Homework #8 t Manipulating Theoretical, Actual, and Percent Yields 12 of 14 Ethy

Question

Homework #8 t Manipulating Theoretical, Actual, and Percent Yields 12 of 14 Ethyl butyrate, CH3 CH2 CH2 CO2CH2CHs, is an artificial fruit flavor commoniy used in the food industry for such flavors as orange and pineapple ts fragrance and taste are often associated with fresh orange juice, and thus it is most commonly used as orange fnavoring it can be produced by the reaction of butanoic acid with ethanol in the presence or an acid catalyst (H CH,CH2CH2CO,H(0)+ CHCHOH(I) CH:CH CH CO CH CHs(1)+H200) Part A Given 855 g of butanoic acid and excess ethanol. how many grams of ethyl butyrate would be syntheszed, assuming a complete 100% yeld? Express your answer in grams to three significant figures View Available Hint(s) mass of ethyl butyrate Submit to search

Explanation / Answer

From the reaction, it is clear that 1 mole of butanoic acid will yield 1 mole of ethyl butyrate (assuming 100% yield). Molecular weight of butanoic acid : 88. Therefore, moles of butanoic acid given : 8.55/88 = 0.09716. Therefore, moles of ethyl butyrate = 0.09716. Grams of ethyl butyrate = 0.09716 * 116 = 11.27 grams.

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