Qualification > Sciences
Chemistry Help HERE ONLY !!
evilzurg307:
--- Quote from: kam on May 31, 2009, 06:29:22 pm ---acid+base= salt + water
acid+carbonate=salt + water +carbon dioxide
as the oxide is basic
the salt is sodium benzoate
gettit?
i just hope im right
correct me if im wrong tho
--- End quote ---
Oh i see
I dint know sodium benzoate was a salt lol ;D
kam:
--- Quote from: evilzurg307 on May 31, 2009, 06:34:16 pm ---
--- Quote from: kam on May 31, 2009, 06:29:22 pm ---acid+base= salt + water
acid+carbonate=salt + water +carbon dioxide
as the oxide is basic
the salt is sodium benzoate
gettit?
i just hope im right
correct me if im wrong tho
--- End quote ---
Oh i see
I dint know sodium benzoate was a salt lol ;D
--- End quote ---
i may be wrong tho
kam:
i need help in nov 2004 q7
c)
THEIGBOY:
--- Quote from: kam on May 31, 2009, 06:40:34 pm ---i need help in nov 2004 q7
c)
--- End quote ---
number of moles of Fe2(SO4)3 = 1/40 or 0.025
number of moles of Fe2 O3 formed = 1/40 or 0.025
mass of iron(III) oxide formed = 0.025 x 160 = 4g
number of moles of SO3 produced = 3/40 or 0.075
volume of sulphur trioxide at r.t.p. = 0.075 x 25
= 1.8dm3
hope it helps
By the way guyz my rep got reduced.... may i know who did it and why????
reishamix:
hey
can sm1 plz attatch the mark scheme
fr o/n session 2003 chemistry paper 3??
:-[
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