4. Calculate the osmotic pressure associated with 50.0 g of an enzyme of molecular weight 98,000 g/mol dissolved in water to give 2600 mL of solution at 30.0 оС. A. 0.484 tor B. 3.71 torr С. 1.96 torr D. 2.48 torr 5. The vapor pressure of a solution containing a nonvolatile solute is directly proportional to the A. molality of the solvent. B. osmotic pressure of the solute. C. molarity of the solvent. D. mole fraction of solvent.

Q: Calculate the molality of chloride ions in an aqueous solution of magnesium chloride in which the…

A: To solve this problem we will use the formula of molality

Q: You have a solution which is 43.9% by mass isopropyl alcohol (MM = 60.11 g/mol) in water. The…

A:

Q: 2. Calculate the osmotic pressure of a solution that contains 1.22 g of sucrose (C12H22011)…

A: To solve this problem first we have to calculate the concentration of Solution then we will…

Q: The osmotic pressure of an aqueous solution at 309 K is 120 kPa. Calculate the freezing point of the…

A:

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 is 15.0% methanol (CH4O) by mass and has a density of 0.998 g/mL. a. Molarity b.…

A: Given,  The mass percentage of methanol by mass in aqueous solution = 15.0 % Density of a solution =…

Q: What mass of cesium bromide must be added to 0.500 L of water (d = 1.00 g/mL) to produce a 0.913 m…

A:

Q: The density of an aqueous solution containing 40.0% sulfuric acid (H2SO4) by mole is 1.681 g/mL. a)…

A: Given :-  Mass percent of H2SO4 = 40.0%  Density of aqueous H2SO4 solution = 1.681 g/mL  Molality =…

Q: A solution is prepared by dissolving 32.5 g of glucose (180.156 g/mol) in 593. g of water (18.015…

A: Given mass of Glucose = 32.5 gram Molar mass of Glucose = 180.156 g/mol Moles of Glucose =…

Q: Explain the influence of solutes on water properties. Does this reflect colligative properties?

A: A substance's colligative property is a characteristic that changes in accordance with the quantity…

Q: Calculate the molality of a solution formed by adding 8.30 g NH4Cl8.30 g NH4Cl to 14.3 g14.3 g of…

A:

Q: A solution was prepared by dissolving solute T in 115 g benzene. The freezing point of this solution…

A: Depression in freezing point is given by the expression:ΔT = Kf x m…

Q: Determine the vapor pressure at 25 °C of an aqueous ethylene glycol (C2H6O2) solution that is 14.8 %…

A: Given, 14.8 % C2H6O2 by mass means, mass of ethylene glycol = 14.8 mass of solution = 100 g molar…

Q: 10 grams of a non volatile and non dissociating solute is dissolved in 200 g of Benzene the…

A:

Q: Calculate the vapor pressure of a solution prepared by dissolving 90.0 g of naphthalene, C10H8 (a…

A: According to Raoult's law: "The vapor pressure of a solution containing non-volatile solute is equal…

Q: Calculate the mole fraction (of each component) of a solution prepared by dissolving 125 mL of pure…

A: It is defined as the number of moles of the solute to the total number of moles. mole fraction= no.…

Q: Predict the vapor pressure of a solution prepared by mixing 35.0 g solid Na3PO4 (molar mass = 163.9…

A: Given: Mass of Na3PO4 =35.0 g The molar mass of Na3PO4 =163.9 g/mol Mass of water =155 g The molar…

Q: What is the mass fraction of salt? A. 0.0476 B. 0.0500 C. 0.9524 D. 0.0876 What is the mole fraction…

A: Since you have posted questions with subparts , as per guidelines we can answer only three per…

Q: Calculate the mass (in g) of magnesium chloride (MgCl,) that would be needed to prepare 150 mL of a…

A: Given data contains, Volume of the solution is 150 mL. Mass percentage of aqueous solution of the…

Q: 1. Fill in the blanks in the table for aqueous solutions of the compounds shown. The density of the…

A:

Q: A solution was prepared by dissolving solute T in 105 g benzene. The freezing point of this solution…

A:

Q: An aqueous solution of hydrochloric acid contains 36% HCl (molar  mass=36.46 g/mol) by mass. (a)…

A: Molality is defined as number of moles of solute dissolved per kilogram of solvent.

