Explain the molecular reason why the vapor pressure decreases when glycerol (C3H5(OH)3) is dissolved in the solvent

Q: What is the mole fraction of sucrose when 433 g sucrose C12H22011 (molar mass 342.3 g/mol) is…

A: Mole fraction of sucrose =it is the ratio of  number of moles of sucrose to the total number of…

Q: Solutes have almost no effect on the boiling & freezing points of a solvent.  True  False

A: 1- In this question, we will see the true and false for the given statement.  You can see below,

Q: What is the minimum mass of glycerol (C3H8O3) that must be dissolved in 11.0 mg of water to prevent…

A: Calculation of molality: ∆Tf=Kf×mTf-Tf°=Kf×m0-(-15)=1.86×m15=1.86×mm=8.0645 m

Q: what is the osmotic pressure of solute ( carbonic acid ) in mm Hg at 30°C (R=62.36 L-mm Hg/mol-K) in…

A: Osmotic pressure = CRT  C is concentration  R is gas constant  T is temperature

Q: Glucose makes up about 0.10% by mass of human blood. Calculate concentration in ppm

A: Given : percent by mass of glucose in blood = 0.10 % Assuming 100 g of blood.

Q: What specifically occurs when a liquid mixture is distilled?     1)    Components of a solid…

A: The process in which selective boiling and then condensation of a particular component of a liquid…

Q: Which molecule would you expect to be more soluble in water: CH,CH-CH,OH or НОCH,CH,CH,OH?

A: Alcohols can form hydrogen bond in water, therefore, they are soluble in water.

Q: A solution is prepared by dissolving 35.0 g of hemoglobin (Hb) in enough water to make up 1 L in…

A: Solution - According to the question

Q: When 274. mg of a certain molecular compound X are dissolved in 100g of formamidethe freezing point…

A:

Q: What is Brownian motion, and what causes it?

A:

Q: what mass of Glycerin c3h8o3 a nonelectrolyte, must be dissolved in 200.0 g water to give a solution…

A: Freezing point depression constant, kf = 1.86 oC.kg/mol Freezing point of glycerin solution =…

Q: Osmotic pressure may be used to determine the molecular weight of pure substances. It is an…

A: Given data: The volume of solution V = 1.0 mL = 0.001 L. The mass of protein m = 1.5 ×103 g. The…

Q: What is the boiling point of a solution formed by dissolving 0.75 mol of KCl in 1.00 kg of water?

A:

Q: How can the Hydrophobic colloids be stabilized by hydrophilic groups on their surfaces?

A: The hydrophobic colloids be stabilized by hydrophilic groups on their surfaces has to be explained…

Q: What is the boiling point elevation when 165 g of lactic acid (C6H10O5) is dissolved in 668 g of…

A: The boiling point elevation has to be calculated,

Q: In what solvent will salt (NaCl) freely dissolve? Is it in water or in oil? explain why.

A: NaCl is ionic salts and act as polar molecule.  Large differences in the electronegativities of…

Q: Why isn't NaCl soluble in acetone?

A: Sodium chloride is an ionic compound and it is soluble only in polar solvents which dissociates it…

Q: Estimate the molecular weight of a polymer if a 100.-mL solution of 10.5 g of the polymer in toluene…

A:

Q: How many of the following are soluble in in water?   CCl4           NaCl            C5H14…

A: the given compound are: CCl4     ,   NaCl  ,      C5H14   ,   C12H22O11   ,    LiI   ,   NH4Cl

Q: What specifically occurs when a liquid mixture is distilled? 1) Components of a solid mixture are…

A: Distillation is separation technique used for separation of liquids. This technique is used to…

Q: Why do raisins float in mineral water with salt compared to distilled water with salt (where it…

A: Given: raisins float in mineral water with salt compared to distilled water with salt (where it…

Q: What’s the osmolarity of 1.2 M K3PO4 solution ?

A: Osmolarity can be defined as the number of solute particles present in the solution, which may be…

Q: What are lyophobic colloids? Give one example for them.

A:

Q: What type of intermolecular force will act when Magnesium chloride (MgCl2) dissolved in water?

A: The type of intermolecular force will act, when magnesium chloride dissolved in water has to be…

Q: The osmotic pressure of a 0.010 M MgSO4 solution at 25°C is 0.318 atm. Calculate i, the van't Hoff…

A: Given: Concentration of MgSO4 = 0.010 M Temperature = 25 oC And osmotic pressure of solution = 0.318…

Q: what is the boiling point of a solution formed by dissolving .75 mol of KCl in 1.00 kg of water?

