The density of seawater is 1.025% g/ml and the Nacl concentrations is 3.50% (m/v%) Find molarity...

Question

Question

The density of seawater is 1.025% g/ml and the Nacl concentrations is 3.50% (m/v%)

2.) Find molality of the solution

3.) mole fraction of Nacl in solution

4.) the freezing point of the solution (Kf(H20 = 1.86 celisus/m)

5.) the boiling point of solution (Kb(H20=0.52celicus/m

6.) Osmotic pressure at 25celcius (R=0.08206)

science chemistry

Answer 1

Answer #1

Answer 2

Similar Homework Help Questions

115 grams of KCl is dissolved in 750 ml of water (assume density = 1.005 g/ml)....

115 grams of KCl is dissolved in 750 ml of water (assume density = 1.005 g/ml). What are the molality, molarity, mole fraction, mole percent, % mass, ppm by mass? What would be the freezing point and boiling point of that solution assuming the Kf of water is 1.86 oC/m and Kb is 0.512 oC/m (assume that KCl fully dissociates with no pairing of ions)?
please just tell me clearly what goes in each box. thank you! 115 grams of KCl...

please just tell me clearly what goes in each box. thank you! 115 grams of KCl is dissolved in 750 ml of water (assume density = 1.005 g/ml). What are the molality, molarity, mole fraction, mole percent, % mass, ppm by mass? What would be the freezing point and boiling point of that solution assuming the Kf of water is 1.86 oC/m and Kb is 0.512 oC/m (assume that KCl fully dissociates with no pairing of ions)? f. PPm by...
A 2.50 M NaCl solution has a density of 1.08 g/ml. Determine: the mass percent of...

A 2.50 M NaCl solution has a density of 1.08 g/ml. Determine: the mass percent of NaCl the molality of the solution the mole fraction of NaCl

a mixture is created of 306.0 grams of sodium nitrate, NaNO3, and 500 gram of water,H2O,...

a mixture is created of 306.0 grams of sodium nitrate, NaNO3, and 500 gram of water,H2O, at 20 celcius . The density of the mixture is 1.30 G/ML. EXPRESS THE concentration of sodium nitrate as mass percent, molarity, molality, and mole fraction. Determine the freezing point, boiling point and osmotic pressure of the solution
a.) Salt solution is 12.0% NaCl by mass, with a density of 1.023 g/mL. What are...

a.) Salt solution is 12.0% NaCl by mass, with a density of 1.023 g/mL. What are the molarity, molality, and mole fraction of this solution? b.) How many grams of salt would you need to add to 500 mL of this solution to raise its mole % to 5.00?
An aqueous NaCl solution contains 1.343x10* ppm NaCl. The density of water is 1.000g/ml. The density...

An aqueous NaCl solution contains 1.343x10* ppm NaCl. The density of water is 1.000g/ml. The density of the solution is 1.08 g/mL. The molar mass of NaCl is 58.44g/mol. Keep the correct number of significant figures. a) What is the molality of NaCl? b) What is the molarity of NaCl? c) What is the (mass/volume)% is unit of (kg/L)%? d) What is mass percent? e) What is mole fraction of NaCl?

29) A solution is 0.0433 m LiF. What is the molarity of the solution if the...

29) A solution is 0.0433 m LiF. What is the molarity of the solution if the density is 1.10 g/mL? A) 0.0441 M B) 0.0390 M C) 0.0476 M D) 0.0417 M E) 0.0519 M 30) Determine the freezing point depression of a solution that contains 30.7 g glycerin (C3H8O3, molar mass =92.09 g/mol) in 376 mL of water. Some possibly useful constants for water are Kf 1.86°C/m and Kb 0.512°C/m. A) 3.33°C B) 0.654°C C) 1.65°C D) 4.95°C E)...
For water, Kf = 1.86 °C∙kg/mole, Kb = 0.52 °C∙kg/mole and density = 1.00 g/mL. Calculate...

For water, Kf = 1.86 °C∙kg/mole, Kb = 0.52 °C∙kg/mole and density = 1.00 g/mL. Calculate the boiling and freezing points of the following aqueous solutions: a) 18.4 g of glucose (C6H12O6) in 95.5 g of water. b) 15.0 g of magnesium fluoride in 75.0 mL water.
Question 1. A 2.700×10−2M solution of NaCl in water is at 20.0∘C. The sample was created...

Question 1. A 2.700×10−2M solution of NaCl in water is at 20.0∘C. The sample was created by dissolving a sample of NaCl in water and then bringing the volume up to 1.000 L. It was determined that the volume of water needed to do this was 999.3 mL . The density of water at 20.0∘C is 0.9982 g/mL. a.)Calculate the molality of the salt solution. B.) Calculate the mole fraction of salt in this solution. C.) Calculate the concentration of...

1. 1200 mL aqueous solution of 45 g of ethylene glycol and 80 g of sucrose...

1. 1200 mL aqueous solution of 45 g of ethylene glycol and 80 g of sucrose were prepared with a density of 1.37 g/mL. Assume that the solution behaves ideally. Notes: The vapor pressures of water and ethylene glycol at 20 °C are 17.54 torr and 0.06 torr, respectively, and Kb and Kf of water are 0.51 K/m and 1.86 K/m, at 25 °C respectively. a. What is the freezing point of this solution? b. What is the vapor pressure,...