Menthol is a crystalline substance with a peppermint taste and odor. When 0.966 g of menthol is dissolved in 25.0 g of cyclohexane, the freezing point of the solution is lowered by 5.15 °C. The freezing point and Kf constant for cyclohexane can be found here. Calculate the molar mass of menthol.
Menthol is a crystalline substance with a peppermint taste and odor. When 0.966 g of menthol...
Menthol is a crystalline substance with a peppermint taste and odor. When 1.45 g of menthol is dissolved in 25.0 g of cyclohexane, the freezing point of the solution is lowered by 7.74 °C. Calculate the molar mass of menthol.
Menthol is a crystalline substance with a peppermint taste and odor. When 0.705 g of menthol is dissolved in 25.0 g of cyclohexane, the freezing point of the solutionis lowered by 3.76 °C. The freezing point and Kf constant for cyclohexane can be found here. Calculate the molar mass of menthol.
methanol is a crystalline substance with a peppermint taste and odor.qhwn 1.50g of methanol is dissolved in 250g of cyclo hexane the freezing point of the a oliti ok n is lowered by 8.01C. calculate the molar mass methanol
Quinine is a natural product extracted from the bark of the cinchona tree, which is native to South America. Quinine is used as an antimalarial agent. When 1.29 g of quinine is dissolved in 25.0 g of cyclohexane, the freezing point of the solution is lowered by 3.30 ?C. The freezing point and Kf constant for cyclohexane can be found here. Calculate the molar mass of quinine.Answer should be in G/mol
Quinine is a natural product extracted from the bark of the
cinchona tree, which is native to South America. Quinine is used as
an antimalarial agent.
When 1.68 g of quinine is dissolved in 25.0 g of cyclohexane,
the freezing point of the solution is lowered by 4.31∘ C. The
freezing point and Kf constant for cyclohexane can be found
here.
Calculate the molar mass of quinine.
Solvent Formula Kf valueNormal freezing Kb value Normal boiling point (°C) 0.00 5.49...
Quinine is a natural product extracted from the bark of the cinchona tree, which is native to South America. Quinine is used as an antimalarial agent. When 3.33 g of quinine is dissolved in 25.0 g of cyclohexane, the freezing point of the solution is lowered by 8.55 "C. Look up the freezing point and Kf constant for cyclohexane in the Colligative Constants table. Calculate the molar mass of quinine. molar mass: 177.6 8/mol
When 0.49 g of a molecular compound was dissolved in 20.00 g of cyclohexane, the freezing point of the solution was lowered by 3.9 degree C. Determine the molecular mass of this compound. The molar freezing point depression constant of cyclohexane 20.4 degree C/m. (K_f = 20.4 degree C/m)
plz answer both!
Vitamin K is involved in normal blood clotting. When 1.45 g of vitamin K is dissolved in 25.0 g of camphor, the freezing point of the solution is lowered by 4.85 °C. The freezing point and Kt constant for camphor can be found here. Calculate the molar mass of vitamin K. Number g/mol Biphenyl, C12H1o, is a nonvolatile, nonionizing solute that is soluble in benzene, C6H At 25 °C, the vapor pressure of pure benzene is 100.84...
Quinine is a natural product extracted from the bark of the cinchona tree, which is native to South America. Quinine is used as an antimalarial agent. When 0.950 g of quinine is dissolved in 25.0 g of cyclohexane, the freezing point of the solution is lowered by 2.44 ∘ C. Look up the freezing point and K f constant for cyclohexane in the Colligative Constants table. Calculate the molar mass of quinine.
An unknown sample weighs 0.2436 g was dissolved in 20.0 mL of cyclohexane (density = 0.779 g/mL). The freezing point depression (∆Tf) was 2.5°C. Calculate the molar mass of the unknown substance. (Kf = 20.5 °C/m) ∆Tf = Kf m where Kf is the freezing point depression constant and m is molality. 526 g/mol 1.50 g/mol 128 g/mol 2.44 g/mol