Answer to Question #345479 in General Chemistry for Han

General Chemistry

Question #345479

How many grams of H2O will be produced by the combustion of 73.56 grams of C2H4?

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

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Expert's answer

m(H₂O) = (m( C₂H₄) • 2Mr(H₂O)) / Mr(C₂H₄)

m(H₂O) = (73.56 g • 2•18 g/mol) / 28 g/mol = 94.58 g

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