unit 14

Question 1

what is a solution

Answer 1

a homogenous mixture of two or more substances in relative amounts that can be varied continuously up to what is called the limit of solubility

Question 2

equation for molarity

Answer 2

molarity= number of moles of solute / liters of solution

m= n/V

Question 2

aqueous

Answer 2

this means dissolved in water

Question 3

heterogeneous

Answer 3

a mixture that does not have uniform compisition

Question 4

pure substance

Answer 4

an element or compound

Question 5

suspension

Answer 5

what separates into multiple layers

Question 6

colloids

Answer 6

clouds, milk, fog

Question 7

homogeneous

Answer 7

a mixture with uniform composition

Question 8

solution

Answer 8

a solute dissolves in a solvent

Question 9

alloy

Answer 9

mixture of metals

Question 10

mixture

Answer 10

multiple pure substances

Question 11

chromatography

Answer 11

separates substances based on their size and polarity

Question 11

distillation

Answer 11

separates substances based on their boiling points

Question 12

filtration

Answer 12

seperates a liquid from a solid (left with pure liquid)

Question 13

decanting

Answer 13

separates a liquid from a solid (usually a suspension with solid on the bottom)

Question 14

crystallization

Answer 14

separates a solid from a liquid (you get pure solid)

Question 15

solute

Answer 15

A substance that is dissolved in a solution

Question 16

solvent

Answer 16

substance (molecule) with the ability to dissolve other substances (solutes) to form a solution