You have a chemical sealed in a glass container filled with air. The glass container has a mass of 200.0 grams and the chemical has a mass of 650 grams. The total mass of the set-up is 850 grams. The chemical is ignited by means of a magnifying glass focusing sunlight onto the reactant. After the chemical is completely burned, what is the total mass of the set-up?
2 answers
Initially the mass is 850 g. It is a sealed system. Nothing gets in or out. What MUST it weigh? Remember the conservation of mass law.
right thank you!
2 answers