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MISSED THIS? Watch IWE: Obtaining an Empirical Formula from Experimental Data ; Read Section 3.10. You can click on the Review link to access the section in your eText. Calculate the empirical formula for each of the following natural flavors based on their elemental mass percent composition. Methyl butyrate (component of apple taste and smell): 58.80%C,9.87%H, and 31.33%O. Express your answer as a chemical formula. Vanillin (responsible for the taste and smell of vanilla): 63.15%C,5.30%H, and 31.55%O. Express your answer as a chemical formula