A solution contains 22.4 g glucose (C,H12Og) dissolved in 0.500 L of water. What is the molality of the solution? (Assume a density of 1.00 g/ml. for water.) a) 0.238 m b) 44.8 m c) 0.249 m d) 4.03 m

Q: The density of an aqueous solution containing 15.0 percent ethanol (C₂H5OH) by mass is 0.979. Round…

A: Mass percent = 15.0 % That is 15.0 g of ethanol is present in 100 g of the solution. That is Mass of…

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

A:

Q: The percent by mass of methanol (MM = 32.04 g/mol) in an aqueous solution is 22.3%. What is the…

A: The molality of a given solution can be defined as the number of moles of the solute that are…

Q: Calculate the molality of a 2.77 M ethanol (C2H5OH) solution whose density is 0.9623 g/mL.

A:

Q: A 1.94 L1.94 L aqueous solution of KOHKOH contains 187 g187 g of KOHKOH. The solution has a density…

A: Given:Volume of solution = 1.94LDensity of solution = 1.29 g/mlGiven Mass of KOH = 187g

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

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

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: 8. What is the molality of a solution prepared by dissolving 50 g of sucrose (MM = 342.3 g/mol) in…

A: Given -> Weight of sucrose= 50 gm  Molar mass of sucrose= 342.3 gm/mole  Weight of solvent (water…

Q: A solution is prepared by dissolving 28.8 g of glucose (C6H12O6) in 355 g of water. The final volume…

A:

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: Calculate the molarity and molality of an NH3 solution made up of 25.0 g of NH3 in 55.0 g of water.…

A: Answers are explained below. Calculation for the molarity of the solution is as follows:

Q: 8. Which of the following solutions will have the largest osmotic pressure? Explain. a) 0.50 m…

A: Colligative properties are physical properties of solutions that depend on the concentration of…

Q: What is molality of a solution of 53 mL of c2h5oh in 104 mL of water at 20 degrees C? Density of…

A: Given:  Volume of C2H5OH = 53 mL Volume of H2O = 104 mL Temperature = 20oC Density of C2H5OH= 0.789…

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: An aqueous solution of calcium acetate has a concentration of 3.13×10-2 molal. The percent by mass…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

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: alculate the molality of a 6.45 M ethanol (C2H5OH) solution whose density is 0.9255 E/mL. 7.89 m B)…

A:

Q: Calculate the molality of a solution containing 3.4 moles of MgCl2 in 1206 g of water? 4.10 m 2.82 m…

A:

Q: What is the Molarity of a solution if the molality is 1.11 m, the density of the solution is 1,149…

A:

Q: 1. A solution made by dissolving 150.0 g of an unknown compound in 330.0 mL of benzene to make a…

A: MOLALITY = 3.63mole/kg Number of moles of unknown compound = 1.05 Molar Mass of unknown compou =…

Q: 14. How many grams of potassium hydroxide are needed to make 600.0mL of 0.450M potassium hydroxide…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: Your pure water boils at 100.00 C. You add some sugar into it and now it boils at 101.20C. What is…

A: Given,  Boiling point of pure water, Tb° = 100.00 °C  Boiling point of solution, Tb = 101.20 °C  Kb…

Q: What is the molality of a 10.9% by mass glucose solution? (The density of the solution is 1.04g/mL)

A: It is given that: Mass percent of glucose by mass = 10.9 %

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: A bottle of wine contains 12.5% ethanol by volume. The density of ethanol (C₂H5OH) is 0.789 g/cm³.…

A: The volume percent of the ethanol is 12.5%.The density of ethanol is .The volume of the solution is…

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: A solution was prepared by dissolving 12.00g of a non-dissociating solute in 40.00g of pure water.…

A: The depression in freezing point of the solution on addition of a solute can be expressed as…

Q: vhat is the molality of this solution?

A: Given :-  Freezing point of pure solvent (Tf°) = 22.3 °C  Freezing point of solution (Tf) = -37.6°C…

Q: What is the molality of a 5.86 M ethanol (C₂H₂OH, mw 46) solution whose density is 0.927 g/ml?

A: Molarity of solution = 5.86 M = 5.86 mol/Lmolecular weight of C2H5OH = 46 g/mol density of solution…

Q: A bottle of medicine contains 12.5% ethanol by volume. The density of ethanol (C2H5OH) is 0.789…

A: Medicine contains 12.5% ethanol by volume. It implies that 100 cm3 of ethanol solution has 12.5 cm3…