0C0S
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0
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V
00
( )( )
( )
m RCOOHn RCOOH
M RCOOH
0 ( )n RCOOH00
0
( )
( )
m RCOOHC
V M RCOOH
3
0 3
200.10
100.10 206C
3 1
0 9,7.10C molL
( ) 2 ( ) 3 ( )( )aq aq aqRCOOH H O RCOO H O
0 0C V
x x 0 0C V x x
fx fx 0 0 fC V x
fx
max
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3,17
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10
9,7.10
0,07
1
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r
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3 eq éqn H O n RCOO x3
0
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3
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C
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00
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eq
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V3
0
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0 0éqRCOOH C C
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,r éqQ2 2
0
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3 29,7.10 (0,07)
0,07K
55.10K
2( ) ( ) ( )RCOOH aq HO aq RCOO aq H O
HOBV
.i B Bn HO C V31,8.10in HO mol
n ( H O-)= 1,8 10
-3 mol : n i ( HO
-) = 3,0.10
-2 60,0.10
-3
RCOOH
( )( )
i
m RCOOHn RCOOH
M RCOOH
4( ) 9,7.10in RCOOH mol
( )i in RCOOH n HO
HORCOOH
in HOHO3H O3( )in HO n H O
.i A AEn HO C V
2 31,0.10 .27,7.10in HO
42,77.10in HO mol
HOBV2 3 in HO n HO
4
2 3 2,77.10n HO4
2 8,31.10n HO mol
HORCOOH2in HO n HO n HO
3 41,8.10 8,31.10n HO
49,7.10n HO mol
4( ) 9,7.10n RCOOH n HO mol
( )( )
i
mn RCOOH
M RCOOH
( ). ( )m n RCOOH M RCOOH 49,7.10 .206m
0,1998m g
200m mg
----------------
–
24 24
11 11
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GP f ma
G
dva
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P mg
100dv
m g v mdt
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100dv
mg v mdt
1500 100 150dv
vdt
1G( , , )R O i j 2
103
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lim15. .V m s
v = cte
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1,5s
57,5s
4V4a
210
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210
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t
t
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1i i iv v a t
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1
3 2,80 .v m s2
3 8,12 .a m s
3 2,80 8,12 0,1v1
4 3,61v ms
4 4
210
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4
210 .3,61
3a
2
4 7,59v ms