Problem: Be sure to answer all parts.Potassium nitrate decomposes on heating, producing potassium oxide and gaseous nitrogen and oxygen: 4KNO3 (s) → 2K2O (s) + 2N2 (g) + SO2 (g) To produce 76.3 kg of O2, how many (a) moles of KNO3 must be heated? (b) grams of KNO3 must be heated? 

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Be sure to answer all parts.

Potassium nitrate decomposes on heating, producing potassium oxide and gaseous nitrogen and oxygen: 

4KNO3 (s) → 2K2O (s) + 2N2 (g) + SO2 (g) 

To produce 76.3 kg of O2, how many 

(a) moles of KNO3 must be heated? 

(b) grams of KNO3 must be heated? 

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