Chem寫report.

Raul

[QUOTE=CYBASTER]都冇wor
我bio同chem都冇修 [/QUOTE]

唔理你

kawai

application囉

bobby_zamora

[QUOTE=Sol Campbell]passive voice
我淨係procedures先要[/QUOTE]
we need it alll

BobbyRobson

[QUOTE=Sol Campbell]passive voice
我淨係procedures先要[/QUOTE]
我咩都用

bobby_zamora

[QUOTE=BobbyRobson]我咩都用 [/QUOTE]
good

BobbyRobson

咁其實
TITRATION有咩ERROR??

bobby_zamora

[QUOTE=BobbyRobson]咁其實
TITRATION有咩ERROR?? [/QUOTE]
....you want some human error or???

Raul

potassium ?
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

BobbyRobson

[QUOTE=bobby zamora]....you want some human error or???[/QUOTE]
other error..
or error can't be avoided.

BobbyRobson

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

[QUOTE=BobbyRobson]other error..
or error can't be avoided.[/QUOTE]
...titration dun have much....let me see
weighing error...
errors in volume measursing

bobby_zamora

[QUOTE=BobbyRobson]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%??[/QUOTE]
..oh..
holy.......double titration..
i hate it..(man u will know why in later)
.........did you use 2 indicator?

BobbyRobson

[QUOTE=bobby zamora]..oh..
holy.......double titration..
i hate it..(man u will know why in later)
.........did you use 2 indicator?[/QUOTE]
yes.

bobby_zamora

[QUOTE=BobbyRobson]yes.[/QUOTE]
....first
did you make your calculation wrong?

Gray

chm TAS係我人生之中最痛苦ge事~~~
宜家過左la~~~

BobbyRobson

[QUOTE=bobby zamora]....first
did you make your calculation wrong?[/QUOTE]
no
almost everygroup get this kind of  result