Ask an Expert: Pls Help
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Gafie wrote:How do you determine by experiment the mass of oxygen produced when a fixed mass of sodium nitrate is heated in air
There are many different ways to do this experimentally. How does the sodium nitrate change and how can you quantify that change? Can you relate a change in the physical properties (volume/mass/whatever) to the amount of oxygen released?
Sodium nitrate widely used as an explosive, so you need to be working with amounts of material and safety procedures approved by your teacher.