Chemistry, 08.10.2021 03:00, rina62

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 oxy...