Each flask contained 100 ml of water, measured with a graduated cylinder, and 2 grams of yeast. One flask also had 10 grams of sugar added to the flask. Both were allowed to sit and be kept warm until a reaction could occur. These photos are the "after" photos. When set up both flasks looked like the flask without sugar.
Data:
Starting mass with sugar = 226 g, ending mass with sugar = 225 g
Starting mass without sugar = 198 g, ending mass without sugar = 198 g
This is the lab set up with the flask without sugar on the scale
This is the flask without sugar added
This is the flask with sugar added to the yeast and water
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