Calcule el punto de congelación de una solución acuosa 2.034 m de glucosa. Para el disolvente: Ke = 0.152 C/m y K = 1.86 °C/m. %3D O a. 103.78 oC O b.-3.78 oC 1C-1.09 oC O d.96.217 oC

Q: 7. Lauryl alcohol, a component of coconut oil, is used to make detergents. A solution of 5.00 g of…

A: Consider the given information is as follows;Mass of solute (lauryl alcohol) = 5.00 gMass of solvent…

Q: The normal freezing point of a certain liquid X is -2.7 °C, but when 12.2 g of urea ((NH,),CO) are…

A:

Q: When a 5.64 g sample of a non-electrolyte was dissolved in 40.0 g of water, the freezing  point of…

A: Molality of solution can be calculated as follows:

Q: A certain liquid X has a normal freezing point of 6.90°C and a freezing point depression constant…

A: The freezing point of a solution made of 92.g of glycine (C2H5NO2) dissolved in 700. g of X is 2.93…

Q: A certain liquid X has a normal freezing point of 3.00°C and a freezing point depression constant…

A: Given : Mass of solute i.e benzamide, C7H7NO = 80.7 g Mass of solvent i.e X = 900 g = 0.900 Kg…

Q: Calculate the freezing point of a 1.86 M solution of MgCl2 in water. MgCl2 is a strong electrolyte

A: Applying concept of dipression in freezing point. ∆Tf= i×Kf× m

Q: The normal freezing point of cyclohexane is 6.50 °C. A solution is prepared by dissolving 258.0 mg…

A: Here the solvent is cyclohexane whose Kf value is 20.0 oC/m, and the solute is the unknown…

Q: 1. The freezing point of pure benzene (C₆H₆) is 5.49 °C. The freezing point of a solution made using…

A: Given that freezing point of pure benzene (C₆H₆) is 5.49 °C The freezing point of a solution = -13.0…

Q: Calculate the freezing point of a 10.00 m aqueous solution of ethylene glycol. Freezing point…

A:

Q: The freezing point of acetic acid is 17.0 °C, and its Kf is 3.90 °C·kg/mol.  If dissolving an amount…

A: In this question, we want to determine the moles of solute in the Solution. You can see details…

Q: Calculate the osmotic pressure of 0.40 M KNO3 (electrolyte) at 25 °C

A:

Q: The normal freezing point of cyclohexane is 6.50 °C. A solution is prepared by dissolving 148.6 mg…

A: Given,  Normal freezing point of cyclohexane = T0f = 6.50 °C Mass of unknown nonelectrolyte (solute)…

Q: The vapor pressure of an aqueous solution of silver nitrate at 27 °C is 0.03456 atm. The vapor…

A: Answer:Properties of a solution that depend upon the number of solute particles present in solution…

Q: A 3.40-g sample of a mixture of naphthalene (C₁₀H₈) and pyrene (C₁₆H₁₀) is dissolved in 35.0 g…

A: Molar Mass of napthalene (C10H8) = 128 g/mol Molar mass of pyrene (C16H10) = 202 g/mol Mass of…

Q: A solution was made by mixing 6.25 g of heptane (C7H63, molar mass = 100.21 g/mol) with 46.2 g of…

A:

Q: Quinine is a natural product extracted from the bark of the cinchona tree, which is native to South…

A: The expression for freezing point depression due to the addition of a non-volatile solute in a…

Q: Antifreeze is composed mainly of ethylene glycol (C2H6O2, d = 1.11 g/cm3). It is added to a car…

A: The relationship between depression in freezing point (∆Tf) and molality of solition is  ∆f = kf ×…

Q: Calculate the vapor pressure at 35 °C of a solution made by dissolving 26.2 g of sucrose, C12H22O11,…

A:

Q: a) Arrange the following aqueous solutions from lowest to highest boiling point. Justify your…

A: a) Given : 0.0185 m CH3OH solution 0.0125 m KCl solution  And 0.0105 m Ca(NO3)2 solution.

