given volume of solvent, affecting the solution's properties and reactions.
Aqueous Solution Terminology
- The term 'aqueous solution' denotes a solution in which water is the solvent. It is commonly used in chemistry to describe reactions and dissolutions occurring in a water medium.
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