4. Calculate the freezing point of a 0.5 m solution of calcium nitrate in water. Ca(NO₃)₂....

Question

Question

4. Calculate the freezing point of a 0.5 m solution of calcium nitrate in water. Ca(NO₃)₂.

(Kf = 1.86 °C kg/mol; Kb = 0.51 °C kg/mol)

science chemistry

Answer 1

Answer #1

Depression in freezing point = DTE DTS = ik, m i - 3 ( Because Ca(NO3), *&+*+ 2N03) kg = 1.86 m = 0.5 → ATA = 3(1-86) (015) =

Answer 2

Similar Homework Help Questions

Calculate the boiling point of a solution of CaCl2 in water. The freezing point depression of...

Calculate the boiling point of a solution of CaCl2 in water. The freezing point depression of the same solution is -1.420 °C (kf = 1.86 °c/m, kb = 0.52°C/m).
The freezing point of water is 0.00°C at 1 atmosphere. A student dissolves 10.34 grams of...

The freezing point of water is 0.00°C at 1 atmosphere. A student dissolves 10.34 grams of calcium acetate, Ca(CH3COO)2 (158.2 g/mol), in 216.0 grams of water. Use the table of boiling and freezing point constants to answer the questions below. Solvent Formula Kb (°C/m) Kf (°C/m) Water H2O 0.512 1.86 Ethanol CH3CH2OH 1.22 1.99 Chloroform CHCl3 3.67 Benzene C6H6 2.53 5.12 Diethyl ether CH3CH2OCH2CH3 2.02 The molality of the solution is ________m. The freezing point of the solution is ___________...
a) If 1.95 mol of calcium chloride is added to 2.30 kg of water then what...

a) If 1.95 mol of calcium chloride is added to 2.30 kg of water then what is the freezing point lowering and the freezing point of the solution (Kf = 1.86 ºC/m)? b) If 0.500 mol of NaCl is added to 500 mL of water then what is the boiling point elevation and the boiling point of the solution (Kb = 0.52 ºC/m)?

calculate the freezing point of a solution of 10g of nano3 in 110g of water. kf...

calculate the freezing point of a solution of 10g of nano3 in 110g of water. kf for water is 1.86 degrees celcius kg per mol
An aqueous solution has a normal boiling point of 103 c. What is the freezing point...

An aqueous solution has a normal boiling point of 103 c. What is the freezing point of his solution? For Water Kb= 0.51 C/m and Kf= 1.86 C/, I want the answer with datels please!!
What is the freezing point of a 1.327 m aqueous solution of aluminum nitrate, Al(NO3)3? The...

What is the freezing point of a 1.327 m aqueous solution of aluminum nitrate, Al(NO3)3? The Kf of water is 1.86°C/m. ________°C

a Calculate the freezing point and the boiling point of each of the following aqueous solutions....

a Calculate the freezing point and the boiling point of each of the following aqueous solutions. (Assume complete dissociation. Assume that water freezes at 0.00°C and boils at 100.000ºC.) 0.047 m MgCl2 Kr=-1.86 °C/molal Kb =0.51 °C/molal Tf= °C Tb = °C Submit b Calculate the freezing point and the boiling point of each of the following aqueous solutions. (Assume complete dissociation. Assume that water freezes at 0.00°C and boils at 100.000°C.) 0.047 m FeCl3 Kf=-1.86 °C/molal Kb =0.51 °C/molal...
What is the freezing point of a 1.195 m aqueous solution of aluminum nitrate, Al(NO3)3? The...

What is the freezing point of a 1.195 m aqueous solution of aluminum nitrate, Al(NO3)3? The Kf of water is 1.86°C/m. Give your answer in degrees C
2. Calculate the temperature of freezing and the boiling point of a 0.030 m FeCl solution....

2. Calculate the temperature of freezing and the boiling point of a 0.030 m FeCl solution. The k of water is 0.51°C/m and the krof water is 1.86°C/m. (4 points)

- Boiling point and Freezing point Elevation Calculate the boiling point and freezing points of water...

- Boiling point and Freezing point Elevation Calculate the boiling point and freezing points of water solutions that are 1.50 Min the KCl, a strong electrolyte. (the kb for water is 0.52", kf = 1.86)