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chp 11- titrations

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Titrations
determine quantity and pka of acid base in mixture
Titrate acid with strongbase
Titrate base with strong acid
on
IY T.tt
ggt
0th
MolesquBoffMYmeted
titratingsalsa
WAWB 7
Excess OH
1 Before Eg Point
2 Moles Base Moles Acid pH 7.00
Excess Ht
3 AfterEg Point
I
Luivalencept
P
Equivalence
Vacid
_mine
Ka
1 BeforeBaseaddition
Ex
2 Base added before Eg point
moles HA moles OH
3 At Eq Point
4 AfterEq Point
LHA3 0
Kb
Excess OH
molesHa
PH Pka t log
HalfPoint phpka
moles A
If
AT
F
F FLY.invaaa
7
Weak Acid
TitrateweakBaseuweakAoid
Kb
I BeforeAcid Added
BO
OH
Hassle
back
page
Ht
4 AfterEgPoint
IY
Use Henderson
Ex
Ka
3 At Eg Point
f
Buffer
2 Acid AdditionBeforeEg Point
jiffy
P
Excess
gg
1
B tht
roticsystem
Al Kb
É
B buffer
44
Eaff
LEI
Ht
h
F excess Ht
Triprotic WeakAcid
fjÉÉÉ
Ijy j
BH't HIS BH
D buffer Henderson Hasslebach BÉ
EgPt 2 KaiFIX
Vacid
9Pt 1
But
Ha
HaA
HAZ
Hama
Ht Htt
Htt As
fkak.EE
e
Éj
e
Aft
LIFE
Vb
Inggistifireaaries
H Thy
Hthym
ft Thyme
now
y
Regi
read pgs 259 262
transition
range
pHrange
overcoghihanges
Indication error difference
I
AgI
is
changes colornearendpoint
pH 0.7
pH 1.7
pH2.7
R Y
101
red
y
11
orange
R
R y 3 1 10
bin color change and the true
EgPoint
EndPoint
that
bite
on
3
PrecipitationTitration7 raise
tAgt
choose indicator
yellow
equiv
point
react completely WI analyte
enoughtitrant to
observable physical change
X
pX log
Consider sol n
of 25.00 mL of 0.1 MI titrate
Lmoniter Agt w electrode
I
Agt
w
0.050MAgt
AgIcs
K
Isp
1.2Elle
g
AgILS F Agt I
Ksp Agt
g
reacts completely
bl k
iii litigant
IIIT
number
V210.05 M
10.0254101 M
meansbasically
insoluble
I
VEEy Pt 50mL
Eg Point
1 Before
excess
nearly all added Agt I
I
Agt
YI WEE
AGI
1.45 E 15M
0.05714 M
889310
Add 10.0mL of Agt solin
Moles
I
100252710.1M
I I rationMY
0.05M 0.002moles I
0.014
initial
Agtadded
Ingles
2 Reach Equivalence Point
Agt I
AGIis
Agt I
AgIes
Agt
3 After Eg Point
Excess Agt
I
195
Va
IT
Ksp
X2
Agt
9IE 9
192nd DerivativePlots
excess
payt
IT
KspLAST
IT
Et
II
maximum
IF
ZeroPt
I
ng
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