How many grams of octane must be burned

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Reference no: EM13537827

How many grams of octane must be burned to release 531.6kcal kcal ?
express in 3 significant figures?
During the combustion of 5.00 g {rm g} of octane, C 8 H 18 {rm C}_{8}{rm H}_{18}, 239.5 kcal rm kcal (1002 kJ rm kJ) is released.

Reference no: EM13537827

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