Units 12-14: The Nature and Properties of Solutions

Question 1

Define a Solution.

Answer 1

A homogenous mixture of substances composed of at least one solute and one solvent.

Question 2

Define Solute.

Answer 2

A substance that is dissolved, such as NaCl (salt).

Question 3

Define Solvent.

Answer 3

The medium in which a solute is dissolved, such as H2O (water).

Question 4

Define Homogenous Mixture.

Answer 4

A mixture that appears as one substance.

Question 5

Define Heterogeneous Mixture.

Answer 5

A mixture that has particles large enough to block or scatter light waves.

Question 6

What is the solvent of all aqueous solutions?

Answer 6

Water, my dude.

Question 7

What 2 groups can compounds but classified into? Define them.

Answer 7

· Electrolytes = If their aqueous solutions conduct electricity.
· Nonelectrolytes = If their aqueous solutions do not conduct electricity.

Question 8

Define Acids.

Answer 8

Molecular compounds in their pure form but in aqueous solution. They conduct electricity.