Potassium nitrate decomposes on heating, producing potassium oxide and gaseous nitrogen and oxygen: 4KNO3(s) ? 2K2O(s) + 2N2(g) 5O2(g) Note: Reference the SI prefixes table for additional information. Part 1 of 2 How many moles of KNO3 must be heated to produce 34.7kg of O2? Be sure your answer has the correct number of significant figures. Part 2 of 2 How many grams of KNO3 must be heated to produce 34.1kg of O2? Be sure your answer has the correct number of significant figures.

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

4 KNO_{3} (s) ? 2 K_{2} O (s) + 2 N_{2} (g) + 5 O_{2} (g)

Note: Reference the SI prefixes table for additional information. Part 1 of 2 How many moles of

KNO_{3}

must be heated to produce

34.7 kg

of

O_{2}

? Be sure your answer has the correct number of significant figures.

mol

Part 2 of 2 How many grams of

KNO_{3}

must be heated to produce

34.1 kg

of

O_{2}

? Be sure your answer has the correct number of significant figures. g

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