If a solution of chloride in water is 0.354 M CL- at 25C, and the density of the solution 0.456 g/ml, what is the molality of CL-  in the solution?

Q: The freezing point of ethanol is -114.6°C. The molal freezing point depression constant for ethanol…

A: Freezing point of ethanol = =-114.6 °C molal freezing point depression constant = 2.00 °Cm mass of…

Q: A solution prepared by dissolving 342 mg of a sugar (a molecular compound and a nonelectrolyte) in…

A: The formula of depression in Freezing point is as, ∆Tf=W1×Kf×1000M1×W2 Where, W1=weight of solute…

Q: acetic acid

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Q: What mass of AgNO3 has been dissolved in 200g of H2O if the solution is 0.300 molality?

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

Q: The freezing point of a 0.28 m aqueous solution of Sodium sulfate is -1.360 C. What is (a) i (b)…

A:

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: If 2.51 g of a molecular compound  dissolved in 100.0 g of water produces a solution with a freezing…

A: When a solute is added to a solvent, the freezing point of solvent decreases known as depression in…

Q: The freezing point depression of a solution is dependent on the number of particles in the solution,…

A: Solution:- Given data:- 0.1 mole of Na3PO4 in 1 L water 0.1 mole of NaCl in 1 L water. So,…

Q: 4. Explain the following giving examples. (a) saturated solution (b) pure substance (c) colloid (d)…

A: 4. (i)Saturated solution: Under the given condition , the maximum amount of solute which can be…

Q: An aqueous solution containing 17.5 g of an unknown molecular (nonelectrolyte) compound in 100.0 g…

A: Given information, mass of unknown molecular (nonelectrolyte) compound is 17.5 g mass of water is…

Q: A 3.40-g sample of a mixture of naphthalene (C₁₀H₈) and pyrene (C₁₆H₁₀) is dissolved in 35.0 g…

A: Molar Mass of napthalene (C10H8) = 128 g/mol Molar mass of pyrene (C16H10) = 202 g/mol Mass of…

Q: (a) What is the molality of a solution formed by dissolving 1.12 mol of KCl in 16.0 mol of water?…

A: Molality is unit of concentration and is defined as the number of moles of solute per mass of the…

Q: A solution prepared by dissolving 682  mg of a sugar (a molecular compound and a nonelectrolyte) in…

A: Depression of freezing point : In a pure solvent when a non-volatile solute is mixed then  the…

Q: Calculate the molality of the following:(a) A solution containing 85.4 g of glycine (NH₂CH₂COOH)…

A: To Find: To find the molarity of the given solution.

Q: The freezing point of ethanol (C2H5OH) is -114.6⁰C. What is the freezing point of the solution…

A: Given: The freezing point of ethanol=-114.6°C mass of glycerin=50.0g Mass of ethanol=200.0g Freezing…

Q: Calculate the molality of NaOH in a solution made by dissolving 12 g of NaOH in 3500 mL of water

A:

Q: Your favorite household cleaner is a 30% aqueous solution of ammonia (NH3) by volume. The typical…

A: M = (1000 ×w)/(MM × V)Where, M = molarity; w = mass of NH3 in g; MM = molar mass of NH3; V = volume…

Q: What is the molarity and molality of concentrated HF if the solution is 48% HF by mass and has a…

A: Given percentage by mass HF = 48℅ density of solution = 1.17 g/ml

Q: 1. A 0.735 g of a covalent organic compound is dissolved in 15.00 g cyclohexane (freezing point =…

A: The depression in freezing point  is given by,                                       ΔTf = mKf…

Q: Calculate the molarity of 1.55 mole of NH4C2H3O2 in 1.00L of solution

A: Given:   Moles of NH4C2H3O2 = 1.55 mol    Volume=1.00 L

Q: An aqueous solution of ethanol, C2H5OH, is 19.00% ethanol by mass and has a density of 0.9700 g…

A:

Q: What is the molality of a solution made by mixing 4.5 grams of KNO3 [ molar mass ( 101.1032 g = 1…

A: Molarity = moles of soluteVolume of solution (l)Solute is KNO3moles ofKNO3 = given weight (g)Molar…

Q: 1. Which of the following aqueous solutions does have the LOWEST freezing point? (a) 0.20 m HCI…

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

Q: You make a solution of a nonvolatile solute with a liquid solvent. Indicate whether each of the…

A: The addition of a nonvolatile solute leads to the lowering of vapor pressure. When the vapor…

Q: Calculate the freezing point of a solution of 35.0 g methyl salicylate, C 7H 6O 2, dissolved in 800.…

A: Calculate the number of moles of methyl salicylate (C8H8O3): Calculate the molality of the…

Q: The freezing point of ethanol (C2H5OH) is -114.6 °C. The molal freezing point depression constant…

A: The freezing point depression is given by

Q: The walls of erythrocytes (red blood cells) are permeableto water. In a salt solution, they shrivel…

A: The depression in freezing point can be calculated by using the given below. ∆Tf=KfmHere Kf is…

Q: What happens to the solubility of a gas, in a liquid, if the partial pressure of the gas above the…

A: Henry's Law   The relationship of gas solubility to pressure is described   by Henry's law, named…

Q: If 2.51 g of a molecular compound  dissolved in 100.0 g of water produces a solution with a freezing…

A: Given data:

Q: 4. What is the freezing point depression when 62.2 g of toluene (C,H₂) is dissolved in naphthalene?…

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

Q: At 45 °C, a solution is prepared by mixing 48.0 g Na2SO4 with 240.0 g water. The vapor pressure of…

A:

Q: When 3.25 g of a nonelectrolyte solute is dissolved in water to make 165 mL of solution at 24 °C,…

A: Osmotic pressure (p) of a solution is a colligative property, meaning it depends upon the…

Q: At 25°C, the vapor pressure of pure water is 25.756 mm Hg. What is the vapor pressure of water in a…

A: NaCl is a non-volatile solute.  Hence according to Raoult's law, the vapour pressure of non volatile…

Q: A solution of H2SO4(aq) with a molal concentration of 1.66 ? has a density of 1.104 g/mL. What is…

A: H2SO4 molality = 1.66 m ( Molality =   moles of substance / mass of solvent in Kg ) Moles of H2SO4 =…

Q: Calculate the m (molality) of a solution prepared by mixing 8.205 g LiCl with 750.0 g of H2O.

A: Given that,  Amount of LiCl , w1 = 8.205 g Amount of H2O , w2  = 750.0 g  = 0.750Kg Molar mass of…

Q: What is the freezing point of an aqueous FeCl₃ solution made to be 0.81 m FeCl₃? (Kf for water is…

A: Given : Molality of FeCl3 = 0.81 m And the solution is aqueous solution means solvent is water.