A classic homemade ice cream can be made by freezing the ice cream  mixture using a solution of 250 g of NaCL in a 1.25 kg of ice water. What is  the temperature of this ice water? Assume an ideal van’t Hoff factor.

Q: Calculate the molality of a solution that contains 1.73 g carvone in 13.4 mL of ethanol (density…

A: Given data: Part 1: The mass of carvone (solute) = 1.73 g. The volume of ethanol (solvent) = 13.4…

Q: 10. What is the percent by mass of ethanol in a 5.000 m (molal) aqueous solution? The molar mass of…

A: Molality of the ethanol solution = 5.000 mpercent by mass of ethanol = ?molar mass of ethanol =…

Q: 2) What is the molality of solution that contains 50 g ethanol (C,H,OH) in 325 g water?

A:

Q: GIVE EXAMPLES OF SOLIDS THAT DECREASE ITS SOLUBILITY IN WATER AS TEMPERATURE INCREASES.

A: Solubility is the property of dissolution of a solute in a solvent to form a solution. Dissolution…

Q: An antifungal molecule has a molar mass of 2448 g/mol.  What osmotic pressure would result from a…

A: The relationship between osmotic pressure, P, solute concentration, and temperature for a solution…

Q: The following figures shows a particle-level view of a sealed container partially filled with a…

A: From given  We are assuming as ideal gas behaviour and each statement is checked for X and Y and…

Q: A NaOH solution has a molality of 13.3 mol/kg. Find the mole fraction of NaOH in the solution. The…

A: The molality of the solution is = 13.3 mol/kg The molar mass of NaOH is 40.00 g The molar mass of…

Q: A student prepares a solution containing 23.4 grams of sucrose (C12H22O11) in 156 g of water. How…

A: The number of moles of solute present in the one-kilogram solvent is known as the molality of the…

Q: 035 (part 1 of 2) The freezing point of an aqueous solution that contains a non-electrolyte is…

A: To solve this problem we will use the formula  ∆Tf = i Kf m  Where , ∆Tf = depression in freezing…

Q: What is the molality in mol/kg of a solution if the temperature difference AT between the solvent…

A: Applying formula ∆Tf= kf×m

Q: A student creates an aqueous solution that is 0.200 m K2S. Assuming complete dissociation of the…

A: NOTE: In question, there is a typing error. Instead of molality, molarity is written to be found…

Q: 3 molal solution is more concentrated than 3 molar solution. True O False

A:

Q: A solution of sodium chloride is made by adding 45.0 g of NaCl to 500.0 mL of water. The final…

A:

Q: 500 g of water. The freezing point of the solution decreases by 3.8 degrees  C . Calculate the Van't…

A: Mass of NaCl = 30 g Moles of NaCl = 30/58.5    = 0.513 mol Molality(m) = moles /mass of solvent(kg)…

Q: Determine the molar mass of an unknown compound if a solution made up of 1.82 g of the compound and…

A: First calculate ∆Tf for the solution and using that, calculate molality of the solution. Using that…

Q: At a certain temperature the vapor pressure of pure chloroform (CHCI,) is measured to be 363. mmHg.…

A: Vapor pressure of solution = Mole fraction of the solvent   x  Vapor pressure of pure solvent mole…

Q: 2. A commercial bleach solution contains 3.62 mass percent NaOCI in water. Calculate the molality of…

A: The molality is the term used to define the concentration of the solution.In order to find the…

Q: The boiling point of a solution of 2.056 moles of an electrolyte dissolved in 1399 g of benzene is…

A:

Q: The freezing point of ethanol CH3CH₂OH is -117.30°C at 1 atmosphere. A nonvolatile, nonelectrolyte…

A: Given mass of chlorophyll = 13.92 g  Molar mass of chlorophyll = 893.5 g/mol  Mass of ethanol =…

Q: While processing data, a student determines that the value of ATf for a solution is 7.2°C. If Kf for…

A:

Q: Sodium chloride in solution a) has an apparent molal volume of 20.13 and a molal concentration of…

A: The partial molar volume of a compound contributes to volume by a particular compound in the…

Q: What is the molality of a solution prepared by dissolving 23 g of ethanol in 200 g of water?

A: Mass of ethanol = 23 gMolar mass of ethanol =46 g/moleNo of moles of ethanol = Mass of ethanolMolar…

Q: . An unknown substance has a van’t Hoff factor of 3.4. Into exactly 1 kg of water, you dissolve 16.2…

A:

Q: A certain substance X meits at a temperature of -7.9 °C. But if a 450. g sample of X is prepared…

A: Melting point of X = - 7.9 °CWeight of X = 450 gWeight of urea = 10 gMelting point of solution = -…

Q: In the lab, a student needs to determine the van't Hoff factor for a deicer in water. Using the same…

A: In the given graph x axis represent molality and y axis represent freezing point depression.…

Q: A student creates an aqueous solution that is 0.200 m K2S. Assuming complete dissociation of the…

A: We have to calculate the boiling point and freezing point of this solution in celsius.

Q: A sugar solution is prepared by dissolving 3.00 g of sucrose (C12H22O11) into 200.0 g of water.…

A: The first step is to calculate the molar mass of sucrose (C12H22O11). The molar mass of an element…

Q: At a certain temperature the vapor pressure of pure acetyl bromide (CH,COB1) is measured to be 363.…

A: we need to calculate partial pressure of acetyl bromide

Q: 106. mg of an unknown protein are dissolved in enough solvent to make 5.00mL of solution. The…

A: Osmotic pressure: Osmotic pressure is a colligative property. The osmotic pressure of the solution…

Q: Calculate the van t Hoff factor and the osmotic pressure (at 31.8°C) of an aqueous solution with a…

A: Given: Temperature = 31.8 oC Molality of solution = 0.50 m. Molecular mass of solute = 161.28 g/mol.…

Q: The freezing point of an aqueous solution containing a non electrolyte solute is -2.79 degree…

A: On adding a non-electrolyte solute in a solution there is depression in the freezing point and…

Q: A mixture of table salt and ice is used to chill the contents of hand-operated ice-cream makers.…

A: Given, van’t Hoff factor, i = 1.44Then,

Q: a solution contains 22.44 grams of NaCl in 0.270 kg water at 25 celsuis. what is the vapor pressure…

A:

Q: When a solute is dissolved in a liquid, the vapor pressure is increased because the surface area…

A: The vapour pressure of solution is defined as the pressure exerted by the vapours in the equilibrium…

Q: Calculate the boiling point of a solution of 400 g of ethylene glycol dissolved in 400 g of water…

A: Molality of solution can be calculated as follows:

Q: We have a solution at 18° C that has been prepared by dissolving 1.90 g potassium carbonate (K2CO;)…

A: Given Mass of K2CO3 = 1.9 g Volume of water = 40 ml density of solution = 1.02 g/ml osmotic pressure…

Q: At a certain temperature the vapor pressure of pure methanol (CH,OH) is measured to be 112. mmHg.…

A: To calculate the partial pressure of the methanol first of all we calculate the mole fraction of the…