A solution contains 3.85 g of a nonvolatile pure hydrocarbon in 95 g acetone. The boiling points of pure acetone and the solution are 55.95°C and 56.50°C, respectively. The molal boiling point constant of acetone is 1.71°C ⋅ kg/mol. What is the molar mass of the hydrocarbon?

Q: A solution is made by mixing 55.9 g acetone (CH 3 COCH 3 ) and 55.9 g methanol (CH 3 OH). What is…

A: Dalton's law of partial pressure:- This law states that total pressure of the mixture of gases…

Q: 198 g of glucose (C6H12O6) is dissolved in 435 mL of water. Determine 1. Percent by mass 2. Mole…

A: Moles of solute (glucose) = given massmolar mass                               =198180…

Q: An aqueous antifreeze solution is 40.0% ethylene glycol () by mass. The density of the solution is…

A: Given data is as follows: 40 % ethylene glycol means as follows: The mass of ethylene glycol = 40 g…

Q: A solution contains 21.2 g of ethylene glycol (C2H6O2 g/mol, i=1) in 85.4 mL of water (density 1.00…

A: when a non volatile solute is added to a solution the boiling point of the solution increases due to…

Q: What is the boiling point of a solution of 1.0 g of glycerin, C3H5(OH)3, in 47.8 g of water? Assume…

A: Given: Mass of glycerin= 1.0 g  Mass of water= 47.8 g The constants are: To find: The boiling point…

Q: The normal boiling point of methanol is 64.7°C. A solution containing a nonvolatile solute dissolved…

A: Interpretation- To determine the mole fraction of the methanol when the normal boiling point of…

Q: Approximate the freezing point of an aqueous solution of 0.600 M NaCl. Density of pure water around…

A: Answer :- -1.12 (°C)  The freezing point of an aqueous solution of 0.600 M NaCl (Density of pure…

Q: solution is prepared by dissolving 104.1 grams of barium chloride, BaCl2 in 1000. grams of water?…

A: Depression in freezing point.

Q: Vitamin B2, riboflavin, is soluble in water. If 0.833 g of riboflavin is dissolved in 18.1 g H2O,…

A:

Q: The freezing points and boiling points of the solution which contains 25.0 g NaCl in 129 mL of water…

A: Colligative properties: The colligative properties are those properties of solutions that depend on…

Q: Calculate the molality of a solution prepared by dissolving 15 grams of ethylene glycol (HOCH2CH2OH)…

A: Given mass of ethylene glycol = 15 g Molar mass of ethylene glycol = 62.07 g/mol Number of moles =…

Q: A solution is made of 2.00 g of sucrose, C12H22O11, in 100.0 g of H2Ol. Calculate the: a). Boiling…

A: Given data contains, Mass of sucrose is 2.00g. Mass of water is 100.0g. The molar mass of sucrose is…

Q: What is the vapor pressure (mm Hg) of water at 25 Celsius above a solution prepared by dissolving…

A: For ideal solutions, each component's pressure is identical to the pure state pressure and mole…

Q: Suppose the freezing point of a solution of 2.00 g of an unknown molecular substance in 10.00 g of…

A: We know, depression in freezing point is given by  ∆Tf=Kf×mwhere ∆Tf=depression in…

Q: 1. A solution contains 100 grams of CaCl2 in 2500 grams of water. a. What is its freezing point?…

A:

Q: What volume of ethylene glycol (C2H6O2), a nonelectrolyte, must be added to 15.0 L of water to…

A: The volume of water is 15.0 L. The freezing point of the solution is 230.08°C. The density of water…

Q: Ethylene glycol CH2(OH)CH2(OH) is a common automobile antifreeze. Calculate the freezing point and…

A: Given that: Mass of ethylene glycol = 343 g Mass of water = 1055 g = 1.055 kg Kb of water = 0.52…

Q: Pentane (C; H12) and hexane (C6H14) form an ideal solution. At 25°C the vapor pressures of pentane…

A:

Q: the freezing point of the solution be?  Calculation sheet attached.

