IGCSE/GCSE/O & A Level/IB/University Student Forum

Qualification => Subject Doubts => GCE AS & A2 Level => Sciences => Topic started by: 123 on October 04, 2009, 07:09:44 am

Title: CIE AS level practical chemistry-thiosulphate
Post by: 123 on October 04, 2009, 07:09:44 am

Please summarize what is to be done in this titration activity. I'm lost with the calculation part !!

I really need to understand what is been asked as this type of question will come in my exam. So please help with this QUESTION OF:

PAGE 1- http://i33.tinypic.com/13z4ll1.jpg (http://i33.tinypic.com/13z4ll1.jpg)
PAGE 2 -http://i36.tinypic.com/9sz2fs.jpg (http://i36.tinypic.com/9sz2fs.jpg)
PAGE 3 - http://i33.tinypic.com/2vwv7za.jpg (http://i33.tinypic.com/2vwv7za.jpg)

Please give me tips on the practical front.

Title: Re: CIE AS level practical chemistry-thiosulphate
Post by: nid404 on October 04, 2009, 07:30:19 am

Can you specify what exactly you don't understand.
The procedure is clearly specified....
the calculation-which one do you not understand?? It's basically all stoichiometry

Title: Re: CIE AS level practical chemistry-thiosulphate
Post by: nid404 on October 04, 2009, 07:31:35 am

check the ppt....it may help

Title: Re: CIE AS level practical chemistry-thiosulphate
Post by: Ykov on October 09, 2009, 08:55:08 am

Rawr o.o

This practical has one of the easiest calculations I've seen. Basically, all you need is strong English to do this paper and a good eye