Vocabulary
When lemonade powder is dissolved in water, what is the solvent?
Water
A mixture is 2 substances that can be easily _____
separated
A solution is a type of __________________
mixture
What is an example of a colloid?
Mayonnaise, whipped cream, paint
What are 2 properties we can use to separate mixtures?
Examples: size, shape, and magnetism
When baby powder is mixed with water, what is the solute?
baby powder
Give an example of a mixture
Give an example of a solution
Example: salt water
What are characteristics of a colloid?
Particles are very small and scatter light, the particles will not settle
What are 2 methods we can use to separate mixtures?
Examples: Magnets, evaporation, strainer, filter
To dilute a mixture means to make it less __________
Concentrated
What are the two types of mixtures?
Homogenous and heterogenous
solute and solvent
What is a suspension?
heterogeneous mixture of fluid and large particles that will settle ou
If you wanted to separate salt from water, what would you do?
Use evaporation
Mixtures that look the same all around are ___________
homogeneous
True or false?
All solutions are mixtures, but not all mixtures are solutions
True
How many grams of potassium nitrate are in 150g of a solution that is 22% potassium nitrate by mass?
33g
What happens to the boiling point of a solution compared to the boiling point of a pure substance?
It increases
How would you separate iron filings from sand?
Use a magnet
Mixtures that have parts that look different are _______
Heterogeneous
What is an example of a heterogenous mixture?
Examples: cereal, trail mix, salt and sand, granite
What word do we use when a solution is made less concentrated?
Dilute or dilution
What is the molarity of a .65 L solution containing 1.1 mol of NaCl?
1.7 M
What would be the best method to use to separate a mixture of sand and gravel?
A strainer