What is the freezing point of a 4.00 molality Calcium Chloride?

1. What is the molality of ammonium ions in a 1.75 m solution of (NH4)3PO4? 2. What is the total molality of p?

• 1. What is the molality of ammonium ions in a 1.75 m solution of (NH4)3PO4? 2. What is the total molality of particles in the solution in question 1? 3. What is the total molality of particles in a 1.75 m solution of sugar (a covalent compound with the formula C6H12O6)? 4. Calculate the freezing point of a 0.75 m solution of Al2(CO3)3. 5. A solution is prepared by placing 72.8 g of calcium chloride in 120 g of water at 22oC. The vapor pressure of water at 22oC is 2.6 kPa. a) What is the boiling point of the solution? b) What is the freezing point of the solution? c) What is the vapor pressure of the solution? 6. A solution is prepared by placing 72.8 g of magnesium chloride in 120 g of water at 22oC. a) What is the boiling point of the solution? b) What is the freezing point of the solution?

• Answer:

  1. 5.25m 2. 7.0 m 3. 1.75 m 4. -6.95 Degrees Celcius 5.a.) 108.4 Degrees Celcius b.) -30.4 Degrees Celcius c.) 2.4 kPa 6. a.) 109.8 Degrees Celcius b.) -35.4 Degrees Celcius