Straight-chain, saturated carboxylic acids, a class of hydrocarbons, has the general formula CH20+1COOH where n is an integer than ranges from 1 to 18. What would be the %C by mass if n = 8? Atomic weights: C=12.01, H=1.01, O=15.99. Input values only with 2 decimal places. Do not include the units.

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