Question

In: Chemistry

At 25ºC the osmotic pressure of an aqueous CaCl2 solution is 9545.4 torr; the solution has...

At 25ºC the osmotic pressure of an aqueous CaCl2 solution is 9545.4 torr; the solution has a density of 1.71 g/mL. Calculate the new boiling point of this solution in Celsius. Assume the normal boiling point of water is 100ºC. (MMCaCl2 = 110.984 g/mol; Kb, H2O = 0.512 ºC/m; Kf, H2O = 1.86ºC/m)

Solutions

Expert Solution

Calcium chloride is strong electrolyte. In water, it dissociates into ions

The vant Hoff factor

The osmotic pressure

The molar concentration

1 L (1000 mL) of solution contains 0.171 moles of calcium chloride.

Molar mass of calcium chloride is 110.984 g/mol

Mass of calcium chloride

Mass of solution

Mass of water

Convert unit from g to kg

The molality

The elevation in the boiling point

The normal boiling point of water is 100 deg C.

The new boiling point of the solution is

queen_honey_blossom answered 1 year ago

Next > < Previous

Related Solutions

An isotonic saline solution is an aqueous solution that has the same value for osmotic pressure...

An isotonic saline solution is an aqueous solution that has the same value for osmotic pressure as human body cells. Isotonic saline contains 9.0 g of sodium chloride (NaCl, MW= 58.44 g/mol) per liter of solution. T= 37.0 c. 1. What is the molarity of sodium chloride is an isotonic saline solution? 2. What is the osmotic pressure (relative to pure water) of an isotonic saline solution? Give your final answer in units of atm.

Calculate the osmotic pressure of an aqueous solution of FeCl3 that is 28.8% by mass with...

Calculate the osmotic pressure of an aqueous solution of FeCl3 that is 28.8% by mass with a solution density of 1.280g/mL, at 25 degrees Celsius. Please show all work.

An aqueous CaCl2 solution has a vapor pressure of 80.2 mmHg at 50 ∘C. The vapor...

An aqueous CaCl2 solution has a vapor pressure of 80.2 mmHg at 50 ∘C. The vapor pressure of pure water at this temperature is 92.6 mmHg. Part A What is the concentration of CaCl2 in mass percent?

An aqueous CaCl2 solution has a vapor pressure of 83.9 mmHg at 50 ∘C. The vapor...

An aqueous CaCl2 solution has a vapor pressure of 83.9 mmHg at 50 ∘C. The vapor pressure of pure water at this temperature is 92.6 mmHg. What is the concentration of CaCl2 in mass percent?

Calculate the osmotic pressure in atm of a 3.67L aqueous solution containing 52.1g of MgCl2 at...

Calculate the osmotic pressure in atm of a 3.67L aqueous solution containing 52.1g of MgCl2 at 22.00 oC.

1. An aqueous solution of calcium chloride, CaCl2, is 3.464 M and has a density of...

1. An aqueous solution of calcium chloride, CaCl2, is 3.464 M and has a density of 1.2816 g cm-3. Assuming you have 1 liter of this solution answer the following questions. a) Use the density to calculate the mass of the solution 1281.6 grams of solution b) Given that you have 1 liter of solution how many moles of CaCl2 are in the solution? mol CaCl2 c) Calculate the mass of CaCl2 in the solution grams CaCl2 d) Determine the...

Blood generates an osmotic pressure equivalent to the pressure generated by a saline solution that is...

Blood generates an osmotic pressure equivalent to the pressure generated by a saline solution that is 0.900 % m/m NaCl in water. This solution, used for intravenous fluids in hospitals, is called normal saline solution. Assume the solution density is 1.00 g/mL. a) What is the molarity of normal saline? b) What is the mole fraction of water in normal saline? c) How many sodium ions are there in one milliliter of this solution? d) How many grams of sodium...

Normal saline (0.9% w/v) solution has the same osmotic pressure as human blood. The solution is...

Normal saline (0.9% w/v) solution has the same osmotic pressure as human blood. The solution is made by dissolving 0.9 g of NaCl in 100 mL of water. Calculate the osmostic pressure of a 0.9% saline solution at 37 oC (normal human body temperature.) (Hint: remember that NaCl dissociates into ions when it dissolves!) π = ___ atm

A 275−mL benzene solution containing 2.13 g of an organic polymer has an osmotic pressure of...

A 275−mL benzene solution containing 2.13 g of an organic polymer has an osmotic pressure of 7.77 mm Hg at 21°C. Calculate the molar mass of the polymer. g/mol

A dilute salt water solution has an osmotic pressure of 5 atm at 15 degrees C....

A dilute salt water solution has an osmotic pressure of 5 atm at 15 degrees C. Calculate the difference between the chemical potential of the water in the solution and that of pure water. Assume that the density of the solution is the same as that of pure water. The volume of the solution is 1 liter. The density of water is 1 g/cm3. Hint: since the solution is dilute, we can approximate by saying the volume of the solution...

Subjects