A: Given: The melting (freezing point) point of carbon disulfide = -111.5 deg C. The freezing point…

Q: The normal boiling point of methanol is 64.7°C. A solution containing a nonvolatile solute dissolved…

A: Given vapor pressure of methanol = 715 torr

Q: The density of 33.0% (by mass) of an aqueous solution of sodium  hydroxide, NaOH(aq), is 1.3574 g/mL…

A: Answer :            a) Molar concentration  = 11.20 M             b) Molal concentration = 12.31 m…

Q: What is the vapor pressure of 1000 g of a water solution at 25 Celsius that contains 124.0 g of the…

A:

Q: aqueous solution containing 34.9 g of an unknown molecular (non-electrolyte) compound in 153.7 g of…

A: Weight of non - electrolyte = 34.9 gm Weight of water = 153.7 gm = 0.1537 kg (1kg = 1000g) Freezing…

Q: 1)A solution contains 4.30 moles of water, 1.10 moles of sucrose (C12H22O11), and 1.30 moles of…

A: Given, moles of water =4.30 moles of sucrose = 1.10 moles of glucose = 1.30 vapour pressure of water…

Q: 10% (w/w) aqueous potassium iodide has a density of 1.202 g/ml. Which of the following statements is…

A:

Q: Calculate the freezing point of a solution made from 72.33 g of propane, C3H3, 44.1g/mol, dissolved…

A: Given: Mass of Propane=72.33 g Mass of solvent (Water)=0.250 kg

Q: What mass of ethylene glycol, C2H6O2, in grams must be added to 1kg of water for a boiling point of…

A:

Q: Calculate the freezing point of a solution of 35 g methyl salicylate dissolved in 800 g of benzene…

A: The term molality refers to the ratio of number of moles of the given solute to the amount of…

Q: A solution is prepared by mixing 5.81 g acetone (C3H6O, molar mass 1 g/mol) and 11.9 g chloroform…

A:

Q: The molal freezing point constant for water is 1.86 oC/m. At what temperature will a mixture of 2.00…

A: Given,  The mass of CaCl2 = 2.00 g.                            The mass of water = 25.0 g.…

Q: At 20°C, the vapor pressure of pure ethanol, C2H5OH, is 43.7 mmHg and the vapor pressure of pure…

A: Given that , Vapour pressure of the solution= 28.6 mmHg Vapour pressure of pure ethanol = 43.7 mmHg…

Q: A solution is made by mixing 48.5 g acetone (CH,COCH,) and 48.5 g methanol (CH,OH). What is the…

A:

Q: How many grams of BaCl2 should be added to 300 g water so that the freezing point of the solution is…

A: Molality is the property of the solution and it is defined as  number of moles of solute  present in…

Q: True or false? The molatlity of an aqueous NaCl solution that freezes at -1C is equal to the…

A:

Q: compounds

A: The question is based on the concept of solutions. it applies the principle of raoult's law of…

Q: A solution contains 3.05 mol of water and 1.50 mol of nonvolatile glucose (C6H12O6).? What is the…

A: The mole of water is = 3.05 mole The mole of nonvolatile glucose is = 1.50 The vapor pressure of…

Q: The normal boiling point of methanol is 64.7°C. A solution containing a nonvolatile solute dissolved…

A:

Q: The normal boiling point of methanol is 64.7°C. A solution containing a nonvolatile solute dissolved…

A:

Q: The vapor pressure of a solution containing 47.2 g glycerin (C3H8O3) in 173.8 g ethanol (C2H5OH) is…

A: Since the glycerin is non volatile non electrolyte solute. Hence the vapour pressure of solution is…

Q: The vapor pressure of benzene (C6H6) and toluene (C7H8) at 25 degrees Celcius are 95.1 and 28.4 mm…

A: According to the Dalton’s law of partial pressure, the total pressure of the solution is the sum of…

Q: 10.00%-by-mass solution of ethanol, CH3CH2OH, in water has a density of 0.9831 g/mL at 15ºC and…

A:

Q: A solution contains 22.5 g of methanol , CH3OH , dissolved in sufficient water to give a total mass…

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

Q: A 1.10 g sample of an unknown compound reduces the freezing point of 75.22 g benzene from 5.53 to…

A: Given: Mass of substance (solute) = 1.10 g mass of benzene (here solvent) = 75.22 g Initial…

Q: Pentane (C5H12) and hexane (C6H14) form an ideal solution. At 25°C the vapor pressures of pentane…

A:

Q: The density of an aqueous solution containing 15.0 percent ethanol (C2H5OH) by mass is 0.974 g/mL.…

A:

Q: The normal boiling point of methanol is 64.7°C. A solution containing a nonvolatile solute dissolved…

A: Given datas ;  At 64.7°C , Psoln = 670.0 torr  Vapour pressure of pure solvent (Methanol)  = 1.0 atm…

Q: What volume of ethylene glycol (C2H6O2), a nonelectolyte, must be added to 14.0 L water to produce…

A: ∆Tf = Kf x Molality Molality = Number of moles of solute/Mass of solvent in Kg

Q: Consider following aqueous solutions: 2.75 m sucrose / 1.50 m NaC1 / 1.00 m LiPO4 / Pure Water /…

A: