A solution of 0.890 g of an organic compound in 100.0 g of benzene has a freezing point of 5.107°C. What are the molality of the solution and the molar mass of the solute? The normal freezing point of benzene is 5.500°C and the Kf for benzene is 5.12°C/m. molality molar mass = g/mol

Q: What is the molality of a 60.5% by mass of nitric acid (HNO 3 ) solution

A: The concentration of a substance can be measured in terms of mass by mass percentage. This…

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: solution of phosphoric acid contains 40.0% (by mass) of H3PO4 has a density of 1.254 g/mL. What are…

A:

Q: Calculate the molality of a 32.3% (by mass) aqueous solution of nitric acid. Calculate the molality…

A: Molality is equal to the number of moles of solute dissolve in per kg of solvent. It is denoted by…

Q: What is the change in freezing point of an aqueous solution of ethanol that has a molality of 2.2?…

A: Colligative properties: The colligative properties are those properties of solutions that depend on…

Q: A solution of 0.630 g of an organic compound in 100.0 g of benzene has a freezing point of 5.303°C.…

A: Molality: In 1000 gram or 1 Kg of the soiute, the moles of the solute present is called the molality…

Q: Calculate the molality of each of the following aqueous solutions: (a) 2.55 M NaCl solution (density…

A:

Q: Calculate the molality of saturated aqueous sodium chloride (58.443 g/mol). A saturated solution…

A:

Q: Assuming 100% dissociation in aqueous solution, calculate the freezing point of a solution made by…

A: It is given that there is 100 % dissociation of NaCl in the solution. Mass of NaCl = 16.94 g The…

Q: A commercial bleach solution contains 3.62 mass percent NaOCl in water. Calculate the molality of…

A: Given: The mass% of NaOCl=3.62% The mass% of water=96.32% The mass of NaOCl=3.62 g The number of…

Q: The percent by mass of glucose (MM = 180.2 g/mol) in an aqueous solution is 25.7%. What is the…

A: The mass percent of glucose is = 25.7 % The molar mass of glucose is = 180.2 g/mol The morality of…

Q: Find molal concentration of a sugar solution in water that has a freezing point of -2.1C. Kf=1.86C/m…

A: The molality of the species can be expressed as the ratio of the moles of the species to the solvent…

Q: What is the molality of a solution when 12 g of NH 3 (17.031 g/mol) is dissolved in 250 g water?…

A:

Q: A solution is made by dissolving 25.0 g of sodium chloride, in 265 g of water. Calculate the…

A: As you have posted multiple questions, we will answer the first question for you. Kindly repost the…

Q: 5. Calculate the molal concentration of a solution that contains 18 g of sodium hydroxide in 100 ml…

A: Answer:- These questions are answered by using the simple concept of calculation of concentration in…

Q: Some ethylene glycol, HOCH2CH2OH, is added to your car’s cooling system along with 5 kg of water. If…

A: Solution has two components. One is solute and other is solvent. When solute is added to solvent it…

Q: 5) The density of a 2.45 M aqueous solution of methanol (CH3OH) is 0.976 g/mL. What is the molality…

A:

Q: 6 What is the molality of the solution obtained by dissolving 2.25 g of glucose in 240 grams of…

A: Given,

Q: An aqueous solution is prepared by dissolving 72.0 g glucose (180.18 g/mol) in enough 1. water to…

A: Number of moles of glucose (solute) is calculated as follows,

Q: A 0.396 molal glocuse has a density of 1.16 g/ml. What is the molarity of glucose in the solution?…

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

Q: A 1.50 M solution of CaCl 2 (MM=109.9 g/mol)in water has a density of 1.11 g/mL. What is the…

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

Q: What is the molality of a solution made by dissolving 19.9 grams of NH 4Br in 910 grams of water?…

A: Given mass of NH4Br = 19.9 g  Given mass of H2O = 910 g  Here , solute is NH4Br and solvent is H2O.…

Q: Aqueous ethanol solutions are prepared by mixing measured weights of assayed ethanol and…

A: Given an aqueous solution is 27.2 % ethanol, C2H5OH , by mass  We have to find its molality

Q: The percent by mass of acetonitrile (MM = 41.05 g/mol) in an aqueous solution is 27.1%. What is the…

A: Introduction: The molality of a solution is defined as the number of moles of solute per kilogram of…

