5.97 g of fluorene is added to 0.250 kg of benzene and it was found that the freezing point of benzene decreased by 0.737 °C. What is the experimental molar mass of fluorene? K of benzene = 5.12 K∙ kg/mol, van’t Hoff factor of fluorene = 1. ___ g/mol

The table below shows a comparison of the different gas laws. some cells have been left blank. name variables constants equation boyle's law pressure, volume ? pv = k charles’s law volume, temperature ? v = kt ? temperature, pressure volume, moles of gas p = kt ? pressure, temperature, volume ? which are assumed to be constant while using the combined gas law? 1. pressure 2. number of moles 3. volume and moles of gas 4. pressure and temperature