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Caproic acid contains carbon, hydrogen and oxygen

Chemistry

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Caproic acid contains carbon, hydrogen and oxygen. Combustion analysis of a 0.450g caproic acid sample gives 0.418g of water and 1.023g carbon dioxide. Find the empirical formula of caproic acid. Show work in detail.

If molecular mass of caproic acid is 116.2 amu, what is the molecular formula?