Calculate the freezing point of a 2.9 m aqueous sucrose solution. (Assume that Kf for water is 1.86°C/m.) Express the temperature to two significant figures and include the appropriate units. HA freezing point = Value Units

Q: The molality concentraion of a solution can be described as  - the moles of solute per liter of…

A: Molarity is defined as the moles of solute per litre of a solution. Molarity is also known as the…

Q: The normal freezing point of a certain liquid X is -6.3 °C, but when 23.40 g of urea ((NH,) CO are…

A: Normal freezing point of liquid, X = -6.3°C Mass of urea = 23.40g Mass of X = 750.0g

Q: Is your answer in units of g/mol and not kg/mol? Did you subtract the new freezing point from the…

A: Calculate molecular mass of unknown compound

Q: A certain liquid x has a normal freezing point of o °c and a freezing point depression constant…

A: Given: Normal freezing point = 0.0 oC Freezing point of solution = -1.1 oC mass of solvent = 650 g =…

Q: Antifreeze Protect a car from freexing, It also pvotect it fro Ouerheating. Calculate the freezins…

A: Given ,  Mass of ethylene ethylene  glycol (w) = 100 g Molar mass of ethylene glycol (M) = 62.07…

Q: 1. The process of freezing is shown below for two samples. The smaller circles represent a solute.…

A: option- C is correct as solute addition cause depression in freezing point.

Q: A student dissolves 19. g of glucose (CH,20,) in 250. mL of a solvent with a density of 0.84 g/mL.…

A: Mass of glucose = 19 g Volume of solvent = 250 mL Density of solvent = 0.84 g/mL Molarity =?…

Q: A certain liquid X has a normal freezing point of -7.10 °C and a freezing point depression constant…

A: The normal freezing point of liquid X, Tof =-7.10 °C  The freezing point depression constant, Kf=…

Q: A certain liquid X has a normal freezing point of 0 °C and a freezing point depression constant K, =…

A: Given: Normal freezing point of solvent i.e. X = 0.0 oC Kf of X = 7.44 oC/m. Mass of C7H7NO…

Q: An ethylene glycol solution contains 21.2 g of ethylene glycol (C2H6O2) in 85.4 ml of water.…

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Q: Calculate the freezing point (in C) of an aqueous 0.18 m sodium phosphate solution. The molal…

A: Given   The molality of sodium phosphate solution is 0.18 m. The molal freezing point of water is…

Q: ((CH,),co): is measured to be 466. mmHg. Suppose a solution is prepared by mixing 134. g of At a…

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Q: Determine the freezing and boiling points of a solution prepared by dissolving 82.02 grams of…

A: To solve this problem first we have to calculate the molality of Solution then the depression in…

Q: How many grams of a hypothetical salt X2Y1 of molar mass 75.00 g/mol would need to be added to…

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Q: An aqueous solution of HNO3 has a molarity of 1.25 M. The density of the solution is 1.13 g/mL.…

A: Given :-  molarity of solution = 1.25 M  density of solution = 1.13 g/mL  molar mass of HNO3 =…

Q: In an experiment analyzing a hand sanitizer at 20 degrees celsius, the density of ethanol,…

A: Here we are required to find the density of an ideal solution containing 62.00% by mass of ethanol…

Q: If a substance normally freezes at 10 C and has a Kf = 5 K/m, determine the freezing point (C) for a…

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Q: The freezing point of water is 0.00°C at 1 atmosphere.  How many grams of ammonium chloride (53.50…

A: Given: The mass of water is 288.0 g. The freezing point of the solution is 0.500°C. The Kf for water…

Q: How much table salt should be added to 300 g water to lower its freezing point to -2.00°C?

