MISSED THIS? Watch KCV 13.6, IWE 13.8, IWE 13.9; Read Sections 13.6, 13.7. You can click on the Review link to access the section in your eText.
Calculate the freezing point and boiling point of each aqueous solution, assuming complete dissociation of the solute. Water has a Kf value of 1.86°C/m and a Kb value of 0.512°C/m.
Part C
Calculate the freezing point of the solution containing 25.1g of CuCl2 in 4.80 x 10^2g of water. Express your answer in degrees Celsius to two decimal places.
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X Incorrect; Try Again; 9 attempts remaining Calculate the concentration in molality as the moles of solute divided by the mass of solvent in kg. Then calculate the freezing-point depression (ΔTf) using the following equation:
ΔTf = im x Kf
Where i is the van't Hoff factor, m is the molality of the solution, and Kf is the freezing-point-depression constant for the solvent. Finally, subtract the freezing-point depression from the freezing point of the pure solvent to calculate the freezing point of the solution.
Part D
Calculate the boiling point of the solution containing 25.1g of CuCl2 in 4.80 x 10^2g of water.
Express your answer in degrees Celsius to three decimal places.
√(√)AΣφ
A.Ñ„
?
boiling point =
°C
MISSED THIS? Watch KCV 13.6, IWE 13.8, IWE 13.9; Read Sections 13.6, 13.7. You can click on the Review link to access the section in your eText.
Part C
Calculate the freezing point of the solution containing 25.1g of CuCl in 4.80g of water. Express your answer in degrees Celsius to two decimal places.
Calculate the freezing point and boiling point of each aqueous solution, assuming complete dissociation of the solute. Water has a Kf value of 1.86°C/m and a Kb value of 0.512°C/m.
AE
freezing point=
Submit
Previous Answers Request Answer
X Incorrect; Try Again; 9 attempts remaining Calculate the concentration in molality as the moles of solute divided by the mass of solvent in kg. Then calculate the freezing-point depression using the following equation ΔT = imK where i is the van't Hoff factor, m is the molality of the solution, and K is the freezing-point-depression constant for the solvent. Finally, subtract the freezing-point depression from the freezing point of the pure solvent to calculate the freezing point of the solution.
Part D
Calculate the boiling point of the solution containing 25.1g of CuCl in 4.80g of water. Express your answer in degrees Celsius to three decimal places.
AVO
C
boiling point=
°C