Organic Chemistry lab for Recrystallization of benzoic acid in distilled water?
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one-y asked:
1. We use activated charcoal in about the size of pea. What is its role in recrystallization? What happen if we add it too much??
1. We use activated charcoal in about the size of pea. What is its role in recrystallization? What happen if we add it too much??
2. Why filter funnel must be warmed before filtering the solution?
Hope u all can help..
Thanks
Madison
March 6th, 2009 at 6:32 am
1. to remove coloured impurities. Too much and your yield will go down.
2. you don’t want crystallisation to start in th funnel!