he Bronsted LowryTheory Acids Bases
of
Bronstead acid protondonor Mt
Bronstead base t
proton acceptorCH
H is thought as a proton as
H has no e or no only one Pt
Lein T.fi motin ie In
loses H H30
tag hydroxiumion
ConjugatePairs
Eachacid has a conjugate base
basepaircalled conjugate pair
forms acid
acid basepairsdiffer
one H
Conjugated
bythe
the acid hasone Mtmore than base
HClcags H2Oc I Hzotags CC
cage
C A always
HCl Ci acid conjugate base gain on Ht
H2O HzOt base conjugate acid
c is always
cg
um ii It loses on at
her an H
acid.tojugatefasecazy
cascoon inciting con
Vtc.is
MBR Br meet
is
, EPH
measure on conc of H ions
ranges from 1 14
How to calculatepH
pH H
log
Calculate pH soln with H 0.25moldm 3
eg of
pH logo Mt
0.25
logo
How to convert pH back to H
Ht 10 pH
Calculate Ht ions when pH is 2
eg
P1 En
at
madm 3
at 25
Purgaeter 7 at Ht 10
7
log
i at 1 10 Fmoldm 3
H2O
Tette ton present
i Kc kw H OH value
ofkw at 25
C
8 Inicproduct kw Mt OH
since My is constant at
constanttemp we can rewrite this ofwater 1 10 7 1 10 7
units Mol2dm 6
1 1014mo12dm
of
Bronstead acid protondonor Mt
Bronstead base t
proton acceptorCH
H is thought as a proton as
H has no e or no only one Pt
Lein T.fi motin ie In
loses H H30
tag hydroxiumion
ConjugatePairs
Eachacid has a conjugate base
basepaircalled conjugate pair
forms acid
acid basepairsdiffer
one H
Conjugated
bythe
the acid hasone Mtmore than base
HClcags H2Oc I Hzotags CC
cage
C A always
HCl Ci acid conjugate base gain on Ht
H2O HzOt base conjugate acid
c is always
cg
um ii It loses on at
her an H
acid.tojugatefasecazy
cascoon inciting con
Vtc.is
MBR Br meet
is
, EPH
measure on conc of H ions
ranges from 1 14
How to calculatepH
pH H
log
Calculate pH soln with H 0.25moldm 3
eg of
pH logo Mt
0.25
logo
How to convert pH back to H
Ht 10 pH
Calculate Ht ions when pH is 2
eg
P1 En
at
madm 3
at 25
Purgaeter 7 at Ht 10
7
log
i at 1 10 Fmoldm 3
H2O
Tette ton present
i Kc kw H OH value
ofkw at 25
C
8 Inicproduct kw Mt OH
since My is constant at
constanttemp we can rewrite this ofwater 1 10 7 1 10 7
units Mol2dm 6
1 1014mo12dm
