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the perfect titre......!!!!!

THE PERFECT TITRE IS approx 28.8, this is the correct titration for those whose centres followed the procedure properly!!!!!!!! :Bravo: :crazy:
- EmptyAxis
- Post #56
- May 15, 2011
- Forum: A-Levels
E
Desperate help in Chemistry 9701 paper 5

if u construct a straight line passing through the origin that point would be on the line!!!!!
- EmptyAxis
- Post #24
- Apr 21, 2011
- Forum: A-Levels
E
Desperate help in Chemistry 9701 paper 5

what a coincedence i was doin this paper too today!!! im still not sure if this is the correct way x axis - mass CuO residue y axis - mass of basic carbonate so gradient = use value of student 1 = 0.6/0.87 = 20/29 so 20/29 = 2(63.5+16)/(221+18x) solve for x = 0.53055555 approx = 0.5
- EmptyAxis
- Post #21
- Apr 21, 2011
- Forum: A-Levels
E
XtremePapers Contest 2010 - 2011!

A-Level APPLICATION BOOKLET 4 Chemistry, Physics, Biology. ---ADMIN EDIT--- Submission declined. Reason: Official Document.
- EmptyAxis
- Post #592
- Mar 7, 2011
- Forum: Announcements

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