7. A 14.5 g sample of a nonionic solute is dissolved in 50.0 g of water. The solution freezes at -2.50 °C. Calculate the molar mass of the solute.

Q: An aqueous solution of ethanol (MM = 46.07 g/mol) has a molality of 14.83 m and a density of 1.100…

A: By given values and interpretation of data solution is given as follows. hope is helps

Q: Determine the molality of a solution formed by dissolving 37.2g of Lil in 500 mL of water. density…

A:

Q: Calculate the molality of a solution formed by dissolving 49.6 g of lithium iodide (LiI) in 500.0 mL…

A:

Q: A solution contains 20.5 g of sodium chloride dissolved in sufficient water to give a total mass of…

A: Molality is represented by ‘m’ and is defined as the number of moles of solute present in 1 kg of…

Q: When a 33.8-g sample of an unknown compound is dissolved in 500. g of benzene, the freezing point of…

A: Given: Mass of the unknown compound dissolved = 33.8 g Mass of benzene taken = 500 g The freezing…

Q: 11.What is the molality of a solution made by dissolving 29.9 grams of LiBr in 915 grams of water?

A:

Q: A 250. mL aqueous solution prepared by dissolving 55.0 g of a non-electrolyte solute had a freezing…

A: Depression in freezing point describes that the freezing point of a liquid (a solvent) is epressed…

Q: What is the molality of a solution made by dissolving 9.43 grams of MnCl 2 in 385 grams of water?…

A:

Q: Calculate the mass of potassium permanganate present in 500.0 mL of a 0.100 N solution.

A: Step : 1             Calculate the mass of potassium permanganate.

Q: A 150.0 mL solution is made by dissolving 16.0 g of NaF in water and has a density of 0.89 g/mL.…

A:

Q: Calculate the molality of a 6.09 M ethanol (C2HSOH) solution whose density is 0.9291 g/mL 8.98 m…

A: Introduction The relation between molality (m) and molarity (M) is as follows:

Q: What is the molality of a solution of 2.50 g sodium phosphate dissolved in 230g water?

A: Moles of solute ( Na3PO4 ) = 2.50164=0.015244 mol  Mass of solvent ( water ) = 230 g = 0.230 kg…

Q: What is the Molarity of a solution formed from dissolving 22.3 g sugar (Molar mass = 342.296 g/mol)…

A: Given weight of sugar= 22.3 g Molar mass of sugar= 342.296 g/mol Volume, V= 500 ml Number of…

Q: An aqueous solution of fructose (MM = 180.2 g/mol) has a molality of 4.73 m and a density of 1.30…

A:

Q: Calculate the molality of a solution containing 635 mg of Calcium nitrate dissolved in 5.50 mL of…

A:

Q: An aqueous solution of glucose (MM = 180.2 g/mol) has a molality of 3.47 m and a density of 1.20…

A:

Q: A 250. ml aqueous solution prepared by dissolving 55.0 g of a non-electrolyte solute had a freezing…

A: Volume=250mL Weight of solute=55.0g Freezing point=-2.34°C  Kf=1.86°C/m

Q: A 50.0-mL solution is initially 1.55% MgCl2 by mass and has a density of 1.05 g>mL. What is the…

A:

Q: What is the molality of a solution produced by dissolving 14.40 g of LiCl (42.39 g/mol) in water to…

A: Given: mass of LiCl = 14.40 g molar mass of LiCl = 42.39 g/mol volume of solution = 0.104 L density…

Q: If 0.98 g of an unknown was dissolved in 10.30 g of solvent and the resulting solution has a…

A: Molality is moles of the solute that is present in 1000g or one kilogram(Kg) of solvent. Its SI unit…

Q: If you dissolve 2.00 g of calcium nitrate in 750 g of water, what is the molality of calcium…

A: Given,Molar mass of calcium nitrate=164.088 g/molmass of calcium nitrate=2 gmass of…

Q: What mass of ethylene glycol (C2H6O2), molar mass 62.1 g/mol), the main component of antifreeze,…

A: the freezing point of the solution = 10.0 °F = (10°F − 32) × 5/9 = -12.22°C Depression in freezing…

Q: What is the molality of a solution that has been prepared by mixing 54.3 g of sodium chloride with…

A:

Q: An aqueous solution of ethanol (MM = 46.07 g/mol) has a molality of 12.15 m and a density of 1.100…

A: Solution :The values provided in the question are:i) Molarity of ethanol solution = 12.15 mii) Molar…

Q: What is the Molarity of a solution formed from dissolving 22.3 g sugar (Molar mass = 342.296 g/mol)…

A:

Q: A 4.10 molal solution of NaOH has a density of 1.21 g/ml. What is the molar concentration of the…

A: The given data is as follows: The molality of NaOH solution = 4.10 molal The density of solution =…

Q: Calculate the molality of a 6.35 M ethanol (C,H5OH) solution whose density is 0.9265 g/mL. A 12.3 m…

A: Introduction The concentration of a substance can be expressed in several quantities such as moles,…

Q: How would you prepare 455g of an aqueous solution that is 4.45% by mass of Barium hydroxide ? What…

A: Given: Mass of solution = 455 g. And percent by mass of barium hydroxide i.e. Ba(OH)2 = 4.45 %.

Q: An aqueous solution of ethanol (molar mass = 46.07 g/mol) has a molality of 12.15 m and a density of…

A: Answer:- This question is answered by using the simple cocept of calculation of molarity using the…

Q: Calculate the vapor pressure for the first solution at 20'C. Consider two solutions, one formed by…

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

Q: The density of an aqueous solution that is 17.1% potassium chlorate by mass is 1.152 g/mL. Calculate…

A:

Q: At 20 °C, an aqueous solution of NaCl was prepared by dissolving 11.44 g NaCI (Molar Mass = 58.44)…

A: Molality (m) :-  The number of moles of solute dissolved in one kg (kilogram) of solvent is defined…

Q: Determine the molality of a solution in which 9.1 grams of sucrose CHOn are dissolved in 1198grams…

A: Given: Mass of sucrose = 9.1 g  Mass of solvent = 1198 g  To find: Molality

Q: How many grams of nonelectrolyte (98.2 g/mol) would you need to dissolve in 0.864 L of water in…

A:

Q: A 225-g sample of KNO3 is completely dissolved in 250 g of water at 60 °C. The solution is gradually…

A: Amount of KNO3(s) initially dissolved in 250 g water at 60 oC = 225. g Given the solubility of…

Q: A 1.25 M fructose (C6H12O6) solution has a density of 1.69 g/mL. What is the molality of this…

A: Given, Molarity of fructose solution = 1.25 M Density of the solution = 1.69 g/mL Note:  Molar mass…

Q: An aqueous solution of hydrochloric acid contains 28% HCl (36.45 g/mol) by mass. What is the molal…

A: The mass of solute in gram present in 100 g solution is known as the mass percent concentration of a…

Q: A solution of NaCl (58.44 g/mol) in water has a concentration of 20.5% by mass. What is the molarity…

A: Given that mass percent of NaCl solution is 20.5%.

Q: A solution of aqueous substance(molar mass 90.8g/mol has a molarity of 2.1M and density of 1.08…

A:

Q: A solution of H2SO4(aq) with a molal concentration of 6.80 ? has a density of 1.318 g/mL. What is…

A: Given:Density = 1.318 g/mLMolal conc. = 6.80 We need to find the molar concentration of this…

Q: Molality is defined as g solute/L of solvent mol solute/kg of solution mol solute/L of solution mol…

A: In this question we have to tell the molality of the solution.

Q: An aqueous solution of glucose (MM = 180.2 g/mol) has a molality of 1.81 m and a density of 1.20…

A: Molarity is defined as the amount of the substance in a certain volume of solution or it is also…

Q: 1. What is the molality of a solution of 2.50 g Na,PO, dissolved in 230 g water?

A: Molality is an important method to determine the concentration of a solution. It is generally…

Q: The freezing point of an aqueous solution containing 35 g of an nonelectrolyte in 150 mL water is…

A:

Q: 1.13 M solution of KOH has a density of 1.05 g/mL. The molality of solution is ______

A:

Q: 8.Ethylene glycol (EG), CH2(OH)CH2(OH), is a common automobile antifreeze. Calculate the freezing…

A:

Q: Why is entropy important in discussing the formation of solutions?

A: Entropy is the measure of energy dispersal in a system.

Q: 6. (a) Ethylene glycol (EG), CH:(OH)CH2(OH), is a common automobile antifreeze. It is water soluble…

A: When a non-volatile solute is added to a pure solvent the freezing point of the solvent decreases.…