A: Given values here: Freezing point of solution = - 2o C Mass of solvent = 300 g

Q: Ethylene glycol, HOCH2CH2OH, is a common automobile antifreeze. It is water-soluble and fairly…

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Q: The molal freezing point depression constant K,=4.05 °C - kg • mol for a certain substance X. When…

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Q: How many grams of copper(II) bromide (223.4 g/mol), must be dissolved in 252.0 grams of water to…

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Q: The freezing point of water is 0.00°C at 1 atmosphere. How many grams of sodium phosphate (163.9…

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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 certain liquid x has a normal freezing point of -9.80 °C and a freezing point depression constant…

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Q: 30 g of KI are dissolved in 300 g of water at 10 degree C. How much additional KI is necessary to…

A: Interpretation -  To tell about how much additional KI is necessary to saturate the solution when 30…

Q: What is the boiling point of a solution, in °C formed by dissolving 19.1 grams of KBr in 25.0 mL of…

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Q: -1 A certain liquid X has a normal freezing point of-0.50 °C and a freezing point depression…

A: Given: The normal freezing point of liquid X = -0.50 ∘C Kf = 7.06 ∘C·kg·mol-1  We have to calculate…

Q: A certain substance X has a normal freezing point of 5.2 °C and a molal freezing point depression…

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Q: A certain substance X has a normal freezing point of -3.1 °C and a molal freezing point depression…

A:

Q: Give some examples of gas in liquid solutions and their primary solute and solvent.

A: There are 3 states of matter: solid, liquid and gas. In many cases the same element can exist in all…

Q: Ethylene glycol, HOCH2CH,OH, is a common automobile antifreeze. It is water-soluble and fairly…

A: Given: Mass of HOCH2CH2OH = 876 g. And mass of water i.e. solvent = 4658 g = 4.658 Kg…

Q: At a certain temperature the vapor pressure of pure heptane (C,H6) is measured to be 465. torr.…

A: Given data,Pressure of pure heptane=465 torrMass of heptane=114gMass of benzene=103g

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: .mheducation.com/ext/map/ part 2 Homework i 04 es Saved Determine the freezing point of an aqueous…

A: Introduction :  Depression in freezing point is a colligative property of of dilute solutions…

Q: Calculate the boiling point of a solution containing 3.5 g sugar (molar mass= 342 g) dissolved in…

A: Given data contains, Mass of sugar=3.2 g. Mass of water is 150 g=0.15 kg

Q: A certain liquid X has a normal freezing point of 5.90 °C and a freezing point depression constant…

A: Freezing point of solvent is greater than freezing point of solutions

Q: Isopropyl alcohol is mixed with water to produce a 40.0% (v/v) alcohol solution. How many…

A: Solution Isopropyl alcohol (IUPAC name propan-2-ol; additionally known as isopropyl, isopropyl…

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

A:

Q: A solution is prepared by dissolving 10g of glucose in enough water to make 500mL of solution .…

A: Given,  A solution is prepared by dissolving 10g of glucose in enough water to make 500mL of…

Q: A student dissolves 1.9 g of styrene (C,H,) in 150. mL of a solvent with a density of 1.02 g/mL. The…

A: Given that,  Weight of styrene  = 1.9 g Molar mass of styrene = 104.15 g/mol Moles of styrene n =…

Q: Given that the Kf for t-butyl alcohol is 9.01 degrees celcius/m, and that the freezing point of pure…

A: Depression in freezing point can be determined using Kf and molality of solution.

Q: What is the osmotic pressure in torr of a 0.0173 M glucose solution at body temperature (37 °C)?…

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Q: The normal boiling point of a certain liquid X is 141.80 °C, but when 60.9 g of iron(III) nitrate…

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Q: The molal boiling point elevation constant K,= 0.90 °C·kg•mol -1 for a certain substance X. When 26.…

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Q: What are the boiling points and freezing points of a solution of 115.0 g of sucrose C12H22O11 in…

A: Colligative properties depend on the number of particles (for example, molecules or ions) in a…

Q: A student dissolves 12. g of styrene (c,H3) in 300. mL of a solvent with a density of 1.00 g/mL. The…

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Q: Consider a solution of MgCl2(aq) with a molality of 0.00245 mol kg-1 Calculate the freezing point of…

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Q: At a certain temperature the vapor pressure of pure water is measured to be 233. mmHg. Suppose a…

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Q: A 2.039 mass % aqueous solution of potassium hydroxide has a density of 1.05 g/mL. Calculate the…

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