dijous, 29 de maig del 2008


WORKSHEET 9


Last day we make soup with reciclate oil.

We make this soup with this order.


1.- We put 25 ml of oil in one erlenmeyer add 10 ml of destilate water.


2.- We waight 4,5 g of Na OH and put on a new erlenmeyer.(erlenmeyer 2)



3.- We take 15 ml of water and put in erlenmeyer 2.



4.- We put this mix and we wait a week.