A 3.250g sample of magnesium is burned in a container of 12.500g oxygen. What mass of oxygen gas remains unreacted after the magnesium has been completely consumed to form magnesium oxide as
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![A comparison of carbon footprints of magnesium oxide and magnesium hydroxide produced from conventional processes - ScienceDirect A comparison of carbon footprints of magnesium oxide and magnesium hydroxide produced from conventional processes - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0959652618325745-egi1091L0QJD18.jpg)
A comparison of carbon footprints of magnesium oxide and magnesium hydroxide produced from conventional processes - ScienceDirect
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