Unit 4: Solutions

Question 1

solution

Answer 1

homogeneous mixture of solvent and one
or more solutes

Question 2

solvent

Answer 2

substance that has other substances
dissolved in it

Question 3

Solute

Answer 3

substance that is dissolved in solution

Question 4

variable composition

Answer 4

different ratios of solvent to
solute are possible

Question 5

miscible

Answer 5

substances that are soluble in each other in
any proportion

Question 6

immiscible

Answer 6

substances that do not readily dissolve
in each other (ex. Oil and water)

Question 7

solubility

Answer 7

amount of solute that dissolves in a
given quantity of solvent at a specific
temperature.

Question 8

soluble

Answer 8

> 1g / 100 mL

Question 9

insoluble

Answer 9

< 0.1 g / 100 mL

Question 10

slightly soluble

Answer 10

0.1 g - 1 g

Question 11

rate of dissolving

Answer 11

speed at which solute
dissolves in solvent

Question 12

intermolecular forces

Answer 12

forces between molecules

Question 14

dipole moment

Answer 14

distribution of
molecular charge between 2 opposite charges
separated by short distance

Question 15

dipole-dipole attraction

Answer 15

intermolecular force
between opposite charged ends of 2 polar
molecules

Question 16

hydrogen bonding

Answer 16

strong intermolecular
attraction between molecules containing H bonded to
atom of highly EN element

Question 17

ion-dipole attractions

Answer 17

ion + polar molecules

Question 18

hydrated ion

Answer 18

ion in aqueous solutions

Question 19

electrolyte

Answer 19

solute that conducts current in aqueous solution

Question 20

non-electrolyte

Answer 20

solute that does not conduct current in aqueous solution

Question 21

factors affecting rate of dissolving

Answer 21

temperature, agitation, particle size

Question 22

factors affecting solubility

Answer 22

molecule size, temperature, pressure

Question 23

concentration

Answer 23

solute/solvent

Question 24

m/v%

Answer 24

g solute / 100 mL solution

Question 25

m/m %

Answer 25

m solute/m solution

Question 26

v/v%

Answer 26

v solute/v solution

Question 27

ppm

Answer 27

m solute/m solution * 10^6

Question 28

ppb

Answer 28

m solute/m solution * 10^9