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: 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: Which solution should have the highest vapor pressure? O0.10 M sucrose (C12H2201) 0.25 M sucrose…

A: With the increase in number of moles of the solute or concentration of the solution, the vapor…

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

A: The depression in freezing point is given by  depression in freezing point = i X Kf X m  where Kf =…

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: A Vitamin C packet is added to a glass of water containing 310.0 mL of solution. The Vitamin C…

A: Given  Mass of solute (vitamin C) = 1000.0 mg  = 1.0 g ( 1mg =10-3 g) Volume of solution =310.0 mL…

Q: what is the molality of a solution if a nonvolatile solute increased the boiling point of pure…

A:

Q: At a certain temperature the vapor pressure of pure water is measured to be 246. mmHg. Suppose a…

A: Vapour pressure of pure water = 246 mmHg  Mass of water = 120 g  Mass of acetone = 93.5 g

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: A. The compound strontium chlorate would behave as a strong electrolyte nonelectrolyte weak…

A: Depression in freezing point (∆Tf): It is the lowering of freezing point of the solvent on adding…

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: Calculate the molality of a solution formed by adding 3.159 g of methanol (CH3OH) to 100.00 mL of…

A: Molality: The number of moles of the solute dissolved in one kilogram of the solution is known as…

Q: In an experiment, a group of students dissolved 4.67 g of toluene in 67.8 g of cyclohexane. What was…

A:

Q: A nonvolatile organic compound Z was used to make up a solution. Solution A contains 5.00 g of Z…

A:

Q: A solution of 750 g of henzene (CH) and 75.0 g of toluene (C,Hg) has a total vapor pressure of 80.9…

A:

Q: Determine the Van't Hoff factor for calcium bicarbonate (Ca(HCO3)2 MM = 162 g/mol) if a solution…

A: Mass of calcium bicarbonate = 35.7 gMolar mass of calcium bicarbonate = 162 g/molThe formula used…

Q: Calculate the freezing point of a solution made by dissolving 4.88 g of NaCl in 77.1g of H2O. K of…

A: Colligative properties : These are the properties of solutions which depend on the amount of solute…

Q: To what volume should you dilute 126 mLmL of an 7.15 MM CuCl2CuCl2 solution so that 50.5 mLmL of the…

A: According to the question, The initial volume of solution = V1 =  126 mL The Molarity of the…

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

A: The depression in freezing point is given by  depression in freezing point = i X Kf X m  where i =…

Q: A glucose solution contains 55.8 g of glucose (C,H120,) in 455 g of water. Determine the freezing…

A: Glucose is the solute and water is the solvent. Compute the solution’s molality . molality=moles of…

Q: At a certain temperature the vapor pressure of pure acetyl bromide (CH₂COBr) is measured to be 0.68…

A: Information about the question

Q: 95.1

A: Dear student I have given answer to your question in the image format.

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 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: If dissolving 1.5 g of a solute into 100 mL of water caused the temperature of the solution to…

A: The above question is related to the topic of solution thermodynamics and the effect of solute…

Q: 62. A 0.25g of a certain substance is dissolved in 60g of water. The freezing point of the solution…

A: Answer: This question is based on the colligative property of the solution where when a non-volatile…

Q: rmine the freezing point of a solution prepared by dissolving 75 g of CaCl2 in 400 g of water,…

A: To determine the freezing point of a solution Formula used  ∆T =Kf ×m∆T is change in temperature…

Q: At a certain temperature the vapor pressure of pure thiophene (C4H4S) is measured to be 0.16 atm.…

A: Information about the question

Q: Calculate the molality of the following aqueous solutions

A: A)    2.90 Molar solution means  there are 2.90 moles of  NaCl salt in 1 Liter.  Molecular weight of…

Q: The boiling point of pure ethanol is 78.4 °C. A solution is made using 100.0 g of ethanol (the…

A: Molality of solution is determined as follows,

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

A:

Q: At a certain temperature the vapor pressure of pure chloroform (CHC13) is measured to be 256. mmHg.…

A:

Q: A 0.194-g sample of a nonvolatile solid solute dissolves in 9.82 g of cyclohexane. The change in the…

A: Depression in freezing point is a colligative property and is given as follows,

Q: At a certain temperature the vapor pressure of pure acetyl bromide (CH,COBr) is measured to be 0.37…

A: The vapor pressure of pure acetyl bromide at a certain temperature is 0.37 atm. The amount of acetyl…

Q: An aqueous antifreeze solution is 20.4 % ethylene glycol (C2H6O2) by mass. Find the molality of the…

A:

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: 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…

Q: A solution contains 17.83 grams of magnesium chloride and 811.7 grams of water.  What is the vapor…

A: Relative lowering of vapour pressure is equal to mole fraction of solute.     Po -PPo = χsolute…

Q: 97. Consider an aqueous solution that freezes at -0.229°C and is composed of 4.00% by mass maltose.…

A: To calculate the molar mass of maltose, we first need to determine the number of moles of maltose in…

Q: A student dissolves 6.6 g of resveratrol (C₁H,O,) in 300. ml. of a solvent with a density of 1.19…

A: Molarity (M) and molality (m) are very common terms used in chemistry. They are the units of…

Q: A solution containing 8.0 g of an unknown liquid and 92.0 g water has a freezing point of -2.50 °C.…

A:

Q: At a certain temperature the vapor pressure of pure water is measured to be 322. torr. Suppose a…

A:

Q: Calculate the molalities of the following aqueous solutions. Part 1 of 3 1.13 M sugar (C₁2H22011)…

A: molality of the given solutions