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Chemistry, 21.06.2021 20:10 chloegirl9796

a reaction of heating patassium 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?

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a reaction of heating patassium permanganate produces potassium manganate, manganese dioxide and oxy...

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