Q: Complete combustion of 10.91 g of a compound of carbon, hydrogen, and oxygen yielded 16.00 g CO₂ and…

A:

Q: The freezing point of a liquid will change when a solute is added. Explain how the addition of salt…

A: When a solute is dissolved in the water, the vapor pressure of the solution is lower than the pure…

Q: 4. A compound contains 42.9% C, 2.4% H, 16.6% N, and 38.1% O by mass. The addition of 3.16 g of this…

A:

Q: The freezing point of benzene, C6H6, is 5.500 °C at 1 atmosphere. Kf(benzene) = 5.12 °C/mIn a…

A: The objective of this question is to determine the molecular weight of a newly synthesized compound…

Q: freezing

A: As we know that,  ∆Tf = Kf × m Where, m = molality of the solution.  From the above equation, we get…

Q: A certain liquid X has a normal freezing point of 3.30°C and a freezing point depression constant…

A: We know that, depression in freezing point is given by,                                       ΔTf =…

Q: 5.78 g sample of an alkaline earth metal nitrate, M(NO3)2, is dissolved into 20.62 gof water. The…

A:

Q: What is the freezing point of a 1,4-dioxane solution if that same solution boils at 103.0 °C? The…

A: From the formula of elevation in boiling point, and depression in freezing point, we can solve the…

Q: was made by dissolving 479.32 g or aluminum AIC13) in enough water to make 500.0 solution. The…

A:

Q: A solution was made by mixing 6.25 g of heptane (C7H63, molar mass = 100.21 g/mol) with 46.2 g of…

A: Freezing-point depression is the decrease of the freezing point of a solvent on the addition of a…

Q: 1. The boiling point elevation of an aqueous sucrose solution is found to be 0.39°C. What mass of…

A: Elevation in boiling point : Boiling point elevation indicates to the increase in the boiling point…

Q: The freezing point of cyclohexane is 6.50°C. For cyclohexane solvent Kf=20.0. 0.140 g of an unknown…

A:

Q: A 3.40-g sample of a mixture of naphthalene (C₁₀H₈) and pyrene (C₁₆H₁₀) is dissolved in 35.0 g…

A: Assuming mass of naphthalene in the mixture is y. Hence mass of pyrene = mass of mixture - mass of…

Q: An online study examined the lowering of freezing point when 0.222 g of an unknown molecular solute…

A: Mass of in known compound ,m = 0.222g Let the molar mass of compound be M g/mol. Then, number of…

Q: When 6.31 g of a certain nonvolatile solute is dissolved in 505 g of water, the freezing point of…

A: Given data is as follows: The mass of nonvolatile solute = 6.31 g The mass of water = 505 g = 0.505…

Q: 15.2 g of camphor dissolved in naphthalene lower the freezing temperature of naphthalene from 80.0…

A: Given: Mass of camphor=15.2 g Molar mass of camphor=152 g/mol Lowered freezing point of…

Q: What is the freezing point of a 1.337  m aqueous solution of aluminum nitrate, Al(NO3)3? The Kf of…

A: The value for the van’t Hoff factor,'i' for Aluminum nitrate can be calculated by writing the…

Q: An ethylene glycol solution contains 27.0 g of ethylene glycol (C2 H6O2) in 94.6 mL of water.…

A:

Q: The normal boiling point of a certain liquid X is 141.40 °C, but when 20. g of glycine (C,H,NO,) are…

A: To calculate molal boiling point elevation constant , we first find moles and than molality.

Q: A certain liquid X has a normal freezing point of −6.30°C and a freezing point depression constant…

A:

Q: The freezing point of a liquid will change when a solute is added. Explain how the addition of salt…

A: Given: Freezing point of water = 0.0 oC molality of CaCl2 solution = 2.80 m Van`t Hoff factor of…

Q: The molal freezing point depression constant =Kf·7.96°C·kgmol−1 for a certain substance X. When…

A: Answer: We will calculate the depression in freezing point using following formula:…

Q: Some unknown compound reduces the freezing point of benzene from 5.53 to 4.80˚C. What is the…

A: Molality of a solution can be defined as number of moles of solute dissolved per kilogram of solvent…

Q: A solution is made by dissolving 16.0 g of CaCl2 in 4560 g of water. Calculate the freezing point of…

A:

Q: A 0.547 g sample of an unknown solute dissolved in 14.0 g of tert-butanol produces a solution with a…

A: At a specific temperature, when vapor pressure of any particular substance in its liquid and solid…

Q: The vapor pressure of an aqueous solution of copper(II) sulfate at 38 °C is 0.06430 atm. The vapor…

A:

Q: The vapor pressure of an aqueous solution of iron(III) chloride at 32 °C is 0.04587 atm. The vapor…

A: Depression in freezing point, elevation in boiling point, lowering of vapor pressure etc. are…

Q: Calculate the vapor pressure above a solution prepared by dissolving 2.00 g of aspirin (C9H8O4) in…

A: