Summary Topic 12 - Acids and Bases

A

, acid phaser
BRONSTED -

DISSOCIATION OF WATER
LOWRY THEORY partially disociates -110=1-1++01-1
-




0 An acid is a proton kw is the ionic product of water lmotdm G) -




DONOR
• A base is a proton kw=[Ht][OH -1 at 25°C (298k)
ACCEPTOR '

[1×10-7]
Log ,j[ H ]
'
= -




0 Acid base equilibria
-




involves the movement =/ ✗ 10-14
log ,o[ 1×10-7]=
=-
7-
of protons (Ht)
pka =

log ,oKa)
-




•
No molecule canadas
abasewloutalonepar
of electrons
STRONG BASE
1-1,0++011 Rw [1-1+-1101-1]
01-120+1-1,0 pOH= log [01-1]=-10%(0-001)
-



= -



,☐

=3
acid base acid base
pkw =p H POH +


pkw =/ 4 PH -44-3=-1
,o[ Ht ] 14 pOH=pµ
pH log
-



= -




⑤ UFFE ☒ able to counteract the effect
log [0-1]=1
-



,o
of small changes
in pH .




CHSCOOH Ctbcoo + Ht }cHscoona
-




→

STRONG ACID
H+=k¥ae% logo / Ht) _=pH -




Almost
fully disoaafg
INDICATORS
•




H'
-


= moles ✗ base ✗ dissociation
-



Logo (0-001×1×1)=3
0.001M of HCl
¢
%




WEAK ACID
< ka
stronger and
-




Ra=t¥¥I=¥
I
log ,o( ✓kata] )=pH
-