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23-08-2022
Chemistry

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Potassium nitrate decomposes on heating, producing potassium oxide and gaseous nitrogen and oxygen:
4KNO₃(s) → 2K₂O(s) + 2N₂(g) + 5O₂(g)
To produce 56.6 kg of oxygen, how many
(a) moles of KNO₃

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