Definitions
Solute/Solvent
Solubility & Concentration
Mixtures
Final Jeopardy
100
Solvent
The solvent is the substance in which the solute dissolves.
100
In this image, what is the solute? (Kool-Aid or water?)
Kool-Aid
100
Why do manufacturers include concentration on their labels?
So people know how to use the product safely and effectively.
100
How might a magnet be used to separate a mixture?
You could use a magnet to pull metals from a solution.
200
Solute
The solute is the substance that dissolves.
200
In this image, what is the solvent?
The water.
200
How is concentration usually displayed on a product's label?
g/L or grams per litre.
200
What category can solutions and mechanical mixtures be placed in?
300
Solubility
Solubility describes how easily a solute will dissolve in a solvent to make a solution.
300
Solute + Solvent = _________?
Solution.
300
What is the difference between soluble and insoluble?
When a substance will dissolve in a solvent, we say that it is soluble. If a substance will not dissolve, it is said to be insoluble
300
What is an advantage of distilling water?
This includes solid particles such as salts and minerals, as well as other impurities such as bacteria and viruses.
400
Concentration
Concentration describes the amount of solute in a solution.
400
What kind of mixture is a bowl of cereal?
A mechanical mixture.
400
Hummingbirds like sugar water with a concentration of 300 g/L. When
you mix this solution, a lot of sugar tends to remain undissolved at the bottom
of the container. How can you increase the solubility?
You an increase solubility by increasing the temperature of the solvent.
400
Which graph shows the relationship between increasing temperature and solubility?
C or D.
500
Distillation
Distillation is another way to get clean water. During this process, water is boiled and the steam collected. As the steam cools, it condenses to form pure water.
500
What is the difference between a solvent and a solution?
The solute is the substance that dissolves.
The solvent is the substance in which the solute dissolves. There is usually less solute than solvent in a solution.
500
What happens to the solubility of a solute as the temperature of a solution increases?
It increases.
500
A lab technician mixes a sugar solution by dissolving 10 g of sugar in enough water to make 1 L of solution. What is the concentration of this solution?
10g/L
500
Do most solutes dissolve better in warm water or in cold water? Explain why. Feel free to use diagrams.