A solution of 2.0g of an organic compound in 120g benzene has a freezing point of 4.20˚C. Compute for the molality of the solution and the molar mass of the solute.

Q: The vapor pressure of an ideal aqueous glucose, C6H12O6, solution at 37 deg C is 10.4 torr. Compute…

A: We know that , Mole fraction of A = No of moles of A / Total number of mole present in that system.…

Q: Determine the molality of solution consisting of a 360g acetic acid (CH3COOH) and 600g of water.

A: We are given 360g acetic acid in 600g of water, and we need to find molality of this solution.

Q: 0.9% (w/v) sodium chloride (MW = 58.44 g/mol) solution (Normal Saline Solution) has an osmotic…

A: Mole fraction of a particular gas in a mixture is defined as the ratio of the number or count of…

Q: In the following reaction calculate and find the normality when it is 1.0 M H3PO4 H3ASO4 + 2NAOH -…

A: If H3PO4 used,then H3PO4 +NaOH-Na2HPO4+ 2H2O In the above equation replacable Hydrogen atom=2…

Q: An aqueous sodium acetate, NaC,H,O, , solution is made by dissolving 0.345 mol NaC,H,0, in 0.550 kg…

A: Given: Moles of NaC2H3O2 i.e. solute = 0.345 mol. And mass of water i.e. solvent = 0.550 Kg.

Q: Compute for the molarity (M), molality (m) and normality (N ) of the following solutions. a. 2.50…

A: Given,  Compute for the molarity (M), molality (m) and normality (N ) of the following solutions. If…

Q: Show the calculation steps that could be used to calculate the molality if given the mass of a…

A: Molality of solution can be defined as the number of moles of solute dissolved per kilogram of…

Q: The molar mass of unknown molecular compound is determined using freezing point depression. The…

A: Freezing point (Tf) - Temperature at which vapor pressure of solid exactly equals to vapor pressure…

Q: 18- Calculate the (a) molar concentration and (b) Molality of a sulfuric acid solution of density…

A: In order to find out the molarity (molar concentration) and molality of the given solution, mass of…

Q: A solution contains 3.86g of magnesium chloride and 250g of water. Compute for the freezing point…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: Calculate the boiling point of a 14.75 m aqueous solution of fructose. Boiling point constants can…

A:

Q: Calculate the molality of a 1.76M aqueous solution. The solute has a molar mass of 120.5g/mol, and…

A:

Q: Ice cream is made by freezing a liquid mixture that, as a first approximation, can be considered a…

A: ice cream- solution of sucrose in water sucrose= C12H22O11( molecular weight=342.3) concentration=…

Q: Under what condition molality and molarity are identical. Explain with suitable reason.

A: Under what condition molality and molarity are identical has to be given.

Q: Calculate the molality of KCl in the solution.

A: Molality is defined as number of moles of solute present per kilogram of solvent. It is represented…

Q: Perchloric acid (HClO4, MW = 100.458) is commercially available as a 72.5% solution with a density…

A: The question is based on the concept of mass percentage.   amount of substance present in hundred…

Q: What kind of colloidal system is the calcium acetate gel and how is it formed? What is/are the…

A: Colloidal systems are those which are mixtures of components. Colloidal particles are intermediate…

Q: How many moles of solute are in a 2 molal solution if there is 4790g water?

A: Molality can be calculated as below:

Q: At 20°C, the vapor pressure of toluene is 0.0289 atm andthe vapor pressure of benzene is 0.0987 atm.…

A:

Q: An aqueous NaCl solution is made using 138 g of NaCl diluted to a total solution volume of 1.25 L.…

A: The concentration of any solution in molality is given as the no of moles of solute present in per…

Q: A solution of sucrose (MM = 342.3 g/mol) has the concentration of 0.15 M and a density of 1.018…

A:

Q: Explain into details everything about industrial application of colloidal systems

A: A colloid is used as thickening agents in industrial products such as lubricants, lotions,…

Q: Define the terms, ‘osmosis’ and ‘osmotic pressure’.What is the advantage of using osmotic pressure…

A: Solutions are made of solute and solvent molecules. Several properties are there for measuring the…

Q: An aqueous solution of chromium(II) nitrate has a concentration of 0.447 molal. The percent by mass…

A: An aqueous solution of Chromium(II)nitrate has a concentration of 0.447 molal.

