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C2H4 + 3 O2 --> 2 CO2 + 2 H2O

So 2.16 mol O2 will produce 1.44 mol H2O(and 1.44 mol CO2)

because 3:2 = 2.16 : 1.44

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Q: How many molecules of water can be produced by the reaction of 2.16 mol of oxygen with excess Ethylene.?
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