PC\|MAC

WS 4.3 Stoichiometry part 1. 1.a) 3.82 mol O2 x (4 mol Na/ 2 mol O2) = 7.64 mol Na. b) 13.5 mol Na x (2 Na2O/ 4 mol Na) = 6.75 mol Na2O. c) 34.7g Na2O x (1 mol Na2O/ 61.98g) x (1 mol O2/ 2 mol Na2O) = 0.28 mol O2. 2.a) 0.624 ml O2 x (2 mol CO2/ 3 mol O2) = 0.42 mol CO2. b) 3.7 mol H2O x (1 mol C2H4/ 2 mol H2O) x (28.06g C2H4/ 1 mol C2H4) = 51 ... ................
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