The Chemistry of Solutions

Question 1

solute

Answer 1

the substance being dissolved

Question 2

solvent

Answer 2

the substance we are dissolving the solute in

Question 3

solution

Answer 3

the solvent and solute mixed together

Question 4

solubility

Answer 4

the maximum amount of solute that can dissolve in a given amount of solvent

Question 5

saturated solution

Answer 5

a solution in which the maximum amount of solute has been dissolved

Question 6

the solubility of solute depends on…

Answer 6

the identity of both the solute and the solvent

Question 7

precipitation

Answer 7

the process by which a solid solute leaves a solution and turns back to solid phase

Question 8

solubility of solids

Answer 8

increases with higher temperature

Question 9

solubility of liquid

Answer 9

is not affected by temperature

Question 10

solubility of gases

Answer 10

increases in lower temperatures and higher pressures

Question 11

exothermic

Answer 11

releases heat and heats up surroundings

Question 12

endothermic

Answer 12

absorbs heat and cools down surroundings

Question 13

molality formula

Answer 13

moles of solute / # kg of solvent

Question 14

molality vas molarity

Answer 14

molality: solute/solvent
molarity: solute/total volume of the solution

Question 15

freezing point depression

Answer 15

change in T = -i • Kf • m

Question 16

boiling point elevation

Answer 16

change in T = i • Kb • m