What is the basis in the simplified determination of the van't Hoff factor of electrolytes? A Concentration Temperature c) Number of ions D Number of atoms

Q: A solution of ethylene glycol and water has a vapor pressure of 7.88 torr at 10°C. Pure water has a…

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Q: The concentration that refers to the number of equivalence per liter of the solution is called ?…

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Q: Choose the aqueous solution that has the highest boiling point. These are all solutions of…

A: The elevation in boiling point is a colligative property and it does depend on the number of…

Q: Consider two solutions, one formed by adding 10g of glucose (C6H12O6) to 1 L of water and the other…

A: For the first solution, to calculate the vapor pressure, we need to calculate the mole fraction of…

Q: Choose the aqueous solution that has the highest boiling point. These are all solutions of…

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Q: Why is the composition of the vapor different from the composition of the solution?

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Q: Why is molality, and not molarity, used to express concentration in the equations for freezing point…

A: Molality is defined as number of moles of solute divide by mass of solvent in kilograms whereas…

Q: Hydrochloric acid is usually obtained as a 36% hydrochloric acid solution. If it is 13.42 M, what is…

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Q: Why do colloids exhibit the Tyndall effect but solutions do not?

A: A solution can be defined as the mixture of solute with solvent. Here solute is the substance in…

Q: What is the osmotic pressure (in units of atmospheres) of a 0.114 M strontium bromide solution at…

A: Given,  Concentration of SrBr2 = C = 0.114 M  Temperature in °C = 18.0 °C  What is the osmotic…

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: Describe what a colligative property is and explain the Van’t Hoff factor?

A: A colligative property is described below and explains the Van’t Hoff factor.

Q: a sulfuric acid solution has a density of 1.85 g/cc. calculate the molality and normality of 2 liter…

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Q: What is a nonvolatile nonelectrolyte? Why is this type of solute the simplest case for examining…

A: Non-volatile means a substance which do not form vapors easily and thus possess a low vapor pressure…

Q: The osmotic pressure of 0.010 M solution of CaCl2 and urea at 25 degrees celsius are 0.605 atm and…

A: Given : Osmotic pressure of CaCl2 solution = 0.605 atm Osmotic pressure of urea solution = 0.245 atm…

Q: What is the effect of a nonvolatile solute on the vapor pressure of a liquid?

A: The non-volatile solute is the type of solute that does not evaporate on its own. That is, the…

Q: An aqueous solution contains 0.25 mol of solute and 1.75 mol of solvent. Calculate: A.) The mole…

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: Calculate the molal concentration, molar concentration, and mole fraction of 6.25% solution of H3PO4…

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Q: Calculate the van’t Hoff factor, i, for the following weak electrolyte solution: 0.050 m HCHO2,…

A: 1- In this question, we want to determine the van't hoff fector ( i )  You can see the solution…

Q: Formic acid (HCO2H) is a monoproteic acid that is partially ionized in aqueous solution. A 0.10 M…

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Q: An aqueous solution of hydrochloric acid is 15 molal with respect to HCI 200 and has a density of…

A: Molarity is defined as the number of moles of the solute divided by the volume of the solution in…

Q: What is the Van't Hoff factor (i) of Titanium (IV) nitrate when dissolved in water? Assume ideal…

A: Van't Hoff factor (i) is equal to the number of ions that a molecule of a given substance will form…

Q: A solution of iodine in carbon tetrachloride has a density of 3.22 g/mL and a concentration of 3.00…

A: (4)  Given that -  Density of solution of iodine in Carbon tetrachloride  = 3.22 g/mL  Concentration…

Q: Define the term molarity,molality, formality and normality?

