A particular solute is dissolved in a solvent resulting in a solution that is 54.0% solute by mass. If the molar mass of the solute is 178.10 g/mol, what is the molality of the solution? (Assume the solute is a nonelectrolyte).

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: Enter your answer in the provided box. Calculate the molality of a 40.5 percent (by mass) aqueous…

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

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: molarity and molality

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Q: A solution is prepared by combining 5.03 grams of an unknown non-electrolyte with 323.0 grams of…

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Q: You are provided with a vial of an hypothetical solid that is non-volatile and a non-electrolyte.…

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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: 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: 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: 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: Given a 28.6% solution by mass of ethylene glycol in water, what mass of solution is needed to…

A: Given, Solution % = 28.6 % Mass of ethylene glycol = 10.0 g  Mass of solution = ? The formula used…

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: A solution was prepared by dissolving 125.0 g of KCl in 295 g of water. Calculate the molality of…

A: Molality: The molality of the solution is defined by the mole of solute present in one kilogram of…

Q: How do I use the molality of a substance to calculate the molar mass? Example: molality is .122M of…

A: Given:Molality = 0.122 m = 0.122 mol/Kg.Mass of the solute = 0.346 g.Mass of solvent = 7.79 g =…

Q: A solution is prepared by combining 5.24 grams of an unknown non-electrolyte with 291.0 grams of…

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Q: An aqueous solution is made by dissolving 21.0 grams of manganese(II) sulfate in 483 grams of…

A: The objective of the question is to calculate the molality of manganese(II) sulfate in the solution.…

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: The solubility of NaCl in water at 0ᵒC is 35.7 g per 100 mL of water. A solution containing 406.8 g…

A: Solubility is defined as the ability of a solute to dissolve in a solvent to form a solution.  Given…

Q: A solution is made using 126.9 mL of ethanol (density 0.7892 g/mL) and 350.0 mL of water (density…

A: Given: The volume of ethanol = 126.9 mL The density of ethanol = 0.7892 g/mL The volume of water =…

Q: A solution contains 3.00 g of solute in 13.6 g of solvent. What is the mass percent of the solute in…

A: Total mass of solution is equal to sum of mass of solvent and solute

Q: If you dissolve 2.00 g of calcium nitrate in 750 g of water, what is the molality of calcium…

A: Given,Molar mass of calcium nitrate=164.088 g/molmass of calcium nitrate=2 gmass of…

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: An aqueous solution of acetone (MM = 58.08 g/mol) has a molality of 4.45 m and a density of 1.25…

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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 0.250 mole sample of sucrose is diluted until its Molarity is 0.10 Molar. At that point, what is…

A: Given: Moles of sucrose= 0.250 mol Molarity= 0.10 M

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

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

A: The mass pf NaCl = 78.5 g The mass of water = 889 g = 0.889 kgThe volume of solution = 925 mL =…

Q: 193.8 g of magnesium chloride is dissolved in 811.0 g of water. What is the molality of the…

A: Given that : Mass of MgCl2 (Solute) = 193.8 g Mass of water (Solvent) = 811 g = 0.811 kg We have to…

Q: A solution is made using 130.1 mL of acetonitrile (density 0.7766 g/mL) and 250.0 mL of water…

A: Step 1: Calculating the moles of solute( acetonitrile) .  Step 2: Calculating the mass of the…

Q: Example: What is the molali

A: Given, mass of NaOH = 10 g  Mass of water = 500 g Molar mass of NaOH = 40 g/mol Molality =?

Q: In the laboratory you are asked to make a 0.128 m calcium acetate solution using 375 grams of water.…

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Q: A solution is made using 277.4 mL of acetone (density 0.7857 g/mL) and 450.0 mL of water (density…

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Q: A saturated solution of a compound contains .15g of solute in 100 g of water.  Is a second solution…

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Q: What is the molal concentration of a solution that is prepared by dissolving 56.1 g of glucose in…

A: Given,mass of glucose = 56.1 gmolar mass of glucose = 180.16 g/molmass of water = 285 g

Q: What is the molality of a solution made by dissolving 14.7 g of glucose (C6H12O6) into 150.0 mL of…

A: Mass of solute (glucose) = 14.7 g Volume of solvent (water) = 150.0 mL Density of water = 1.00 g/mL…

Q: 68.4 g of sucrose is dissolved in 250 g of water. What is the molality or molal concentration of the…

A: Molality = number of moles of solute/Kg solvent = (mass of substance/molecular mass of substance)x…

Q: What mass of H20 (in grams) is needed to dissolve 6.03 g LİZPO4 to produce a solution h solution is…

A: Molality (m) :   Number of moles of solute present in 1 kg of solvent is called molality (m)…

Q: A solution is made using 189.4 mL of methanol (density 0.7920 g/mL) and 300.0 mL of water (density…

A: In the question Solution is Methanol in water. Given that,  Volume of methanol is 189.4 mL and…

Q: 75 g of KCl is dissolved into 500 g of water. What is the freezing point of the solution in units…

A: Given, mass of KCl = 75 g            mass of solvent ( water) = 500 g = 0.500 kg We know that,…

Q: aqueous solution is made by dissolving 29.7 grams of iron (III) nitrate in 495 grams of water. e…

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