Calculate the molality of  the following solution: 25 g of I2 in 125 g of ethanol, C2H5OH

Q: The percent by mass of phenol (MM = 94.11 g/mol) in an aqueous solution is 16.3%. What is the…

A: Given, The percent by mass of phenol in an aqueous solution is 16.3% Molar mass of phenol = 94.11…

Q: The percent by mass of acetonitrile (MM = 41.05 g/mol) in an aqueous solution is 22.5%. What is the…

A: Given; The % by mass of acetonitrile = 22.5 % The molar mass of acetonitrile = 41.05 g/mol.

Q: What is the molality of a solution made by dissolving 36.5 gof naphthalene (C10H8) in 425 g of…

A: Given: Mass of naphthalene (C10H8) = 36.5 g Mass of toluene (C7H8) = 425 g = 0.425 Kg Molar mass of…

Q: The density of an aqueous solution containing 25.0 percent of ethanol (C2H5OH) by mass is 0.962…

A:

Q: What mass of NaNO3 should be dissolved in 45 mL of water so that the resulting solution freezes to…

A:

Q: How many grams of NaCl (molar mass = 58.44 g/mol) needs to added to 0.500 kg of water to create a…

A: Molality = number of moles of solute/Mass of slovent in kg Number of moles of solute = Mass of…

Q: A 0.944M solution of glucose, C6H12O6, in water has a density of 1.0624g/mL at 20oC. What is the…

A: Molarity=0.944 M           =no of moles of solutevoulme of solution in litre

Q: Calculate the molality of each of the following solutions: (a) 8.66 g of benzene (C6H6) dissolved in…

A: (a)Number of moles of benzene is determined to calculate its molality.

Q: An aqueous solution of molecular compound X freezes at -0.569°C. Calculate the molality of the…

A: Depression in freezing point (∆Tf) :-  When a non volatile solute is added to a pure solvent its…

Q: If a solution contains 0.817 g naphthalene dissolved in 21.3 g of cyclohexane, calculate the…

A: Given information:   The mass of Naphthalene = 0.817 g   Molar mass of Naphthalene = 128.17 g/mol…

Q: Calculate the molarity and the molality of an NH3 solution made up of 30.0 g of NH3 in 70.0 g of…

A:

Q: the percent by mass of glucose (MM=108.2g/mol) in an aqueous solution is 25.7% what is the molality…

A: Given, percentage by mass = 25.7 % Let the total mass of the mixture solution be 100 g Thus, mass of…

Q: Calculate the molality of a sulfuric acid solution containing 24.4 g of sulfuric acid in 198 g of…

A: Generally, solution is made up of solute and solvent. The which is present in large amount is known…

Q: n aqueous solution of concentrated nitric acid (HNO3) is 70.0% by mass. What is molality of this…

A: Molality is a property of a solution and is defined as the number of moles of solute per kilogram of…

Q: A solution is prepared by dissolving 4.00 g of NaOH in 100.00 g of water. The volume of the…

A: Given data  mass of NaOH added = 4.00 g mass of water used = 100.00 g Volume of solution = 102.00 mL…

Q: Determine the required concentration (in percent by mass) for an aqueous ethylene glycol (C2H6O2)…

A: The elevation in boiling point of water is calculated by the formula,

Q: Calculate the mass of nitric acid dissolved in 0.48kg of water. The molality of the solution is 2.87…

A: The solution is as follows :

Q: Calculate the molality of each of the following solutions: (a) 16.9 g of sucrose (C12H22011) in 741…

A:

Q: Calculate the molality of a solution containing 10.8 g of ethylene glycol (C2H6O2) in 360 g of…

A:

Q: Calculate the molality of a solution that contains 71.5g of benzoic acid, C6H5COOH, in 325 mL of…

A:

Q: What is the molality of a solution prepared by dissolving 45.7 g of MgClz in 2.40 kg of water?

A: Given that, Mass of solute (MgCl2) =45.7 g Molar mass of MgCl2 = 95.211 g mol-1 mass of solvent…

Q: The percent by mass of acetone (MM = 58.08 g/mol) in an aqueous solution is 34.7%. What is the…

A: Given, Molar mass of the acetone = 58.08 g/mol Percent by mass of acetone in an aqueous solution =…

Q: 3. Calculate the molality of the solution prepared by dissolving 34.3 g of glucose (C6H12O6) in 321…

A: Molality is defined as number of solute present in 1000g of solvent. Mole= MOLAlity×mass of solvent…

Q: Calculate the molality of each of the following solution: 125 g of NH4NO3 in 275 g of water - a…

A: Given information: Mass of NH4NO3 = 125 g  Mass of water = 275 g

Q: The percent by mass of acetonitrile (MM = 41.05 g/mol) in an aqueous solution is 27.3%. What is the…

A: Given, molar mass of Acetonitrile = 41.05 g/mol Mass % = 27.3 %  Let 100 g sample of this Solution…

Q: Calculate the molality of a solution formed by adding 5.60 g NH4Cl5.60 g NH4Cl to 12.4 g12.4 g of…

A:

Q: The percent by mass of methanol (MM = 32.04 g/mol) in an aqueous solution is 92.9%. What is the…

A: 1) Percentage by mass=92.9% 2) Molecular weight of methanol (MM=32.04 g/mol)

Q: Calculate the molality of a 35.4 percent by mass aqueous solution of phosphoric acid (H3PO4).

