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Lab Section DATA FOR COOLING CURVES Make sure all times are in minutes, not BOTH minutes and seconds! Must show all calculations and correct significant figures. Please be neat. DATA: SOLUTIONLI SOLUTION III Volume of CYCLOHEXANE (0.1mL) Density of CYCLOHEXANE Kf of CYCLOHEXANE 20.0C/ mole F.P. of pure CYCLOHEXANE(a) F.P. of SOLUTION (b) C C (data obtained from graph) (cyclohexane + unknown) (data from graph) Mass of unknown Sample 1 (c) Mass of unknown Sample 2 (d) CALCULATIONS; Remember to show the calculations. Watch significant figures. Mass of unknown (c) 9 (c+d)9 Mass of CYCLOHEXANE (Volume Density) F.P. depression ( T ) (a) - (b) C C Molality (m)=T/Kf= m m Average molar mass = Attach paper for calculations or use page 16, it needed. Beport Average Molar Mass on the cover sheet. DATA: SOLUTION I I SOLUTION II cir se Volume of CYCLOHEXANE (0.1mL) Density of CYCLOHEXANE 35.0mL Kf of CYCLOHEXANE 0.774g/mL F.P. of pure CYCLOHEXANE(a) 20.0C/ mole F.P. of SOLUTION (b) 0.00.08C0.08C (cyclohexane + unknown) Mass of unknown Sample 1 (c) 0.7740g Mass of unknown Sample 2 (d) 0,2470g