Rate by freezing point depression: 1. Glucose 2. Urea 3. Sodium chloride

Q: 5. What is the boiling point of a 1.42molal MgS solution? (Ko of water = 0.512°C/molality) 6. What…

A: Formula used for elevation in boiling point: Formula used for lowering in freezing point: Where, i…

Q: What volume of ethylene glycol (C2H6O2) must be added to 15.0 L of water to produce an antifreeze…

A: The boiling point is the minimum temperature at which the liquid starts to convert into gas.…

Q: The “bends” is a medical emergency caused by the formation of tiny bubbles in the blood vessels of…

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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: The boiling point of an aqueous solution is 101.16 °C. What is the freezing point? Consult the table…

A: Given: Boiling point of aqueous solution is 101.16 oC. Boiling point of pure water is 100.0 oC. The…

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: Substance GAMMA has a vapor pressure of 318 torr at 19 °C. When a sample of the nonvolatile…

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Q: The boiling point of an aqueous solution is 101.21 °C. What is the freezing point? Consult the table…

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Q: The normal freezing point of a certain liquid X is –7.20 °C, but when 18. g of alanine (C,H,NO,) are…

A: Depression in freezing point is colligative property. The formula used to calculate depression in…

Q: What is the molality of a solution that contains 79.4 grams of strontium fluoride that has been…

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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: When an aqueous solution of potassium chloride is compared with water, the salt solution will have……

A: Colligative properties  are vapor pressure lowering  boiling point elevation,  freezing point…

Q: A certain liquid X has a normal freezing point of -3.10 °C and a freezing point depression constant…

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Q: A 1.0 M solution would freeze at which temperature? Kf = 1.86 degrees/mole for water. A)  (-)1.86oC…

A: Given that the concentration of the solution = 1.0 M = 1moles of solute in 1L solutions. Kf = 1.86…

Q: The boiling point of an aqueous solution is 101.87 °C. What is the freezing point? Consult the table…

A: Given data : Boiling point of solution = 101.87°C Freezing point constant (Kf) = 1.86 °C.kg/mol…

Q: A certain substance X melts at a temperature of -4.3 °C. But if a 900. g sample of X is prepared…

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Q: A solution contains naphthalene (C10H8) dissolved in hexane (C6H14) at a concentration of 12.27 %…

A: Concentration of napthalene in hexane 12.27%by mass Vapoue Pressure of pure hexane=151 torr Molar…

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

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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: When HNO2 is dissolved in water, it partially dissociates according to the equation HNO2 = H+ + NO,.…

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Q: What is the freezing point of an aqueous solution if the boiling point of the solution is…

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Q: A 3.5 PERCENT SOLUTION (BY WEIGHT) OF NaOH IN H2O IS PREPARED. A SCIENTIST WANTS TO FIND OUT THE…

A: Colligative properties are the properties which depend on the number of atoms or molecules or ions…

Q: O1. A solution is prepared by mixing 15.90 grams of naphthalene, into 225.0 g of cyelohexane.…

A: Given,  When the solution is prepared by mixing of 15.90 grams of naphthalene and 225.0 grams of…

Q: 0.9% (w/v) sodium chloride (MW = 58 g/mol) solution (Normal Saline Solution) has an osmotic pressure…

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Q: What mass of glucose should dissolve in11.5kg of water to obtain a solution with a freezing point of…

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Q: A certain substance X has a normal freezing point of-8.4 °C and a molal freezing point depression…

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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: The normal freezing point of a certain liquid X is -2.70 °C, but when 43.3 g of potassium bromide…

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Q: The freezing point of water is 0.00°C at 1 atmosphere. How many grams of zinc chloride (136.3…

A: Given  molar mass of Zinc chloride = 136.3 g/mol mass of solvent (water) = 204.0 grams = 0.204 kg…

Q: A compound of carbon, hydrogen, and oxygen was burned in oxygen, and 1.000 g of the compound…

A: Given, Mass of compound = 0.1107g. Mass of water = 25.0g = 0.025kg. Freezing point of solution =…

Q: g of nonelectrolyte glucose (C moiling point of the solution and freezing point depression of this…

A: Given,  Mass of glucose = 10.0 g Molar Mass of glucose = 180 g/mol Mole = mass/MM . = 10.0/180 =…

Q: Calculate the boiling point elevation (ATb) of a 2.0 m aqueous ethylene glycol solution. Hint: Kb…

A: ∆Tb=kbm ∆Tb= 0.512×2 ∆Tb= 1.02°C

Q: The normal boiling point of a certain liquid X is 115.90 °C, but when 47. g of zinc chloride (ZnCl,)…

A: Given: The normal boiling point of liquid X = 115.90 ∘C The mass of ZnCl2 dissolved in 550 g of X =…

Q: 1. What is the freezing point of a solution made by dissolving 5.0 g of naphthalene (C10H8) in 500.0…

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Q: The boiling point of an aqueous solution is 102.46 degrees Celcius. What is the freezing point?…

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Q: A solution of 1,921 g of nicotine in 48.92 g of water has a freezing point of -0.450 ° C. Determine…

A: Given: The mass of nicotine in the solution = 1.921 g The mass of water = 48.92 g The freezing point…

Q: What are the boiling point and freezing point of a solution prepared by dissolving 2.40g of…

A: To evaluate the boiling point, the formula is given below ∆Tb=Kb×W2×1000W1×M2 Here, ∆Tb is the…

Q: The solubility of gases in water: O increases with increase pressure O decreases with decrease…

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Q: An aqueous sucrose (C12H22011) solution of unknown concentration is found to have a freezing point…

A: We have to calculate  the vapour pressure (V.P.)  and Boiling  point  of a solution  when sucrose is…

Q: Using your experimental data for the lower molal potassium chloride solution, what is the k, of…

A: In a solution, certain physical properties of the solution have deviation from the physical…

Q: A solution is made by dissolving 7.60 grams of MgCl2 in 160.0 mL of water. What is the freezing…

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Q: In an aqueous solution of sulfuric acid, the concentration is 7.87 mol% of acid. The density of the…

A: Given that : Concentration in % of acid = 7.87 mol% Density of the solution = 1.2205 g mL-1 The…

Q: Calculate the freezing point of a solution made by dissolving 4.88 g of NaCl in 77.1 g of H20. K of…

A: A solution consists of solute and solvent. A solute is defined as the component that is present in…

Q: A solution is made by dissolving 0.563 mol of nonelectrolyte solute in 821 g of benzene. Calculate…

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Q: give the properties of a colloidal system. what makes them different compared to suspensions and…

A: A question based on colloidal solution, which is to be accomplished.

Q: Assuming complete dissociation of the solute, how many grams of KNO3 must be added to 275 mL of…

A: Given : Freezing point of solution = -14.5 ⁰C  Volume of solvent = 275 ml  Kf = 1.86 ⁰C kg mol-1

Q: 2. What mass of NANO3 should be dissolved in 25.0 mL of water so that the resulting solution freezes…

A: The normal freezing point of water is 0.0oC and the freezing point of solution is -6.0oC. Therefore,…