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- 06 Sep 2006, 14:22
- Forum: Chemistry and Labware - General
- Topic: Conservation of matter- where has it gone??
- Replies: 5
- Views: 3823
Conservation of matter- where has it gone??
HELP. Vinegar in flask, bicarb in balloon, mouth of balloon stretched over neck of flask (or soft drink bottle). Weigh. Lift balloon and let bicarb fall into flask. Whiz, fizz, reaction takes place. Note final mass. Since it is a closed system, why does it ALWAYS lose about 0.5% of the total mass du...
