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2. The alcohol in "gasohol" burns according to the following equation.

C2H6O + 3 O2 → 2 CO2 + 3 H2O

(a) If 12.3 moles of ethyl alcohol burns this way, how many moles of oxygen are needed?

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keijosalonen

Answer: 36.9 moles

Explanation: According to reaction equation, amount of Oxygen

moles are three times of amount of ethanol.

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