A solution contains 22.0 g of HCI dissolved in sufficient water to give a total mass of 125.0 g. what is the molality of the solution? __?__m

Q: 6. A student makes a solution that is 37.5% (by mass) perchloric acid in water. Determine the…

A: The ratio of moles of solute to the mass of solvent in (kg) is known as molality.

Q: Which solution has a greater concentration, A or B? A. 0.15 mole of solute dissolved in 0.4 Lof…

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Q: molality of the 0.75 mol of salt (NaCl) dissolved in 155 g of water?

A: Given,  Moles = 0.75 mol Mass of solvent = 155 g = 0.155 Kg Molality = mole/mass of solvent(Kg)

Q: A solution is made from 19.10 g of an unknown solute in 500. grams of water. The solution has a…

A: Given, Given mass of unknown solute= 19.10 g Mass of solvent= 500 g= 0.5 kg Molar mass of unknown…

Q: What is a colligative solution property? Name three of them.

A: Measurements of colligative properties are important because they help in the determination of molar…

Q: molarity and molality

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Q: An aqueous solution is 15.0% methanol (CH4O) by mass and has a density of 0.998 g/mL. a. Molarity b.…

A: Given,  The mass percentage of methanol by mass in aqueous solution = 15.0 % Density of a solution =…

Q: What happens to the boiling point of a substance when a nonvolatile solute is dissolved in it? Why?

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

Q: The molarity of 25.0% by mass HCI solution is ? The density of HCI solution is 1.20 g/mL.

A: Molarity is defined as number of moles of solute present in one liter of solutions

Q: 100ml of 1M by adding ml of 2006 alugo00 ato wnte

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Q: A solution is made using 130.0 mL of acetonitrile (density 0.786 g/mL) and 250.0 mL of water…

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Q: The % concentration by mass of a solution prepared by dissolving 14.5 g NaCl in 235. g solution is:…

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Q: What happens to the freezing point of a substance when a nonvolatile solute is dissolved in it? Why?

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Q: A solution is made using 293.5 mL of methanol (density 0.792 g/mL) and 300.0 mL of water (density…

A: Given:Volume of methanol = 293.5 mL.Density of methanol = 0.792 g/mL.Volume of water = 300…

Q: Determine the moles of solute particles dissolved in 0.7 kg of water for each of the following…

A: The number of moles of solute dissolved in 1 kg of the solvent is termed as molality. It is…

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: You make a solution using a solid solute (total volume 100mL). The molar mass of the solute is 110…

A: To calculate the molarity of the solution, we need to know how many moles of the solute are…

Q: A solution of 10.6 grams of KOH dissolved into 25.0 grams of water has a percent by mass of ____ %.

A: Mass of KOH = 10.6 g Mass of H2O = 25.0 g

Q: Bicarbonate ion, written HCO3-, is an important component of the buffer system that maintains the…

A: The chemical formula of a compound provides information about the nature of the elements involves…

Q: Consider a solution is prepared by dissolving 34.0 g of NH3 in 500.0 g of water. The density of the…

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Q: When 4.08 g of a nonelectrolyte solute is dissolved in water to make 695 mL of solution at 21 °C,…

A: From given data  mass of solute = 4.08 g  volume of solution = 695 mL = 0.695 L T = 21°C = 275.15 K…

Q: solution is made using 273.3 mL of methanol (density 0.792 g/mL) and 300.0 mL of water (density…

A: Density is defined as the mass per unit volume. It is represented by rho . Its relation is as…

Q: What is the molality of a solution made from 100.1 g of NaCI and 440.0 g of water

A: Given, Mass of NaCl = 100.1 g Mass of water = 440.0 g = 0.440 Kg Molality of the solution = ? Note:…

Q: What is the molality of a solution made by dissolving 23.9 grams of LiI in 260 grams of water?…

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Q: 8. A solution of KBr is observed to freeze at -3.35°C. What would be the freezing temperature of an…

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

Q: A 5mL solution has a mass/volume percent of 95%. What is the amount of solute that is dissolved?

A: We have, mass/volume= 95%  which means  mass volume percentage = mass of solute(g)volume of…

Q: A solution is prepared by dissolving 17.75 g sulfuric acid, H2SO4, in enough water to make 100.0 mL…

A: mass of sulfuric acid, H2SO4 = 17.75 gNote: molar mass of sulfuric acid, H2SO4 = 98.079 g/molThe…

Q: How many grams of a 23.423.4% sugar solution contain 27.0 g27.0 g of sugar? g solution:

A: Given: wm%=23.423 %mass of sugar=27.0 g To find: Mass of sugar solution

Q: 40. An aqueous solution is 0.657 M in HCl. What is the molality of the solution if the density is…

A: To find the molality of the solution, we need to determine the number of moles of solute (HCl) per…

Q: on is 1.00 g/mL. The molar mass of LizPO, is 115.79 g/mol and the molar mass of H20 is 18.02 g/mol.…

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Q: Grams per millilitre of NaCl are contained in a 0.250 M solution is O 0.0746 gm/mL 0.0146 gm/ mL…

A: Molarity is given by the number of moles per litre of the solution. Number of moles is given by the…

Q: In colligative properties, the unit of concentration that is employed is _________, which is number…

A: Colligative property: The property possessed by a solution that doesn't depend on the nature of the…

Q: How many grams of HNO3 are in 61.1 g of a solution that 30.0 % HNO3 by mass?

A: Use mass% formula to calculate the mass of solute HNO3 in its solution:

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: To prepare 790mL of 5.2M NaCl solution  Dissolve _?_ g of NaCl in a minimum amount of water, then…

A: Number of moles of solute = Molarity × Volume in L

Q: Which of the following two solutions has the lowest freezing point. Solution A or Solution B. For…

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Q: Calculate the molality of each of the following aqueous solutions. Part 1 of 2 2.57 M NaCl (density…

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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: 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 solution is prepared by dissolving 78.5 g of NaCl and 889 g water to make a total solution volume…

A: Given data,Mass of NaCl=78.5gMass of water=889g=0.889kgvolume of solution=925mL=0.925L

Q: What is the molality of a solution made by dissolving 14.7 g of CgH,1206 into 150.0 mL of water?…

A: Given : Mass of C6H12O6 = 14.7 g Volume of water = 150.0 mL Density of water = 1.00 g/mL

Q: A solution is made using 128.3 mL of acetonitrile (density 0.7766 g/mL) and 250.0 mL of water…

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Q: The molar mass will be 12.0 g/mol if a 10-g sample of unknown substance is dissolved in 100 g water…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: How is a supersaturated solution typically made? • by heating a solution to dissolve more solute,…

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Q: The solubility of most solids ________________________ (increase/decrease) as temperature increases,…

A: 1. The solubility of most solids Increase as temperature increase.   Explanation  With increase in…