Chemistry Stoichiometry Solution: How many moles of oxygen are formed when 58.6 g of...

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Solution: How many moles of oxygen are formed when 58.6 g of KNO 3 decomposes according to the following reaction? The molar mass of KNO3 is 101.11 g/mol. 4 KNO3(s) → 2 K2O(s) + 2 N2(g) + 5 O2(g) A. 0.290 mol O2 B. 0.580 mol O2 C. 18.5 mol O2 D. 0.724 mol O2 E. 1.73 mol O2