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ar
ent we discussing nov 12 v3?Hope you can see it now
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ent we discussing nov 12 v3?Hope you can see it now
nope.. grams onlydo we have
to convert the mass of solid from g--->to kg??? sorry if im bothering alot,(extremely confused private candidate)
https://www.xtremepapers.com/community/attachments/screen-shot-2013-05-07-at-9-16-31-pm-png.25142/i just set up a round buttom flask and a outlet but could not seperately collect the two gases!!! i am also worried about the question
we're taking the 10 cm3 of water layer and 25.0 cm3 of ehtre layer as the vol of succinic acid.Can you please explain it ???
JazakAllah khair ....thanx for the help!!!When they say "step by step discription including..." then you explain the whole procedure including the points the question states.
When it says "step by step discrip. by decribing how..." then you only describe the points mentioned.
How will i do such question in exam !!we're taking the 10 cm3 of water layer and 25.0 cm3 of ehtre layer as the vol of succinic acid.
we know that the no of mole of NaOH=2 x no of mol of succinic acid.
because NaOH has one OH gp and succinic acid has two.
so,
Mol of NaOH= 0.1 x B = 0.1B
Mole of succinic acid in water layer = D x 10 = 10D
so 0.1B= 2(10D)
D = 0.1/20 B
get it?
Thats to find the concentration yea?we're taking the 10 cm3 of water layer and 25.0 cm3 of ehtre layer as the vol of succinic acid.
we know that the no of mole of NaOH=2 x no of mol of succinic acid.
because NaOH has one OH gp and succinic acid has two.
so,
Mol of NaOH= 0.1 x B = 0.1B
Mole of succinic acid in water layer = D x 10 = 10D
so 0.1B= 2(10D)
D = 0.1/20 B
get it?
Why did you multiply NaOH with 0.1 & D with 10
Don't worry, read my explanation and try yourself.How will i do such question in exam !!
yep.Thats to find the concentration yea?
same dbto and oct/nov 2009 Q1) d) how are we supposed to vary the range of concentrations, because whenever i am converting it to the voume of the soltion needed i keep getting volumes exceeding 30 cm^3 and what on earth are we supposed to calculate [diacid] and [monoacid]
are u sure ur asking the right question from the right year? Part 1 d of w08 is not abt the gradient...http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Chemistry (9701)/9701_w08_qp_5.pdf
Part 1d anybody?
what does the gradient represent
o and oct/nov 2009 Q1) d) how are we supposed to vary the range of concentrations, because whenever i am converting it to the voume of the soltion needed i keep getting volumes exceeding 30 cm^3 and what on earth are we supposed to calculate [diacid] and [monoacid]
Good question We didn't get through that one eithersame dbt
JazakAllah for the reply sis but what to do about this question then ?Good question We didn't get through that one either
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