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May 27, 2015

Homework Help: chem

Posted by rebekah on Saturday, October 6, 2012 at 8:22pm.

The complete combustion of octane, C8H18, the main component of gasoline, proceeds as follows.
2 C8H18(l) + 25 O2(g) 16 CO2(g) + 18 H2O(g)

Octane has a density of 0.692 g/mL at 20C. How many grams of O2 are required to burn 26.5 gal of C8H18?

i got 1.22e5 but it is wrong

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