Q: Aqueous ethanol solutions are prepared by mixing measured weights of assayed ethanol and…

A:

Q: Calculate the molality of the following aqueous solutions

A: A)    2.90 Molar solution means  there are 2.90 moles of  NaCl salt in 1 Liter.  Molecular weight of…

Q: What is the molality of a 4.90M NANO3 solution. The density of the solution is 1.22 g/mL Molar mass…

A: Given : molarity of NaNO3 = 4.90 M And density of solution = 1.22 g/mL Assuming 1 L of solution i.e…

Q: When 6.29 g of a certain nonvolatile solute is dissolved in 500 g of water, the freezing point of…

A:

Q: In order to find the molar mass of an unknown compound, a research scientist prepared a solution of…

A:

Q: Calculate the molality of a solution containing 5 g of the nonelectrolyte glucose (C6H12O6) in 0.400…

A: Molality is the ratio of moles of solute to mass of solvent in kiligram.

Q: The mole fraction of NaCl in an aqueous solution of NaCl is 0.23. What is the molality of the…

A:

Q: What is the molality of a solution made by dissolving 42.7 grams of CaCI 2 in 695 grams of water?…

A: Given: The mass of CaCl2 dissolved = 42.7 g The mass of water taken = 695 g We have to calculate the…

Q: A solution of H2SO4(aq) with a molal concentration of 2.24 ? has a density of 1.135 g/mL. What is…

A: Given : Molality = 2.24 m Density = 1.135g.ml-1

Q: Crude oil pumped out of the ground may be accompanied by formation water, a solution that contains…

A: Colligative properties are the properties which depend on the number of atoms or molecules or ions…

Q: A solution of 0.870 g of an organic compound in 100.0 g of benzene has a freezing point of 5.227°C.…

A: From given data Kf = 5.12°C/m Freezing point of solution T1  = 5.227 °C Freezing point of pure…

Q: What is the molality of a solution made by dissolving 25.9 grams of CaCl 2 in 625 grams of water?…

A: Molality(M)=Number of moles of solute/Mass of solvent in kgs that is molality means how many moles…

Q: acid, CH3COOH, is 1.0187 g/mL. What is (a) the molarity? (b) the molality? (c) the mole fraction of…

A: Molarity is the moles of solute in 1 L of solution. Molarity=moles of solutevolume of solution (L)…

Q: 4. The density of acetonitrile (CH3CN) is 0.786 g/mL and the density of methanol (CH3OH) is 0.791…

A: Mole fraction of x = no.of moles of x/total moles  Molality is the ratio of moles of solute to the…

Q: 10.00%-by-mass solution of ethanol, CH3CH2OH, in water has a density of 0.9831 g/mL at 15ºC and…

A:

Q: Calculate the molality of a 40.0% H3PO4 solution in water.     0.380 m     6.80 m     1.13 m…

A: Given: (w/w) % of H3PO4 solution in water = 40.0 % molar mass of H3PO4 = 97.994 g/mol Let mass of…

Q: 1. What is the molality of a solution containing 48.2g of CaO in 392g of solvent? 2. What is the…

A: Given data: 1) Weight of CaO = 48.2 g Weight of solvent = 392 g 2) Moles of solute = 4.79 moles…

Q: What is the molality of NaCl in a solution that is 3.000 M , with a density of 1.070g mL^ - 1? Based…

A:

Q: A student dissolves 12. g of phenol (CH OH) in 350. mL of a solvent with a density of 1.12 g/mL. The…

A: given that:  Mass of phenol(solute)= 12.g  Volume of solvent = 350.ml Density = 1.12g/ml Volume does…

Q: What is the molality of a solution prepared by dissolving 78.8  g of ethylene glycol, HOCH2CH2OH, in…

A:

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

A:

Q: A solution was prepared by dissolving 11.0 g of compound in 270.0 g of ethanol raising the boiling…

A:

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

A:

Q: a. Freezing point of pure water, Tf = 0 °C Freezing point of solution, Tf = -0. 34 °C Freezing point…

A: The molar mass of sucrose from the above given data is calculated as follows:

Q: The density of an aqueous solution containing 15.0 percent ethanol (C2H5OH) by mass is 0.974 g/mL.…

A:

Q: What is the molality of a solution made by dissolving 26.3 grams of CsCl in 420 grams of water?…

A:

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.