If 0.98 g of an unknown was dissolved in 10.30 g of solvent and the resulting solution has a molality of 0.45 m, what is the molar mass of the unknown?

Q: How many grams of iron(II) acetate are in 19.89 g of a 2.49 % by mass iron(III) acetate solution?

A: Given data :  Mass of iron acetate = 19.89 g  Mass percent =2.49%  Formula used :  Mass percent =…

Q: Determine the normal concentration of a solution composed of 53.2 g of pure K3PO4 in 2475 mL of the…

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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: Suppose you take a solution and add more solvent, so that the original mass of solvent is doubled.…

A: Molality =

Q: Use colligative properties of solutions to calculate molar massesof solutes?

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Q: The mass of calcium chromate that is dissolved in 125 mL of a saturated solution is ______grams

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Q: 2. Solution contains 0,2449 g of potassium bromate (М=167,000). Its molar equivalent concentration…

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Q: How many moles of CaCl2 are present in 10.0 mL of 0.600 M CaCl2 solution?

A: Given: Volume =10mL=0.01 L Molarity of solution=0.600M Moarity=no of moles of solutevolume of…

Q: Molarity : (The molar concentration of a solution of a solute species ) is the number of moles of…

A: We have to tell whether the statement is true or false.

Q: What mass of a 0.66 m ammonium nitrate (80.04 g/mol) solution will contain 0.15 mol of solute?

A: Applying concept of molality. Molality= moles of solute / Vkg

Q: What is the relationship between solute amount and Molarity? What is the relationship between…

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Q: of Kool-Aid, the solute is Kool-Ald e is no solute in the solution the actual cup

A: The substance that dissolves in a solvent to give a homogeneous Mixture is called solute while the…

Q: What happens to the vapor pressure of a substance when a nonvolatile solute is dissolved in it?…

A: It measured the tendency of solvent to change into gaseous or vapour form,  it increases with…

Q: Explain SOLUTIONS OF SOLIDS IN LIQUIDS?

A: The dissolution of any substance in a liquid to form a solution is governed by the basic principle…

Q: What usually happens to the solubility of solids as temperatures increases?

A: Solubility is the ability of a solid ,liquid or gaseous Chemical substance to dissolve in a solvent…

Q: How many grams of glucose (C6H12O6, 180.16 g/mol) would be required to prepare 2500.0 mL of a 0.265…

A: The volume of the solution is = 2500.0 mL The molarity of the solution is = 0.265 M The molar mass…

Q: The molarity of a glucose solution obtained by adding 20.0 mL of water to 2.00 mL glucose solution…

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Q: Determine the amount in grams of KCI that exists in 20.3 g of a solution that contains 1.14 | % KCI…

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Q: Calculate the molarity of a solution consisting of 5.25 g of NaCl in 0. 237 L of solution

A: From given With the given data's of volume and mass of solution we are calculating  molarity by…

Q: A solution was prepared by dissolving 34 g of KCl in 225 g of water. Calculate the mass percent of…

A: Given that, Mass of KCl (solute) = 34 g Mass of water (solvent) = 225 g Mass of solution = 34 g +…

Q: What does it mean to say that a substance is soluble in another substance? Which units are used in…

A: What is meant by a substance soluble in another substance is to be explained. The units that are…

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: 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: 6 M of HCl solution is required for the chemical analysis. How much water must be added to 250 mL…

A: Given: Initial concentration (stock solution), M1 = 12 M The initial volume (stock solution), V1…

Q: What mass of KI is dissolved in 900.0 g of a solution that is 75.0% KI by mass?

A: Mass percent of a solution is given by:

Q: The molarity of a solution containing 7.1 g of sodium sulfate in 100 mL of an aqueous solution is ?

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Q: Determine the amount in grams of KCI that exists in 20.3 g of a solution that contains 1.14% KCI by…

A:

Q: The mass of nickel(II) carbonate that is dissolved in 175 mL of a saturated solution is grams.

A: The question is based on the concept of solubility product Principle.   it states that a weak…

Q: A solution is 20% m/v. What is the mass of dissolved solid in 150 ml of the solution?

A: Given: %(m/v) of solution = 20 % And volume of solution = 150 mL

Q: Calculate the molarity of the two solutions. The first solution contains 0.350 mol of NaOH in 1.95 L…

A: Molarity of the first solution can be calculated as below: Molarity = No. of molesVolumeLMolarity =…

Q: Calculate the molarity of 0.127 mol of sucrose in 655 mL of solution.

A: By definition of molarity, No. of moles of solute dissolve in one litre of the solution is know as…

Q: A solution of NaCl (58.44 g/mol) in water has a concentration of 20.5% by mass. What is the molarity…

A: Given that mass percent of NaCl solution is 20.5%.

Q: defined as the amount of solute present in a solution

A:

Q: Calculate the normality of a solution that contains 4.5 g of (COOH)2 in3000 mL of solution?…

A: Normality = gram eq. of solute/volume of solution in litre               = (mass/equivalent…

Q: he solution concentration unit of molarity (M) is related to the moles of solute and volume of…

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Q: mass of lead hydroxide that is dissolved in 125 mL of a saturated solution is_____ grams

A: According to the question, we need to calculate the mass of lead hydroxide dissolved in 125 ml of a…

Q: Calculate the mass of MgCl2 contained in 743.3mL of a 0.468 M MgCl2 solution. The molar mass of…

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Q: What is the percent by mass of a solution of 25 g of KBr dissolved in 4.3 L of solution if the…

A: Mass by percent is equal to the ratio of mass of solute to the total mass of solution multiplied by…

Q: True or false? A solution is formed when a solute dissolve in a solvent to form a single phase that…

A: Welcome to bartleby !

Q: Molality is defined as g solute/L of solvent mol solute/kg of solution mol solute/L of solution mol…

A: In this question we have to tell the molality of the solution.

Q: What is the total mass of solute in 1000 grams of a solution having a concentration of 5 parts per…

A: Let mass of solute = y g Parts per million = mass of solute × 106mass of solution  5 = y ×1061000+y…

Q: An aqueous magnesium chloride solution is made by dissolving 6.83 moles of MgCl, in sufficient water…

A: Molarity (M) of a solution is defined as the number of moles of solute dissolved per volume of the…

Q: What usually happens to the solubility of solids as temperatures decreases?

A: Solubility of a substance dependent on the temperature.

Q: Determine the amount in grams of KCI that exists in 20.3 g of a solution that contains 1.14 % KCI by…

A:

Q: A solution containing 41.684 g of LiF (M.M. 25.939 g/mol) per liter has a density of 1.391 g/mL.…

A: Given : Mass of LiF =41.684 Molar mass of LiF =25.939 g/mol Volume of solution =1 L=1000 mL Density…

Q: A. Concentration Units 1.Complete the following table for aqueoUs solutions of Aluminum nitrate.…

A: As per the policy, we are only allowed to answer only 1st question. To get the answer of other…

Q: Calculate the molarity of 32.1 g32.1 g of MgSMgS in 815 mL815 mL of solution.

A: Given: mass of MgS = 32.1 g molar mass of MgS = 56.38 g/mol Volume of solution = 815 mL = 0.815 L