???????%20Titrimetry

1
???????Titrimetry
2
????

• ?????????????
• ??????????????

3
?1???????
????????50mL,??????,??????100mL,?NaOH??15m
L????????0.1g,?????????????(0.05mol/L),???????????
???
4
?2???C?????
???????0.2g?????,?????????100mL????10mL???
,??????1mL,???0.1mol/L?????(???)??,????????30????
?
5
????????
6
??????
1????????????????????
2???(titration)???????????
??????,????
???????????
???????????
7
3????(????,titrant) ??????????
4?????(titrand) ???????
8
5?????????????????? 6?????????????????????? 7???
????????? ?????? 8????????????
???????
9
????????
(?)?????????
1????(?????)
2??????(?????)
3??????(???)
4????????
???????????
10
(?)???????

• ????????????????????
• ????(????)??????????????????(????),??????,???????
  ???????????????
• ?????????????
• ????????????????????,????????????????????????????
  

1?????? ????????
2?????? ???????????
3?????? ??????????
4??????????????Sn
11

• ??????????????????????,????????????,?????????????
  ???????????(?????)??????
• ??Na2S2O3?K2Cr2O7???
• ??????????????????????,???????????,??????????????
  ?
• ??KMnO4??Ca2 ?

12
?????(????)
1???
??????????
???????????
2???
13
??????????
(?)?????? c n / V ??mol
/ L
(?)??? ----??????????????????? ???T???/???
??g/mL? mg/mL
14
???????????????
T c M
15
????????????
VT ????????
100
m
?? V--?????????(mL) T--???(g/mL)
m--????(g)?
16
?3
????????????????????,??????0.4005g,
??????????????(0.1005mol/L)??, ????????????22.09mL
, ??????0.06mL????, ???1??????????(0.1mol/L)???18.
02mg??????, ????????????????
17
?4
????Vc???(5mL500mg)2mL??????,??????????,?
??(0.1016mol/L)?????,?????22.24mL,
???1???????(0.1mol/L)???8.806mg?Vc, ???????Vc????
18
???(????)???
1??????
????
2??????
19
? ???????
1????????????(????)
2???
3??????????
20
?5????????
????????0.16g?100mL???,??????,?????6mol/L?
???1mL,?????????,?????200mL????,???????,???
21
? ????(??)
1.???? ?????????????
2.??(standardization) ?????????????????????????
????????
3.???????????(??????????????????),??????
22
?6??????????????
??????????????5.6mL,?????????1000mL,???
????105?????????????????0.6g,????,???????50mL,?
?,??????????2?,?????????????????????
23
????????
1????? ???????????????????????,?????????????????0
.951.05??
24
2????????????????????????3?????3????????????????
??0.1?????????????????????0.1???????????????,?
4??????
25
????(standard substance)
1???????
(1)????????? (2)?????????? (3)??
(4)?????????(???????)


2???????
KIO3? KHP(???????)?Na2CO3??
GOBACK