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SCH3U > Unit 4: Solutions > Flashcards

Unit 4: Solutions Flashcards

1
Q

solution

A

homogeneous mixture of solvent and one
or more solutes

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2
Q

solvent

A

substance that has other substances
dissolved in it

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3
Q

Solute

A

substance that is dissolved in solution

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4
Q

variable composition

A

different ratios of solvent to
solute are possible

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5
Q

miscible

A

substances that are soluble in each other in
any proportion

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6
Q

immiscible

A

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

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7
Q

solubility

A

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

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8
Q

soluble

A

> 1g / 100 mL

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9
Q

insoluble

A

< 0.1 g / 100 mL

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10
Q

slightly soluble

A

0.1 g - 1 g

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11
Q

rate of dissolving

A

speed at which solute
dissolves in solvent

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12
Q

intermolecular forces

A

forces between molecules

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13
Q
A
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14
Q

dipole moment

A

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

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15
Q

dipole-dipole attraction

A

intermolecular force
between opposite charged ends of 2 polar
molecules

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16
Q

hydrogen bonding

A

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

17
Q

ion-dipole attractions

A

ion + polar molecules

18
Q

hydrated ion

A

ion in aqueous solutions

19
Q

electrolyte

A

solute that conducts current in aqueous solution

20
Q

non-electrolyte

A

solute that does not conduct current in aqueous solution

21
Q

factors affecting rate of dissolving

A

temperature, agitation, particle size

22
Q

factors affecting solubility

A

molecule size, temperature, pressure

23
Q

concentration

A

solute/solvent

24
Q

m/v%

A

g solute / 100 mL solution

25
Q

m/m %

A

m solute/m solution

26
Q

v/v%

A

v solute/v solution

27
Q

ppm

A

m solute/m solution * 10^6

28
Q

ppb

A

m solute/m solution * 10^9

SCH3U (3 decks)

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