Qualification > Sciences
IG Chemistry Paper 3 discussion
sweetie:
--- Quote from: Shogun on June 02, 2009, 04:17:05 pm ---By the way to make an ester, u must write
carboxylic/ carboxylic gourp / or at least COOH AND hydroxyl/hydorxyl group/alcohols or atleast Oh
--- End quote ---
isnt it dicarboxylic or diol?????
sweetie:
--- Quote from: notty_me on June 02, 2009, 04:17:28 pm ---i got this tooooooo
but how do we no wats da valency of T?????????/
--- End quote ---
plzzzzzzzzzz i need a reply
thanx
Kim:
i wrote t3(po4)2
meaning my T valency was 2 because in the graph the height of the precipitate was twice the height of the volume so i wrote 2 many in my skul did dat
Shogun:
thts for u to guess, we dont know.
this is what the question ask, the question in short says what is the valency of metal T, and u will only get the formula if u know the valency of T, but to get it, its for u to find out...
i got mine as 1 others got 2...
hdbkiwi:
--- Quote from: kim on June 02, 2009, 04:47:56 pm ---i wrote t3(po4)2
meaning my T valency was 2 because in the graph the height of the precipitate was twice the height of the volume so i wrote 2 many in my skul did dat
--- End quote ---
yeeees-I got the same as you!: )
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