A: Molality- Molality is defined as number of moles solute present in 1 kg of solvent. It is…

Q: Calculate the molality of each of the following solutions: (a) 14.3 g of sucrose (C12H22O11) in 676…

A:

Q: Calculate the molality of a solution containing 14.3 g of Nacl in 42.2g of water. Na=23,C=…

A: Given mass of NaCl (solute) = 14.3 g Mass of water (solvent) = 42.2 g = 0.0422 Kg  (1 Kg = 1000 g)…

Q: What is the osmotic pressure of a solution that contains 65.6 g of sucrose (MM C12H22011 = 342.34…

A: Given, mass of sucrose = 65.6 g Molar mass of sucrose = 342.34 g/mol Volume of the solution = 250.0…

Q: Calculate the molarity of a 6.0 molal H,SO, solution. The molar mass of H,SO, is 98.077 g/mol and…

A:

Q: A solution is made containing 50.0 g of ethanol (C2H5OH) in 1000 g H2O. Calculate (a) the mole…

A: The mass of ethanol is = 50.0 g The mass of water is = 1000 g The molar mass of ethanol is = 46.07…

Q: Calculate the molality of each of the following solutions:   (a) 29.9 g of sucrose (C12H22O11) in…

A: All details explanation in Handwritten solution.

Q: Consider a hydrogen peroxide (H2O2) solution that is 28.3 molal.  Given the density of solution is…

A: Given data is as follows: The molality of the hydrogen peroxide solution = 28.3 molal The density of…

Q: What is the molality of nitric acid in a concentrated solution of nitric acid (68.0% HNO3 by mass)?…

A:

Q: how would you prepare a 1.50 molal solution of sucrose in water ? at what temperature would the…

A: The concentration is also expressed in terms of molality. The formula of molality is as follows, To…

Q: Calculate the molality of a solution that contains 56.5 g of benzoic acid, C6H5COOH, in 350 mL of…

A: Mass of benzoic acid = 56.5 g  Volume of ethanol = 350 ml  Density of ethanol = 0.789 g/ml  Molality…

Q: 3. Calculate the molality of the solution prepared by dissolving 34.3 g of glucose (CH12O6) in 321 g…

A: The mass of glucose, the solute is = 34.3 g The mass of water, the solvent is = 321 g The molar mass…

Q: The percent by mass of methanol (MM = 32.04 g/mol) in an aqueous solution is 42.3%. What is the…

A: Molality is the ratio of the number of moles of solute and the mass of the solvent in kilograms.…

Q: 18.0 %(m/m) solution of potassium chloride has a density of 1.12 g/cm3 at 20.0 °C. Calculate the…

A: %m/m of KCl = 18.0%  Density of KCl = 1.12 g/cm3  Molarity = ?  Molality = ?

Q: Calculate the molality of a 41.8 percent (by mass) aqueous solution of sodium chloride. m

A: The formula for mass percentage is as follow Mass percentage=Mass of componentTotal mass of…

Q: An aqueous solution of a certain covalent compound has a density of 1.058 g/mL, an osmotic pressure…

A: The given data contains, density of a solution d =1.058 g/mlOsmotic pressure of solution π=25.98…

Q: Calculate the molality of a solution containing 109g of glucose (C,H,,06) in 679 g of ethanol.

A: MOLARITY The number of moles of solute in one litre of solution is indicated by the letter M. It is…

Q: What is the molality of a solution formed by dissolving 1.28 mol of KCl in 17.0 mol of water?

A: Given: Moles of KCl = 1.28 mol Moles of H2O = 17.0 mol Molar mass of H2O = 18.02 g/mol

Q: Calculate the molality of 12.6 g of ethylene glycol (C2H6O2) in 480 g of water.

A:

Q: The density of acetonitrile 1CH3CN2 is 0.786 g>mL and the density of methanol 1CH3OH2 is 0.791…

A:

Q: Calculate the molality of each of the following solutions: (a) 8.66 g of benzene 1C6H62 dissolved in…

A: Given data are as follows for a) 8.66 g of benzene 23.6 g of carbon tetrachloride  for b) 4.80 g of…