A solution of ethylene glycol and water has a vapor pressure of 7.88 torr at 10°C. Pure water has a vapor pressure of 9.21 torr at 10°C. What is the mole fraction of ethylene glycol in the solution? A. 0.144 B. 0.169 C. 0.748 D. 0.856

Q: Calculate the vapor pressure at 50°C of a coolant solution that is 51.0:49.0 ethylene…

A: Raoult’s law: Raoult’s law states that partial pressure of the substance above a solution is equal…

Q: At a given temperature the vapor pressures of benzene and toluene are 183 mm Hg and 59.2 mmHg,…

A: Mole fraction of benzene, Xb = 0.600.Therefore, mole fraction of toluene, Xt = 1- 0.600 = 0.400

Q: Calculate the vapor pressure at 85.0°C of a solution prepared by dissolving 0.200 mol of liquid…

A: The vapor pressure of a solution at certain temperature is equal to the sum of vapor pressure of…

Q: An aqueous solution contains 44.7 g of HCI by mass. Calculate the mole fraction of the solution.

A:

Q: A solution was made by dissolving 8.01 g sodium chloride (NaCl) in 46.5 g water (H2O). What is the…

A: Given: Mass of sodium chloride (NaCl)=8.01 g Mass of water (H2O)=46.5 g The molar mass of sodium…

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

A:

Q: A solution is prepared by dissolving 17.75 g sulfuric acid, H2SO4, in enough water to make 100.0 mL…

A: Number of moles of sulfuric acid = given mass / molar mass =17.75 g / 98.079 g/mole = 0.18 mole

Q: Which solution has lower vapor pressure? A.) a 0.2M KNO3 Solution B.) all four solutions given have…

A: Colligative properties : Those physical properties of a solution which depend upon the number of…

Q: Sucrose (C12H22011) is a nonelectrolyte. A solution is prepared by dissolving 68.5 g sucrose in…

A: Given : Mass of sucrose = 68.5 g Volume of H2O = 250.0 mL And density of solution = 1.06 g/mL Since…

Q: solution in a sealed flask contains 15 g of sodium chloride in 150 mL water. Given the vapor…

A: Given mass of sodium chloride = 15 g Molar mass of sodium chloride = 58.5 g/mol Number of moles of…

Q: A solution is prepared by adding 0.166 moles of Mg(NO3)2 to 1.00 mole of water. Calculate the vapor…

A:

Q: how do you prepare a 0.100 M NaCl solution? 0.100 M NaCl will contain 0.100 mol NaCl perliter of…

A: Given: Moles of NaCl = 0.100

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: Statement: The vapor pressure of a solution is dependent on the mole fraction of the solvent. Is the…

A:

Q: A solution is composed of 1.90 mol cyclohexane (P°=97.6 torr) and 2.60 mol acetone (P°=229.5 torr).…

A: Explanation All liquids intend to vaporize independent of the temperature if the pressure is higher…

Q: Determine the osmotic pressure of a solution that contains 0.02 g of a compound (molar mass = 342…

A: Osmotic pressure of a solution can be calculated using: π = CRT

Q: The solubility of gases in water: gases are not soluble in water. O is independent of temperature.…

A: The solubility of gases in water has to be given.

Q: The boiling point of an aqueous solution is 101.72 ∘C.101.72⁢ ∘C. What is the freezing point?…

A:

Q: A solution contains 14.6 g of the substance bolognium and 14.6 g of caterium. Assuming ideal…

A:

Q: Twenty percent salt solution (%20)means that: 20 grams of salt dissolved in .A 100g of water .B 90g…

A: The solution composition can be described in mass percentage which shows the mass of solute present…

Q: An aqueous solution of ammonia, NH3, has a concentration of 0.292 mol/L and has a density of 0.996…

A: Assume No. of mole of ammonia = 0.292 moleMass of ammonia = (No. of mole of ammonia)*(molar mass of…

Q: Calculate the vapor pressure at 85.0°C of a solution prepared by dissolving 0.200 mol of liquid…

A: To calculate the vapour pressure of solution, Raoult's law has been used. PSolution =…

Q: 8) Determine the freezing point of a solution that contains 63.8 g of naphthalene (C10H8, molar mass…

A: 8)  Given, Mass of naphthalene (C10H8) = 63.8 g Molar mass of naphthalene = 128.16 g/mol Volume of…

Q: Describe four colligative properties of solutions.

A: Colligative properties are the properties of a solution that depend on the ratio of the total number…

Q: Two volatile substances are mixed with one another so that the solution has a vapor pressure of 125…

A: Raoult's law for volatile solute states that in a solution, the vapour pressure of a component at a…

Q: An automobile antifreeze solution contains 2.70 kg of ethylene glycol, CH2OHCH2OH, and 1.90 kg of…

A: Given : Mass of ethylene Glycol = 2.70 Kg Mass of water = 1.90Kg

Q: Calculate the freezing point and boiling point

A:

Q: (solute, solvent). (solute, solvent, solution) such (boiling point, The most active component of the…

A: We have to tell about the given passage. We know that the colligative property is the property of…

Q: The molarity of a potassium fluoride solution is 3.75. Calculate the mole fraction of potassium…

A: Moles fraction of a solute is determined by the following formula mole fraction =moles of…

Q: The freezing point of water is 0.00°C at 1 atmosphere. How many grams of ammonium iodide (145.0…

A:

Q: An ethylene glycol solution contains 26.6 gg of ethylene glycol (C2H6O2)(C2H6O2) in 94.6 mLmL of…

A: Molality (m) : Number of moles (n) of solute per Kg of solvent (W). m = nW Data given, Mass of…

Q: A solution contains 11 ppb of toluene. This means that ___.

A: The ppb stands for parts per billion.  It is a unit used to measure a very small amount of quantity.…

Q: Calculate the molarity of a 5%vinegar solution. Calculate the molality of a 5%vinegar solution.…

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Q: Which aqueous solution will have the lowest boiling point temperature? a. 0.100 molal NiBr2(aq) b.…

A: Relative lowering in the vapor pressure of a solution is a colligative property that depends on the…

Q: Calculate the vapor pressure at 85.0°C of a solution prepared by dissolving 0.600 mol of liquid…

A:

Q: A solution contains 0.115 mol H2O and an unknown number of moles of sodium chloride. The vapor…

A: Given,

Q: Calculate the vapor pressure at 85.0°C of a solution prepared by dissolving 0.450 mol of liquid…

A:

Q: Concentrated hydrochloric acid contains 1.15 mol HCl dissolved in 3.54 mol H2O. What is the mole…

A: Given, Moles of HCl (solute) = 1.15 mol Moles of water (solvent) = 3.54 mol

Q: Isopropanol (rubbing alcohol) is a common household product. Predict the solubility of this…

A: The compound given is Isopropanol.

Q: 4. At 50°C, the vapor pressure of CS2 is 854 Torr. A solution of 2.0 grams of sulfur in 100.0 gm of…

A: Relative lowering vapor pressure (RLVP) :- The ratio of lowering of vapor pressure to vapor pressure…

Q: The boiling point of pure benzene (C6H6) is 80.1C, a sample of 93.7mL of benzene is used to dissolve…

A: When chlorocyclohexane is added to benzene there will be an elevation in boiling point.The change in…

Q: A solution is prepared by adding 0.108 moles of Mg(NO3)2 to 1.00 mole of water. Calculate the vapor…

A:

Q: The freezing point of water is 0.00°C at 1 atmosphere.  How many grams of chromium(III) nitrate…

A: given,Chromium (III) nitrate Cr(NO2)3→Cr3++3NO3-⇒i(vant Hoff factor)=4

Q: How many moles of C,H,O were dissolved into 91.340 g of ethylene glycol, if the freezing point of…

A:

Q: termine the vapor pressure of an aqueous solution containing 45.00 g of glucose (a non-volatile

A: We have to Determine the vapor pressure of an aqueous solution containing 45.00 g of glucose

Q: concentration

A:

Q: A solution contains two volatile organic compounds as indicated in the table. What is the vapor…

A: Raoult's law:Raoult's law states that the partial pressure of each component of an ideal mixture of…