Answer to Question #71998 in General Chemistry for Michelle

General Chemistry

Question #71998

When 178.0 g of ethylene (c2h4) burns in oxygen to give carbon dioxide and water, how many grams of CO2 are formed

Expert's answer

C2H4 + 3O2 = 2CO2 + 2H2O

n(C2H4) = 178.0g/28g/mol = 6.36 mol.
n(CO2) = 6.36 mol*2 = 12.72 mol
m(CO2) = 12.72mol*44g/mol = 560 g

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