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18 Nov 2019
1. Vodka is advertised to be 80 proof, which is 40% by volume of ethanol, C2H5OH. Assuming the density of the solution is 1.0 g/mL and the density of ethanol is 0.789 g/mL. If the solution is at 25oC, what is the vapor pressure of water over the solution?
2. Calculate the molarity and molality of a solution of 50 grams of ethanol, C2H5OH (density = 0.789 g/mL) which is dissolved in 200 mL of water (density = 1.00 g/mL).ââ
1. Vodka is advertised to be 80 proof, which is 40% by volume of ethanol, C2H5OH. Assuming the density of the solution is 1.0 g/mL and the density of ethanol is 0.789 g/mL. If the solution is at 25oC, what is the vapor pressure of water over the solution?
2. Calculate the molarity and molality of a solution of 50 grams of ethanol, C2H5OH (density = 0.789 g/mL) which is dissolved in 200 mL of water (density = 1.00 g/mL).ââ
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