4. Calculate the freezing point of a 0.5 m solution of calcium nitrate in water. Ca(NO₃)₂....
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 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 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)?
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 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. (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...
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 solutions that are 1.50 Min the KCl, a strong electrolyte. (the kb for water is 0.52", kf = 1.86)
Which of the following aqueous solutions has the lowest freezing point? The Kf of water is 1.86 kg.oC/mol. a. 0.8 m CH3OH (methanol) b. 0.4 m NaCl c. 0.3 m MgBr2 d. 0.2 m AlF3 e. 0.25 m Ca(NO3)2 Calculate the freezing point ONLY for the solution you marked as your answer above.
Calculate the freezing point of a solution of 40.0 g of calcium chloride (molar mass = 110.98 g/mol), dissolved in 800. g of benzene, C6H6. Kf for benzene is 5.10oC/m and the freezing point is 5.50oC for benzene.