Concentration conversions challenge - Consider the following two solutions of aqueous sulfuric acid:
If Solution A has a density of 1.769 g/mL and a mole fraction of H2SO4 of 0.500, its weight % H2SO4 is ________ and its molarity is_______ .
If Solution B has a density of 1.122 g/mL and is 4.50 molal H2SO4, then its mole fraction of H2SO4 is________ and its molarity is _______ .
Acetone has a heat of vaporization of 32.0 kJ/mol. At 18.5ºC, the vapor pressure of acetone is 166 torr. What is the normal boiling point of acetone?