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6. The normal boiling point of hydrogen fluoride is 19.5C and its vapor pressure at 0.0C is 359 Torr. Determine the standard enthalpy of vaporization,

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6. The normal boiling point of hydrogen fluoride is 19.5C and its vapor pressure at 0.0C is 359 Torr. Determine the standard enthalpy of vaporization, Hvap,ofHF in kJ/mol. [3 points] 7. A solution was prepared by dissolving 13.72gKOH in 75.0g water. Determine the molality of the solution and mole fraction of H2O in the solution. [4 points]

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