Calculate vapor pressure of hexane above the solution
A solution contains naphthalene (C10H8) dissolved in hexane (C6H14) at a concentration of 13.13 % naphthalene by mass.
Calculate the vapor pressure at 25 C of hexane above the solution. The vapor pressure of pure hexane at 25 C is 151 torr.
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What mass of carbon dioxide (in {rm kg}) is produced upon the complete combustion of 18.9 {rm L} of propane (approximate contents of one 5-gallon tank)? Assume that the density of the liquid propane in the tank is 0.621 {rm g}/{rm mL}. (Hint: Begi
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Calculate [CO32- ] in a 0.025 M solution of CO2 in water (H2CO3). If all the CO32- in this solution comes from the reaction shown below, what percentage of the H+ ions in the solution is a result of the dissociation of HCO3‾?
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A sample of neon has a volume of 470 mL when it is at a pressure of 685 mmHg. What will be the volume when the pressure is increased to 1212 mmHg?
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