A: The boiling point elevation is given by

Q: Explain how you would prepare the following solutions of 500mL of a 40.0% (w/v) alcohol solution…

A: Given: The volume of the solution is 500 mL. The percent of weight by volume is given 40 %. It means…

Q: Determine the molecular mass of a solution if prepared by dissolving 6.00 g of an unknown…

A:

Q: Which of the following is less soluble in water, ethanol (C2H5OH) or BaSO4.

A: The formation of a solution between a solute and a solvent after the solute being dissolved in that…

Q: How many of the following are substantially soluble in hexane? C 6H 12 KBr C 12H 26 C 9H 20 NaBr…

A: Solubility based on the principle that "Like dissolves Like" means polar species dissolves in polar…

Q: A solution of lead(II) bromide was found to have an osmotic pressure of 0.0452 atm at 25.0 oC. What…

A: The osmotic pressure of a solution (Π) is expressed in the form of iCRT where (i) is the Vant-Hoff…

Q: The solubility of carbon tetrachloride (CCl4) in water at 25 °C is 1.2 g/L. The solubility of…

A:

Q: The osmotic pressure of a 14.538 mM solution of LiCl is 343.095 mm Hg at 27.84 °C. How many ions per…

A: Given:  Osmotic pressure = 343.095 mm Hg  Concentration (C) = 14.538 mM  Temperature = 27.84°C

Q: (a) Why does a 010 m aqueous solution of NaCl have a higher boiling point that a 0.10 m aqueous…

A: The boiling point of a solution is the temperature at which it starts boiling and the liquid phase…

Q: A solution is prepared by dissolving 0.500 g of a polymer in 0.200 L toluene. The osmotic pressure…

A:

Q: A 267−mL benzene solution containing 2.27 g of an organic polymer has an osmotic pressure of 7.37 mm…

A: 267 mL of benzene solution contains 2.27 g of an organic polymer has an osmotic pressureof 7.37 mm…

Q: Suppose you are presented with a clear solution of sodium thiosulfate, Na2S2O3. How could you…

A: A solution is said to be saturated when it cannot dissolve any extra solute in it. A solution is…

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: What is the osmolarity of a 1.1 M K3PO4 solution.

A: Osmolarity = Molarity × n  Where n is the number of ions (cations + anions) in an ionic compound.

Q: Calculate the osmotic pressure of 0.12  C6H12O6 (nonelectrolyte) at 25°C

A: Osmotic pressure: Osmotic pressure is a colligative property. The osmotic pressure of the solution…

Q: What is the boiling point elevation when 165 g of lactic acid ( C6H10O5) is dissolved in 668 g of…

A: The given problem can be solved by using the formula given below as;…

Q: What is the molarity of a solution of a polypeptide which has an osmotic pressure of 0.139 atm at…

A: Given : Osmotic pressure = 0.139 atm  And temperature = 37.0 oC

Q: A saturated solution of ionic salt MX exhibits an osmotic pressure of 74.4mmHg at 25 degrees…

A:

Q: Dissolving a solute such as KOH in a solvent such as water results in an increase in the freezing…

A: KOH is a non volatile solute. So on addition of non volatile solute to a volatile solvent vapour…

Q: A solution is prepared by dissolving 0.500 g of a polymer in 0.200 L toluene (an organic solvent).…

A: The minimum pressure that is applied to a solution so that the movement of its pure solvent through…

Q: Why is ethyl acetate soluble in hexane using intermolecular forces

A: Solubility follows the rule of like dissolve like. This means that polar solute dissolves in polar…

Q: 10 g of glucose (π1), 10 g of urea (π2) and 10 g of sucrose (π3) are dissolved in 250 mL of water at…

A: Osmotic pressure: It is the amount of pressure that must be supplied to block the movement of…

Q: A solution of acetone and 2-proanol was found to boil at 76°C (760 Torr). Which component is in…

A:

Q: Explain why 0.10 M sucrose and0.10 M calcium chloride solutions do not have the same osmotic…

A: Osmotic pressure can be  defined as the pressure that must be applied on the solution side to stop…

Q: If a tablet containing 100 mg of caffeine (C3H10N4O2) is dissolved in water to give 10.0 oz of…

A: First we have to calculating the moles of caffeine:

Q: What is the melting point of a solution that is formed when 620 g of ethylene glycol (C2H6O2) is…

A: