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SOLVED:The molecular weight of ethanol (CH3 CH2 OH) is 46 and its density is 0.789 g / cm^3 A. What is the molarity of ethanol in beer that is 5 % ethanol by volume? [Alcohol content of beer varies from about 4 % (lite beer) to 8 % (stout beer). ] B. The legal limit for a driver's blood alcohol content varies, but 80 mg of ethanol per 100 mL of blood (usually referred to as a blood alcohol level of 0.08 ) is typical. What is the molarity of ethanol in a person at this legal limit? C. How many
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What is the molarity of pure ethanol - that is, how many moles are present in 1 L of pure ethanol? The density of EtOH is 0.789 g/mL and the molecular weight equals 46.07 g/mol.
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The coefficient of thermal expansion of ethanol equals 1.12 × 10^(-3) K^(-1) at 20°C and 1.000 atm. The density at 20°C is equal to 0.7893 g/cm^(-3). Find the volume of 1.000 mol of ethanol at 10.00°C and 1.000 atm. The molecular weight of ethanol is 46.07 g/mol.
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SOLVED:An acid-catalyzed reaction was carried out using methyl cellosolve (2-methoxyethanol) as the solvent. When the 2 -methoxyethanol was redistilled, a higher-boiling fraction (bp 162^∘ C ) was also recovered. The mass spectrum of this fraction showed the molecular weight to be 134 . The IR and NMR spectra are shown here. Determine the structure of this compound, and propose a mechanism for its formation.
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