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How does the law of conservation of mass apply to this reaction C2H4 + O2 > 2H2O + 2CO2
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How does the law of conservation of mass apply to this reaction C2H4 + O2 > 2H2O + 2CO2

User Lokender Singh
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it shows mass is not created nor lost but re arranged
User Curt Tilmes
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Only the oxygen needs to be balanced. There are equal numbers of hydrogen and carbon.

User Nathan Fig
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