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

Qualification => Subject Doubts => GCE AS & A2 Level => Sciences => Topic started by: tmisterr on October 23, 2009, 03:33:56 pm

Title: Stoichiochemistry quesitons
Post by: tmisterr on October 23, 2009, 03:33:56 pm

hey peeps,
does anyone have any practice questions on the mole concept and stoichiochemistry for AS level? not the easy ones, the relatively challenging ones that we would expect in a past paper.

Title: Re: Stoichiochemistry quesitons
Post by: nid404 on October 23, 2009, 03:54:40 pm

Check the file attached

I'm looking for more

Title: Re: Stoichiochemistry quesitons
Post by: nid404 on October 23, 2009, 04:07:21 pm

one more......hope these help

Title: Re: Stoichiochemistry quesitons
Post by: @d!_†oX!© on October 23, 2009, 04:53:57 pm

heyy  :)
thanks nid...!!! :) :)
was really looking for smthng like this for long.....

Title: Re: Stoichiochemistry quesitons
Post by: nid404 on October 23, 2009, 05:26:05 pm

Quote from: @d!_†oX!© on October 23, 2009, 04:53:57 pm

heyy  :)
thanks nid...!!! :) :)
was really looking for smthng like this for long.....

ur welcome ;D

Title: Re: Stoichiochemistry quesitons
Post by: tmisterr on November 15, 2009, 07:38:06 am

thank you very much mayn! great help