Electrolytes

Do ionic compounds completely dissove in water?

Yes

 

Strong or weak eylectolye?

Insouluable ionic compounds

Weak

Strong acids completely dissociate
Stong bases completely dissociate

NaOH

 

Strong/Week

Acid/base/ionic compound

Strong Base
Strong Acids
HCl, HBr, HI, HNO3, H2SO4
Strong Bases
NaOH
Weak electrolytes acids
HF, H2CO3, H3PO4

COOH

The H+ dissocosiates

Dissacociate
Breaks away into ions
Dissovle
Atoms get surronded
Carboxylic function group
-COOH weak acids
Weak acids and bases dissociates ____ %
10
Strong Acids and bases dissocociate ___ %
100%
Nonelectorolyes do not conduct electicity because no ions are present in the solution.
Polar covealent compounds dissolve in water to make water solution

table sugar C12H22O11

Ethanol C2H5OH

All non polar do not dissolve in H2O

Oil or Hydrocarbons C8H18

 

But they do disolve in polor like CCl4

Strong Acids

HCl

HBr

HI

HNO3

H2SO4

Weak Acids

HF
H2CO3

H3PO4

Stong Base
NaOH
Weak Base
NH3
Major Species

100% disssociate Ions

10% dissociate compound

CH3CH2OH

Alcohol

 

* does not dissociate

 

Major species = CH3CH2OH

Strong Electrolye

100% dissolve

100% dissocociate

Weak Electrolye

100% disolves

10% dissocociate

Non electrolyte

100% dissolve

0% dissocociate

pH + pOH = 14

pOH = -log [OH-] => [OH-] = 10-pOH
Kw = [H+] . [OH-] = 10-14
Acid <= pH: 1-6
Neutral <= pH: =7
Base <= pH: = 8-14

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