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Chemistry: Post your doubts here!

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Alright then....no answer :/
Assalamu 'Alaykum...see u guys in the bio thread then inshAllah...i dnt take phy...:/
 
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could any one give suggestion about how to get through molar calculation in chemistry 33

2 mole equations ===> moles = concentration * valume
moles = mass/Mr

the ans of the previous question is always used in the next ques.
so, relate the previous ans to find the new quantity... all the best!
(y)
 
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Asalam-o-Alaikum!
Can anyone please explain how to do 1 f. in this paper http://papers.xtremepapers.com/CIE/...d AS Level/Chemistry (9701)/9701_w06_qp_3.pdf?
I have the values for the previous sections:
On page two, 'volume of FA 1 run into the flask / cm3' my value was 34.4 cm3
then at the bottom of page two, volume of FA5 that reacted with 25.0 cm^3 was 34.85cm^3
and I calculated e) which is 0.098 mol dm^3
so using these values could you please explain how to do the f part?
Thanks a bunch! :)
 
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