4.5 Solutions & Dilutions

Question 1

Define Standard solution

Answer 1

Solution w/ accurate known concentration

Question 2

What is the process for preparing a standard solution?

Answer 2

– calibrated balances for determining mass of solute
– pipette for volumetric flasks for measuring accurate volumes

Question 3

Volumetric flask purpose

Answer 3

used to measure precisely one specific volume of liquid

Question 4

What is the dilution factor?

Answer 4

Initial volume of solution divided by final total volume of solution

Question 5

A method of finding concentration

Answer 5

Initial(initial V divided by final V)

Question 6

Dilution also occurs when two solutions are __

Answer 6

combined

Question 7

Define satured solution

Answer 7

Solution at maximum concentration in which no more solute will dissolve

Question 8

What is the solubility of a substance?

Answer 8

– specific maximum concentration
– AKA concentration of a saturated solution of that solute in a particular solvent at a particular temperature

Question 9

The ability of a solvent to dissolve a solute depends on the __

Answer 9

forces of attraction b/w particles