SOLUTIONS?
SOLUBILTY
CONCENTRATION
IDENTIFYING COMP/SOL/COLL/SUS
VOCABULARY
100
The substance in which the solute dissolves
What is the solvent?
100
True or False: heating always increases the rate of solubility of all substances.
What is False?
100
A water sample of 2 L contains 0.0004 g of lead. What is the concentration in ppm?


What is 0.2 ppm?

100
whipped cream
What is a colloid?
100
A pure substance that cannot be separated into simpler substances by physical or chemical means.
What is an element?
200
A mixture that appears to be a single substance, where particles of 2 or more substances are distributed evenly throughout each other.
What is a solution?
200
Name 1 way that you can increase the rate of solubility of any substance.
What is stirring or crushing?
200
A student dissolves 25 g of sugar in 175 g of water. What is the mass/mass percentage?

What is 12.5% m/m?

200
corn starch and water
What is a suspension?
200
The smallest structural unit of an element or a compound.
What is a molecule?
300
A mixture in which the particles are evenly dispersed, but are not heavy enough to settle out.
What is a colloid?
300
The ability of a solute to dissolve in a substance at a certain temperature.
What is solubility?
300
When calculating the concentration of a solution you need these 2 measurements
What is the grams of solute and the ml of solvent?
300
sand and beans
What is a mixture?
300
A pure substance composed of two or more elements that are chemically combined.
What is a compound?
400
A mixture in which the solute is dispersed throoughout the solvent but is large enough to settle out.
What is a suspension?
400

A solution which concentration falls above the solubility line is said to be

What is supersaturated?

400

When calculating the concentration (m/m, v/v and m/v) of a solution, which measurement goes on the top of the formula?

What is grams and mL?

400
salt
What is a compound?
400
A mixture that acts like a solid and a liquid.
What is a complex fluid?
500
A combination of 2 or more substances that are not chemically combined.
What is a mixture?
500
An example of a solute that increases in solubility as the temperature increases?
What is sugar, salt.....
500

How many grams of Ca(OH)₂ are needed for 400 mL of a 0.25 M solution?

Molar mass Ca(OH)₂ = 74 g/mol

What is 7.4g?

500
oxygen
What is an element?
500
The solvent that is sometimes called the "Universal Solvent"
What is water?
M
e
n
u