2. An aqueous solution of ethanol, C2H5OH, is 19.00% ethanol by mass and has a density of 0.9700 g mL-1. Calculate the molality of the ethanol solution. a. 4.000 m b. 4.124 m c. 4.252 m d. 5.092 m e. 14.48 m
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00% ethanol by mass. This means that in 100 g of the solution, there are 19.00 g of ethanol. The molar mass of ethanol (C2H5OH) is approximately 46.07 g/mol. So, in 19.00 g of ethanol, there are 19.00 g / 46.07 g/mol = 0.412 mol of ethanol. The remaining mass of Show more…
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