🤓 Based on our data, we think this question is relevant for Professor Sheagley's class at PDX.
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