For the reaction C2H4 + O2 -> CO2 + H2O, suppose 18 moles of C2H4 reacted and yo

Question

For the reaction C2H4 + O2 -> CO2 + H2O, suppose 18 moles of C2H4 reacted and you wanted to know how many moles of CO2 would result. Which ratio should be used?
A) 1 mole C2H4/1 mole CO2 B) 1 mole CO2/2 moles C2H4 C) 18 moles C2H4/1 mole CO2 D) 2 moles CO2/1 mole C2H4 For the reaction C2H4 + O2 -> CO2 + H2O, suppose 18 moles of C2H4 reacted and you wanted to know how many moles of CO2 would result. Which ratio should be used?
A) 1 mole C2H4/1 mole CO2 B) 1 mole CO2/2 moles C2H4 C) 18 moles C2H4/1 mole CO2 D) 2 moles CO2/1 mole C2H4
A) 1 mole C2H4/1 mole CO2 B) 1 mole CO2/2 moles C2H4 C) 18 moles C2H4/1 mole CO2 D) 2 moles CO2/1 mole C2H4

Explanation / Answer

The balanced reaction is

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

Thus from stoichiometry ration to be used is:

D) 2 moles CO2/1 mole C2H4

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