Answer the following question: Ethanol, C2H5OH, is considered clean fuel because it burns in oxygen to produce carbon dioxide and water with few trace pollutants. If 500.0 g of H2O are produced during the combustion of ethanol, how many grams of ethanol were present at the beginning of the reaction? When answering this question include the following: -Have both the unbalanced and balanced chemical equations.
-Explain how to find the molar mass of the compounds.
-Explain how the balanced chemical equation is used to find the ratio of moles (hint: step 3 in the video).
-Explain how many significant figures your answer needs to have.
The numerical answer
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