Q: A solution is 55.5 % chromium (III) sulfate by mass. The density of this solution is 1.89 g/mL.…

A: Given: Density of solution = 1.89 g/mL. And percent by mass of Chromium (III) sulfate i.e. Cr2(SO4)3…

Q: A solution contains only sucrose and water. If the mole fraction of sucrose is 0.0558, determine the…

A: Molality can be determined from mole fraction of solute using the given formula,

Q: A solution contains 3.86g of magnesium chloride and 250g of water. Compute for the freezing point…

A: Applying formula ∆T = i×kf×m

Q: If a certain mass of an ionic solute is added to a solvent such as water, which of the following…

A: The temperature at which the liquid changes to a solid. is known as the freezing point. The freezing…

Q: A solution contains 45.0 g of methanol, CH3OH, dissolved in sufficient water to give a total mass of…

A: In chemistry, mole is a standard notation which is used to measure the quantity of the amount of…

Q: Disinfectants has a 3.0% (by mass) concentration of hydrogen peroxide (H2O2) in water. If the…

A: Given,  Mass percent of H2O2 in solution = 3.0%  Density of the solution = 1.0 g/cm3  a. Calculate…

Q: How can we calculate the Vapor Pressure of a Two-Component Solution?

A: The measure of ability to material to convert into the gaseous state (or) vapor state is known as…

Q: Determine the moles of solute in a 350g solution that is 2.5 molal.

A: We are given molality and mass of solution. we would use formula of molality to calculate moles.

Q: The colloidal solution consider as particles with radius of range- ----- O 10 5 - 10 7 cm O 10-7 -…

A: By the analysis of the particles size in the different Solution , we can classify this solution in…

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: A 4.0mg sample of a certain protein is dissolved in 20.0mL solution. The solution exhibits an…

A: Given information,     4.0mg (=0.004 g) sample of a certain protein is dissolved in 20.0mL (= 0.020…

Q: A sample of commercial concentrated hydrochloric acid is 11.8M and has a density of 1.190 g/mL.…

A:

Q: A solution contains 45.0 g of methanol, CH,OH, dissolved in sufficient water to give a total mass of…

A:

Q: Why is it necessary to express the concentration of solute in units of molality rather than…

A: Given : We have to tell why there is need to tell mass of solute in terms of molality .

Q: calculate the freezing temperature of the following solution of 0.50 M sodium chloride. Assume that…

A: The question is based on the concept of solutions.   Molality is a method of expressing…

Q: A 0.5 M NaOH solution has a density of 1.0295 g/mL. Calculate the w% and the molality of the 0.5 M…

A: 0.5M NaOH solution means 0.5 moles NaOH is present in 1000mL solution weight of solute NaOH =…

Q: The vapor pressure of pure acetone (propanone) is 266 torr. When a non-volatile solute is added, the…

A: Answer: This question is based on Raoult's law.

Q: The density of sulfuric acid (H2SO4) solution from a car battery is 1.225 g. /mL If this…

A: To solve this problem we have to do the following calculation 3.56 mol of H2SO4 is dissolved 1.0 L…

Q: How can we calculate the freezing point of a solution prepared from a solvent and nonvolatile…

A: Given : Non-volatile solute in a solution  To find : Calculation of a freezing point of solution.…

Q: I add a non-volatile solute to a pure solvent to form a solution. Will the vapor pressure of this…

A: It is given that a solution is formed by the addition of non-volatile solute.

Q: The vapor pressure of a solution containing a nonvolatile solute is directly proportional to the A…

A: Answer of the question given below....

Q: A solution is made by dissolving 0.741 mol of nonelectrolyte solute in 857 g of benzene. Calculate…

A: Number of moles of non - electrolyte solute  = 0.741 mol Mass of Benzene  = 857 g

Q: You make a solution of a nonvolatile solute with a liquid solvent. At any temperature, the vapor…

A: Vapor pressure: The pressure which is exerted by vapors present in thermodynamic equilibrium with…

Q: Calculate the freezing point of a 2.9 m aqueous sucrose solution. (Assume that Kf for water is…

A: Molality= 2.9m Kf of water=1.86°C/m