Sour

PH of Salts

Strong Acid

and

Weak Base

e.g:

NH4Cl

Weak Acid

and

Strong Base

e.g:

CH3COONa

Weak Base

and

Weak Acid

e.g:

CH3COONH4

Strong Base

and

Strong Acid

e.g:

NaCl

PH=7

[H+]=

Kw.Ka/Kb

Kw Cs/Kb

Kw.Ka/Csalt

pH= - log[H+]

pH= -log[H+]

Acid

Base

OH-

H+

pH>7

pH<7

Sour Taste

Bitter Taste

PH of Acid and Base

Strong Base,

e.g:

NaOH,KOH

Strong Acid,

e.g:

HCL,HNO3,H2SO4

Weak Base

e.g:

NH4OH

Weak acid

e.g:

CH3COOH

[H+]=

Ka[Acid]

[OH-]=

Kb[Base]

[Acid]=[H+]

PH=-Log[H+]

[Base]=[OH-]

POH=-log[OH-]

PH=-log[H+]

Jilbert lewis

1875-1946

Lewis's theory, Gilbert Newton Lewis, is an American chemist, introduced a new concept of acids and bases

Done By:

Amal al-mosbahi

Roaa masri

Sour

Citric Acid

C6H8O7

søren peder lauritz sørensen

1868-1939

Acetic Acid

CH3COOH

Oxalic Acid

H2C2O2

Tartaric Acid

C6H6O6

Savant Arrthenius

1859-1927

Arrhhenius theory,In 1884 the Swedish scientist Svant Auguste Erhenius introduced a theory of acids and bases

Thomas lowry

1874-1936

johannes nicolaus

1879-1947

Bronsted and Lowry theory ,In 1923, Johannes Bernstein and Thomas Martin Laurie introduced another theory of acids and bases.