Title: ????:HAc-C6H6????????????:????,?????????-8?,??????????C6H664%(?????,??) (1)??C6H675%?25%????100g?20???,?????????????????????? (2)???C6H675%?25%??????-10??????,????????????
1? ? ? ?
????????????,??????!
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??6.16
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?????????????????,?????????????????!
??6.18
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2 ????HAc-C6H6????????????????,?????????-8?,?
?????????C6H664(?????,??)
(1)??C6H675?25????100g?20???,???????????????????
???
(2)???C6H675?25??????-10??????,??
??????????
???????????????????????????????? ?? (1)?C6H6?75
?,????????C6H6,?????x (100g-x)
(75-64)x (100-75)
x30.6g
?C6H6?25?,????????HAc,?????y
(100g-y) (64-25)y 25
y60.9g
3? ? ? ?
- ??6.18 ???????????????????????????,??????
- ??6.19 d??????
- ??7.4 ?????????KCl?
- ????
v
4??7.14
?????????????????????????????
??????????????????????????,???????
????
??????
???? c5.34810-5moldm-3
5? ? ? ? ? ? ? ? ? ?
- ??????????P.28
- ??????????
- ??????????P.26
- ??????????
6??1??????10-8m?,?25??????????????????????????????
??0.998103kgm-3,??????44.01kJmol-1?
?????25????????0.07197Nm-1? ???????
??????-??????
7??2???????????,?a??????,???????h,??????r,??????b?
c??????,??????????????????????
???????????, ??a?????
??b?,h/lth,??,?????????,??????,??????????
??c?,????????h//lth,??,??????????????????,??????,??
???????
8????????????????? 504??????????????,?????????,??
?? ?????504?????????kp????
t(s) 390 777 1587 3155 8
P?(mmHg) 408 488 624 779 931
?????????kp,??????,?????????,???????PA??P?,??????
??????PA?P????
??
9???????????????
(1)????t,P????????
t(s) 390 777 1587 3155
kp104 (s-1) 4.39 4.34 4.44 4.46
????
(2)????????
??????,?tln3(P8-P?)??,????????kp?
10???????????????? ????HCl????0.1moll-1,???4
8??,?????k0.0193min-1???????2L,?????0.200moll-1?
0.400moll-1?????????????????? (1)??????(2)20min
???????????(3)20min???????????
??(1)?A????,???????cA0,1 0.200?cA0,2
0.400moll-1?k0.0193min-1????????
(2)???20min??????,?cA0,1 0.200moll-1?????????
??????
11?2????????????
??cA0,2 0.200moll-1???????
(3)?t?????????xA,?
t???????????????