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Q: A solution contains 0.209 mol Ca(NO3)2 and O.997 mol H20. Calculate the vapor pressure of the…

A: The formula for the calculation of vapour pressure of the solution is

Q: A 40.0% by mass solution of HC1 has a density of 1.198 g/mL. Determine the molarity and molality of…

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Q: Which statement below best explains why the lowering of the vapor pressure by a nonvolatile solute…

A: The lowering of the vapor pressure by a nonvolatile solute can be discussed,

Q: Why is the vapor pressure of a solution different from the vapor pressure of the pure liquid…

A: While adding the non-volatile solute into the solvent, the tendency of solvent molecule to evaporate…

Q: A 2.0 gram sample of a non-electrolyte is dissolved in 100 grams of water. If the resulting solution…

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Q: When a solute is dissolved in a liquid, the vapor pressure is increased because the surface area…

A: The vapour pressure of solution is defined as the pressure exerted by the vapours in the equilibrium…

Q: Calculate the molality of a 8.30% (by mass) aqueous solution of hydrochloric acid. 1.24 m O 0.819 m…

A: Given 8.30% (by mass) aqueous solution of hydrochloric acid. standard values Molar mass of HCl =…

Q: What is the Van't Hoff factor of Carbon Monoxide when dissolved in water? Assume ideal behavior

A: van't Hoff factor is actually the measurement of solute effects on collegtive properties such as ,…

Q: The mole fraction of copper (II) nitrate in an aqueous copper (II) nitrate solution solution is…

A: The aqueous copper (II) nitrate solution has water and copper (II) nitrate with it. The number of…

Q: An aqueous solution of HCl, contains 36%HCl by mass. a) Calculate the mole fraction of HCl in the…

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Q: Calculate the freezing point of an aqueous 0.10 m FeCl3 solution using a van’t Hoff factor of 3.2.

A: The depression in freezing point in terms of Van’t Hof factor is given by,…

Q: For a 1 M solution of NaCl calculate molality and mole fractions The density of the solution is…

A: Given : concentration of NaCl = 1 M And density of solution = 1.0 g/mL Assuming 1 L of solution i.e…

Q: A solution is made up by dissolving 15.0 g MgSO4· 7H2O in 140.0 g of water. What is the molality of…

A: Since molar mass of solute i.e MgSO4.7H2O = Atomic mass of Mg + Atomic mass of S + Atomic mass of O…

Q: Which of the following are measures of the concentration of solution? a) molality b) mass percent…

A: Molality = It is defined as moles of solute per kg of solvent.

Q: A solution of sodium chloride in water has a vapor pressure of 19.6 torr. What is the mole fraction…

A: Given data, The vapor pressure of pure water = 23.8 torr. The vapor pressure of solution = 19.6…

Q: Explain the existence of colligative properties using the concept of chemical potentials.

A: Colligative properties

Q: When dissolved in water, what is the van't hoff factor of nicotine? Explain why.

A: Van't hoff factor (i)is the number of ions a solute produces in solution after dissociation. When a…

Q: What is the basis in the simplified determination of the van't Hoff factor of electrolytes? O…

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Q: For an aqueous solution of HF, determine the van't Hoff factor assuming 0% ionization.

A: For an aqueous solution of HF, assuming 0% ionization means it does not dissociate into ions .…

Q: Explain why it is the freezing point depression of a solvent does not depend on the identity of the…

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Q: A solution containing ethylene glycol and water has a vapor pressure of 7.88 torr at 10 °C. Pure…

A: According to the Raoult’s Law: where P˚solvent = partial pressure of the solvent, Psolution is the…

Q: Why is Tyndall effect shown by colloidal solutions?

A: Tyndall effect is the dispersion of particles by light and its often used to differentiate the true…

Q: A student dissolves 16.g of benzoic acid C7H6O2 in 125.mL of a solvent with a density of…

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Q: added to a solvent such as water, which of the following boiling points is not reasonable for the…

A: As we know,  if we add Non-volatile solute in water , elevation in boiling point takes place. So,…

Q: How can we calculate the Vapor Pressure of a Solution Containing an Ionic Solute?

A: The pressure imposed between a vapor and its solid or liquid phase in a closed system at particular…

Q: Calculate the molality of a 5.14 M solution of sodium bicarbonate in water. The density of the…

A: The mole of solute present in one kilogram of the solvent is known as molality. The mole of solute…