Raul 發表於 2004-9-9 19:34:18

都冇wor
我bio同chem都冇修 :rolleyes:
:o
唔理你 :o

kawai 發表於 2004-9-9 21:29:14

application囉 :icon101:

bobby_zamora 發表於 2004-9-9 21:40:52

passive voice :confused:
我淨係procedures先要
we need it alll

BobbyRobson 發表於 2004-9-12 12:43:55

passive voice :confused:
我淨係procedures先要
我咩都用 :icon101:

bobby_zamora 發表於 2004-9-12 15:24:06

我咩都用 :icon101:
good

BobbyRobson 發表於 2004-9-15 23:06:43

咁其實
TITRATION有咩ERROR?? :rolleyes:

bobby_zamora 發表於 2004-9-16 00:21:09

咁其實
TITRATION有咩ERROR?? :rolleyes:
....you want some human error or???

Raul 發表於 2004-9-16 07:26:08

potassium ? :icon101:
阿sir既question已經包左好多個
搞到我冇error寫
要寫areas of mprovement-多d磅 :icon101:

BobbyRobson 發表於 2004-9-16 07:29:11

....you want some human error or???
other error..
or error can't be avoided.

BobbyRobson 發表於 2004-9-16 16:29:09

仲有．
我今次做ｄｏｕｂｌｅ　ｔｉｔｒａｔｉｏｎ．
要揾ｃｏｍｐｏｓｉｔｉｏｎ　ｏｆ na2co3 同 nahco3
點計個答案加埋過咗100%??

bobby_zamora 發表於 2004-9-16 22:56:40

other error..
or error can't be avoided.
...titration dun have much....let me see
weighing error...
errors in volume measursing

bobby_zamora 發表於 2004-9-16 22:57:46

仲有．
我今次做ｄｏｕｂｌｅ　ｔｉｔｒａｔｉｏｎ．
要揾ｃｏｍｐｏｓｉｔｉｏｎ　ｏｆ na2co3 同 nahco3
點計個答案加埋過咗100%??
..oh..
holy.......double titration..
i hate it..(man u will know why in later)
.........did you use 2 indicator?

BobbyRobson 發表於 2004-9-16 23:36:34

..oh..
holy.......double titration..
i hate it..(man u will know why in later)
.........did you use 2 indicator?
yes.

bobby_zamora 發表於 2004-9-16 23:49:24

yes.
....first
did you make your calculation wrong?

Gray 發表於 2004-9-17 00:17:47

chm TAS係我人生之中最痛苦ge事~~~
宜家過左la~~~

BobbyRobson 發表於 2004-9-17 07:17:53

....first
did you make your calculation wrong?
no
almost everygroup get this kind ofresult
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