Q: Calculate the osmotic pressure of a solution that contains 1.22 grams of sucrose dissolved in 100…

A: We have to calculate the osmotic pressure of solution.

Q: ) What is the mole fraction of HCl in a solution that is prepared by dissolving 25.5 g of HCl in…

A:

Q: The density of toluene 1C7H82 is 0.867 g>mL, and the density of thiophene 1C4H4S2 is 1.065…

A: Given that:  Density of Toluene = 0.867g/mL Density of Thiophene = 1.065g/mL Mass of Thiophene…

Q: You have a solution which is 47.8% by mass isopropyl alcohol (MM = 60.11 g/mol) in water. The…

A:

Q: A solution was prepared by dissolving solute T in 120 g benzene. The freezing point of this solution…

A: Given : Mass of solvent i.e benzene = 120 g = 0.120 Kg                                     (since 1…

Q: Determine the mass of LiBr required to produce a 0.4889 molal solution by dissolving LiBr in…

A:

Q: g of fructose (180.16 g/mol) are dissolved in 32.2 g of water (d = 1.00 g/mL, 18.02 g/mol). What…

A: Mole fraction is equal to moles of component divide by total moles of solution

Q: Calculate the molarity and molality of an NH3 solution made up of 25.0 g of NH3 in 55.0 g of water.…

A: Answers are explained below. Calculation for the molarity of the solution is as follows:

Q: A 0.194-g sample of a nonvolatile solid solute dissolves in 9.82 g of cyclohexane. The change in the…

A: The question is based on the concept of solutions. depression is freezing point is a colligative…

Q: Concentration of NaOH in HCl is 2.57% by mass. Density of HCl is 1.2g/cc. Determine molality of…

A: Relationship between %by mass and molality m=%by weight×1000/Molar mass of NaOH×(100−%by weight)…

Q: Which of the following factors affect the solubility of a gas in a liquid solvent? l. Pressure II.…

A: Solubility is the ability of a solid, liquid, or gaseous chemical substance (referred to as the…

Q: How many grams of NH3 must be dissolved in 345.4 mL of water to obtain a solution with a mole…

A:

Q: What are colligative properties? What is osmotic pressure?

A: The question talks about the concept of solutions. a solution is a homogeneous mixture having no…

Q: (6) Determine the vapor pressure of a solution at 25°C that contains 76.6 g of glucose (C6H1206) in…

A: The molar mass of water is 18 g/mol and the molar mass of glucose is 180 g/mol.   The 250 mL of…

Q: Biphenyl, C12H10,C12H10, is a nonvolatile, nonionizing solute that is soluble in benzene, C6H6.C6H6.…

A: it can be find out by Roults law .

Q: 1. Calculate the mass (in grams) of magnesium chloride (MgCl) that would be needed to prepare 250 ml…

A: Given, Volume of the solution = 250 ml Density of the solution = 1.1 g/ml Solution percent = 20 %…

Q: Solutions of hydrogen in palladium may be formed by exposing Pd metal to H2 gas. The concentration…

A: A solution is a homogeneous mixture of two or more components. Solution is always consists of solute…

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

A:

Q: vapor pressure

A:

Q: a) What is the mole fraction of the solvent? b) What is the %m/m of the solution? c) What is the…

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

Q: vapor pressure

A:

Q: An aqueous solution is 0.467 M in HCl. What is the molality of the solution if the density is 1.23…

A:

Q: An aqueous solution is 6.00 % by mass hydrochloric acid, HCl, and has a density of 1.03 g/mL. The…

A:

Q: A solution is made by dissolving 41.3 g urea (CH4N2O), a nonelectrolyte, in 275 g water. Calculate…

A:

Q: The solubility of O2 in water is approximately 0.00380 g L-1 when the temperature is 25.0°C and the…

A: The Henry's law is defined by the given formula: => Cg = KHP where, KH = Henry's Law constant Cg…

Q: A solution was made by dissolving 10.000 g of NaCl (58.44 g/mol) in 150. mL (assume 1g/mL) of water.…

A:

Q: A 2.039 mass % aqueous solution of potassium hydroxide has a density of 1.05 g/mL. Calculate the…

A:

Q: Calculate the vapor pressure of a solution prepared by dissolving 90.0 g of naphthalene, C10H8 (a…

A: