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reezing point of pure naphthalene T1 = …....oC Freezing point of solution T2 = ..…..oC Freezing point of depression from graph ΔT = .......oC Weight of naphthalene= 5,028g Weight of Sulfur= 1,011g Kf for naphthalene= 6,8 oC/m 1.Calculate the molality of the solution, m =____________

reezing point of pure naphthalene T1 = …....oC Freezing point of solution T2 = ..…..oC Freezing point of depression from graph ΔT = .......oC Weight of naphthalene= 5,028g Weight of Sulfur= 1,011g Kf for naphthalene= 6,8 oC/m 1.Calculate the molality of the solution, m =____________

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Freezing point of pure naphthalene T1 = …....oC

Freezing point of solution T2 = ..…..oC

Freezing point of depression from graph ΔT = .......oC

Weight of naphthalene= 5,028g Weight of Sulfur= 1,011g Kf for naphthalene= 6,8 oC/m

1.Calculate the molality of the solution, m =____________

 

 

 

2.Calculate the molecular weight of sulfur by using m, W1and W2

Cooling curve of pure naphthalene Cooling graph of naphthalene and sulfur mixture 100 90 80 70 60 Freezing point 73'C 75 50 40 -Temperature ) 30 70 20 10 65 100 150 200 100 200 300 400 Time, t (second) t (s) Freezing point of pure naphthalene T1 = ..°C Freezing point of solution T2 =.C Freezing point of depression from graph AT Weight of naphthalene= 5,028g Weight of Sulfur- 1,011g Kefor naphthalene= 6,8 °C/m .... .. ....°C 1.Calculate the molality of the solution, m 2.Calculate the molecular weight of sulfur by using m, Wland W2 Temperature ("C)
Transcribed Image Text:Cooling curve of pure naphthalene Cooling graph of naphthalene and sulfur mixture 100 90 80 70 60 Freezing point 73'C 75 50 40 -Temperature ) 30 70 20 10 65 100 150 200 100 200 300 400 Time, t (second) t (s) Freezing point of pure naphthalene T1 = ..°C Freezing point of solution T2 =.C Freezing point of depression from graph AT Weight of naphthalene= 5,028g Weight of Sulfur- 1,011g Kefor naphthalene= 6,8 °C/m .... .. ....°C 1.Calculate the molality of the solution, m 2.Calculate the molecular weight of sulfur by using m, Wland W2 Temperature ("C)
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