Answer Happy

A Freezing Point of Cyclohexane (Solvent) 1 Atp = kr (moles) ug sow? 2 5.0°C Mass of beaker, test tube (9) 131.8189 Freezing point, from cooling curve ("C) Instructor's approval of graph Freezing Point of Cyclohexane plus Unknown Solute 3 B Unknown Solute No. Spiderman Trial 1 Trial 2 Trial 3 1 2 Mass of beaker, test tube, cyclohexane 132.939 132.939 (9) Mass of cyclohexane (9) 3 Tared mass of added solute (9) Freezing point, from cooling curve (°C) 3.6°C 2.2°C 5 Instructor's approval of graph 1.121 0.179 1.121 0.177 4 Calculations TI T2 T3 1 (20 for cyclohexane) A 3 k for cyclohexane (pure solvent) (*C-kg/mol) 2 Freezing point change. AT, (°C) Mass of cyclohexane in solution (kg) 4 Moles of solute, total (mol) 5 Mass of solute in solution, total (g) Molar mass of solute (g/mol) 7 Average molar mass of solute (g/mol) 8 Standard deviation (g/mol) 6 9 Relative standard deviation of molar mass (%RSD)