1 t L
l veryacidic 7 neutral 14 verybasic
converting Ht pH converting OH J POH
pH I log HD poiI log OH
converting pH Ht converting pot OH I
Ht 10 P OH 10 pot
finding pOH given pH hydrogen ion
pH POH 14 Ht means the same thing as H3O
pH 14 POH H1 11301
POH 14 pH
arrhenius's definition
acid substance that ionizesin aqueous solutionstoproducehydrogenion
HClin HTag Cliag
NaOHes OHiag1 NaIag
fbase substance that ionizesin aqueous solutionstoproduce hydroxideion
revised definition
acid substancethatreactsin watertoform hydroniumions
HCI H2O thot Cl
base substancethatreactsinwatertoform hydroxideions
NH
3cg H2O OH t NH 1
I
, THE ACID BASE THEORY OF BRONSTED G LOWRY
acid a substance where a hydrogen ion proton Ht is takenaway protondonor
base a substance where a hydrogen ion proton Ht can beadded protonacceptor
APPLICATION i identify eachreactant as acid or base
looses Ht
base acid ACID BASE
aCO3 112504 11203 t
caSou HN03 H2O NO3 11301
1
gets H
HCl is acid Dczit lost
ACID BASE Htcproton
HCl H2O 11301 Cl
H2O is base bcz it gained
1 Hterrotoni
H it ftp.ot.y 1 cp
Tbond
weak
thesereactions are irreversible bcz HCl G HN03 are STRONGACIDS
STRONG ACIDS dissociate 10090 onlyformions
HA H2O A t 11301 dissociation HCl 1130 Cl 1130
t reaction
strongacid
for strongacids Mak
in your beakeryou willonly have ions assumption that Itt has
acid HCl the same concentration
Hydrochloric
HCl H2O 11301 Ct HClcgi H Cl
cag gag
0.7M 0.1M 0.7M 0.7M
the molar concentration of the HCl solution is 0.7M then the 111 0.7 M
G pH 7
2