Chemistry, 20.10.2020 08:01, rleiphart1

A reaction of heating potassium permanganate produces potassium manganate, manganese dioxide and oxygen gas.
Heat 15.8 g potassium permanganate until no more oxygen gas
is given off. The remaining material has a mass of 14.2 g. What
mass of oxygen gas was produced in the reaction? g

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A reaction of heating potassium permanganate produces potassium manganate, manganese dioxide and ox...