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19-04-2021
Chemistry

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If 4.50 moles of C2H6 undergoes combustion, how many moles of oxygen would it combust with?

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19-04-2021

Answer:

First balance the equation

C2H6 + 7/2O2 2CO2 +3H2O

for one mole of C2H6 there are 7/2 mole of O2 required. so for4.50 moles you require 4.50 x 7/2 = 15.75 moles of O2.

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