has anyone done the planning exercise for practical with OCR., I have to include "the quantities of chemicals you would use and calculations to show how you decided these quantities" i have to determine the concentration of aqueous sulphuric acid, plan 2 methods, 1's a titration, ones collecting a gas..ne1 done it last year or nething?
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as level practical exam can some1 help plsss watch
- Thread Starter
- 12-05-2004 16:09