In an experiment, a group of students dissolved 4.67 g of toluene in 67.8 g of cyclohexane. What was the molality of the solution? The molar mass of toluene is 92.14 g/mol.

Q: What is the molality of a solution consisting of 2.66 mL of carbon tetrachloride (CCl4; d = 1.59…

A: The given data contains, Volume of CCl4 = 2.66 ml. density = 1.59 g/ml. Volume of CH2Cl2 = 76.5 ml.…

Q: A solution is made using 218.8 mL of methanol (density 0.7920 g/mL) and 300.0 mL of water (density…

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Q: a solution contains 25.5 of NaCl dissolved in sufficient water to give a total mass of 325.0 g. What…

A: Given Mass of NaCl = 25.5 g Total mass = 325.0 g = 0.325 kg molar mass of NaCl = 58.44 g/mol 1)…

Q: What is the molality of a solution containing 10.0 g of N a 2 S O 4 dissolved in 1000.0 g of water?

A: Introduction: Molality is the number of moles of solute in per kilogram of solute. It can be…

Q: What is the molality of a solution that contains 4.220 grams of potassium sulfate and 250. g of…

A: Given: mass of K2SO4 = 4.220g mass of water = 250 g                       =0.250 Kg We know, Molar…

Q: What is the molality of a solution containing 70.0 g of HNO3 in 0.400 kg of water?

A: Molality is defined as the number of moles of solute in a solution dissolved per1 kg or 1000 g of…

Q: An aqueous solution is 36.0% by mass hydrochloric acid, HCl, and has a density of 1.18 g/mL. The…

A: 36% by mass HCl means 36 g of HCl present in 100g of solution  mass of solution = mass of solute +…

Q: A solution is made using 289.6 mL of methanol (density 0.7920 g/mL) and 300.0 mL of water (density…

A: Formula used molality = no. of moles of solute/ kg of solvent Density = mass/volume

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

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Q: What is the difference between a solution and a colloidal suspension? Give examples of each, and…

A: There are various differences between a solution and a colloidal suspension and due to the below…

Q: What is the molality of a solution with 94.3 g of glucose (molar mass 180.16 g/mol) in 236 g of…

A: The number of moles of a substance is given as the mass of the substance upon its molar mass. The…

Q: A solution is made using 236.2 mL of methanol (density 0.7920 g/mL) and 300.0 mL of water (density…

A: Given :-  Volume of methanol = 236.2 mL Volume of water = 300 mL Density of methanol = 0.7920 g/mL…

Q: What is the molality of an alloy containing .03 g of silver and 4.75 g of iron?

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Q: A solution is made using 223.8 mL of methanol (density 0.7920 g/mL) and 300.0 mL of water (density…

A: For Methanol : Volume = 223.8 mL Density = 0.7920 g mL-1   For Water :  Volume = 300 mL Density =…

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

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Q: A solution is made using 257.7 mL of methanol (density 0.7920 g/mL) and 300.0 mL of water (density…

A: Given: Volume of methanol = 257.7 mL Density of methanol = 0.7920 g/mL Volume of water = 300.0 mL…

Q: A 1.25 M sugar (C12H22O11) solution has a density of 1.12 g/mL. What is the molality of this…

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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: Find the molarity and molality of NH, if it is in a solution composed of 30.6 g NH, in 81.3 g of…

A: Given information,    Mass of NH3 = 30.6 g    Mass of water = 81.3 g    Density of solution = 0.982…

Q: What are colligative properties? What is osmotic pressure?

A: The question talks about the concept of solutions. a solution is a homogeneous mixture having no…

Q: An aqueous solution of isopropanol (MM = 60.10 g/mol) has a molality of 7.25 m and a density of 1.18…

A: (M) Molarity = no. of moles of solute Volume of Solution (in ml)x1000∴ no. of moles of solute =…

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: A solution of a particular type of sugar (molar mass = 342 g/mol) was prepared by dissolving 72.5 g…

A: Mole is a standard unit for measuring large quantities of very small entities such as molecules,,…

Q: 9.255 grams of C6H6 are dissolved in 161.8 grams of acetone, what is the molality of the solution?

A: Given mass of C6H6 (solute) = 9.255 g Mass of acetone (solvent) = 161.8 g

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: An aqueous potassium chloride, KCl, solution is made by dissolving 0.305 mol KCl in 575.0 g of…

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Q: Molality   A solution contains 22.5 g of methanol, CH3OH, dissolved in sufficient water to give a…

A: Molality of a solution is calculated by dividing the number of moles of solute by per kilogram of…

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: Suppose you have 1.7 g NaCl in 100.0 g of water. Calculate the molality based on the molar mass.…

A:

Q: What is the molality of the solution prepared by dissolving 78 g ethylene glycol in 1500 g of water?

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Q: A 6.84 m urea (molar mass = 60.0 g/mol) aqueous solution has a density of 1.3 g/mL. What is the…

A: Given, 6.84 m urea density of 1.3 g/mL

Q: An aqueous solution of fructose (MM = 180.2 g/mol) has a molality of 4.87 m and a density of 1.30…

A: Molality of a solution is the number of moles of a solute in 1 kg of a solvent. Here molality of…

Q: Molality (m) Calculate the molality of a solution that contains 27.5 g barium chloride (BaCl2) in…

A: Given, mass of barium chloride =27.5 gramvolume of water =100 mL we are asked to calculate the…

Q: An aqueous solution of glucose (MM = 180.2 g/mol) has a molality of 3.83 m and a density of 1.20…

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Q: How does the solubility of a gas in a liquid depend on temperature?

A: Solubility is the quantity of solute (solid, liquid or gas) that will dissolve in a given amount of…

Q: Calculate the molality of a solution containing 109g of glucose (CgH1206) in 679 g of ethanol.

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

Q: If 40 g of potassium nitrate, KNO3, are dissolved in 500 g of water, what will be the molality of…

A:

Q: A solution is made using 130.0 mL of acetonitrile (density 0.7766 g/mL) and 250.0 mL of water…

A: density of acetonitrile=0.7766g/mldensity=mass of acetonitrilevol. of…

Q: What is the molality of a solution containing 75.5 grams sucrose in 400.0 grams water?

A: By definition molality is given as, molality=number of moles of solutemass of solvent in Kg The…

Q: A solution is made using 121.8 mL of acetonitrile (density 0.7766 g/mL) and 250.0 mL of water…

A: From the Formula of Molarity we can solve this problem.

Q: What is the molality of 30% by mass CaCl2 solution?

A: Given :- % by mass of CaCl2 = 30% To calculate :- molality of solution

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: A solution is prepared by dissolving 11.622 g sulfuric acid, H2SO4, (Molar Mass = 98.07848 ) in…

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Q: A solution was made by dissolving 10.000 g of NaCl (58.44 g/mol) in 150. mL (assume 1g/mL) of water.…

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Q: What is the molality of a CuSO4 solution where 5.00 g CuSO4 are dissolved in 50.0 g water?

A: Solution is made up of two components which are solute and solvent. Solute is present in the minor…

Q: A 0.396 molal glucose solution has density of 1.16 g/mL. What is the molarity of glucose in this…

A: Molality of glucose, m = 0.396 molal Density of glucose, d = 1.16 g/mL Molarity of glucose, M = ?…

Q: The molality of a sugar solution (C6H1206) is 2.94 m. How many total ions does C6H1206 break into…

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Q: calculate the molality. (d) 0.372 g of histamine, C5H9N, in 125 g of chloroform, CHCl3

A: Note - Since the chemical formula given for histamine in the question is incorrect, we will consider…