A NaOH solution has a molality of 13.3 mol/kg. Find the mole fraction of NaOH in the solution. The molar mass of NaOH is 40.00 g and water is 18.02 g/mol.

Q: What is the molality of a solution made by dissolving 12.3 grams of LiCl in 380 grams of water?…

A: Given: Mass of LiCl = 12.3 g. And mass of water i.e. solvent = 380 g = 0.380 Kg…

Q: A student dissolves 17. g of methanol (CH3OH) in 500. mL of a solvent with a density of 1.11 g/mL.…

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Q: 11.What is the molality of a solution made by dissolving 29.9 grams of LiBr in 915 grams of water?

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Q: 30. A concentrated solution of HCl(aq) has the m/m% of 34.0%.  Calculate the molality of  solution.…

A: This is the concept of concentration terms

Q: Prepare a solution of NaCl by accurately weighing approximately 1.45g of NaCl into a 100 mL beaker /…

A: Molality (m)=Moles of soluteMass of solvent in kg mol/kg Mass of NaCl added=1.45gMolar mass of…

Q: 10grams of a non-volatile and non-dissociating solute is dissolved in 200grams of benzene. The…

A: Mass of solvent (WA) = 200g Mass of solute (WB) = 10g Kb of benzene = 2.53 0C Kgmol-1 ΔTb=…

Q: Normal saline is a mixture of NaCl in sterile water. Its concentration is 0.900% (g/mL) and mimics…

A: Molarity and molality are concentration terms which tells about the amount of solute present in the…

Q: What is the molality of a solution made by dissolving 9.43 grams of MnCl 2 in 385 grams of water?…

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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: If a solution is prepared by dissolving 17.75 g sulfuric acid, H2SO4, in enough water to make 100.0…

A: Concentration in terms of molarity is defined as the moles of solute present per litre of the…

Q: When 3.56 g of a nonelectrolyte solute is dissolved in water to make 925 mL of solution at 21 °C,…

A: Given, mass of nonelectrolyte solute (m) = 3.56 g Note: 1000 mL = 1 L Volume of solution (V) = 925…

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: Determine the molality  of a solution in which 11.5 grams of glucose C6H12O6 are dissolved in…

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Q: A solution is prepared by dissolving 25.0 grams of sodium hydroxide in enough water to make 250.0 mL…

A: Note ' As per our guidelines we are supposed to answer first 3 parts please resubmulit the other…

Q: What is the molality of a solution made by dissolving 34.9 grams of CoCl 2 in 790 grams of water?…

A: Given: Mass of CoCl2 dissolved = 34.9 g. And mass of water i.e. solvent = 790 g = 0.790 Kg…

Q: A student dissolves 19. g of aniline (C H,NH,) in 350. mL of a solvent with a density of 1.13 g/mL.…

A: We have given that 19 g of aniline dissolves in 350 mL= 0.350 L of a solvent To find out molarity…

Q: A student dissolves 6.8 g of styrene (CH) in 250. mL of a solvent with a density of 0.89 g/mL. The…

A: The mass of styrene is = 6.8 g The volume of the solvent is = 250. mL The volume of the solution is…

Q: What is the molality of a solution when 12 g of NH 3 (17.031 g/mol) is dissolved in 250 g water?…

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Q: sulfuric acid (H2SO4 d=1.83g/mL) aqueous solution having 5.8321 Molar Concentration with a density…

A: Given-> Molarity = 5.8321 M density of solution= 1.33 gm/mole

Q: Consider the solubility curve of NH,Cl at 40°C in 400 grams of H20 to make 250 mL solution. i)…

A: Answer :-  1. Mass of NH4Cl (solute) = 164 g  2. Moles of NH4Cl (solute) = 3.07 mol.  3. Molality of…

Q: A student dissolves 6.4 g of stilbene (C, H,) in 175. mL of a solvent with a density of 1.01 g/mL.…

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Q: solution is made using 194.7 g of hexane (MM = 86.18 g/mol) and 200.0 g of octane (MM = 114.2…

A: The concentration of a solution is very important parameter in chemistry. It is expressed in amny…

Q: Which of the following is the solution concentration expressed in terms of molality? 10 g of solute…

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Q: What is the molality of a solution made by dissolving 11.7 grams of MnCl 2 in 410 grams of water?…

A: Molality   Molality is a property of a solution and is defined as the number of moles of solute per…

Q: Determine the molality of a solution in which 11.5 grams of glucose C6H12O6 are dissolved in…

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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: 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: A 1.50 M solution of CaCl 2 (MM=109.9 g/mol)in water has a density of 1.11 g/mL. What is the…

A: Molality is defined as number of moles of solute present in 1 kg of solvent.

Q: A 0.640 M aqueous solution has a density of 7.89 g/mL. The solute's molecular weight is 257.27…

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Q: A 75.0 grams of MgCl2 is dissolved in 500.0 g of water. Calculate the molality of the solution. a)…

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Q: What is the molality of 2.5 g NaCl dissolved in 20.0 kg of water?

A: The given values for the preparation of NaCl solution is: weight of NaCl=2.5 gamount of water…

Q: Toluene, c6h5ch3, is a liquid compound similar to benzene, c6h6. it is the starting material for…

A: Mass of toluene (solute) = 35.6 g  Mass of benzene (solvent) = 125 g  Molality of toluene = ?

Q: A solution contains 4.80 g of glucose (C6H12O6), in 90.0 g of water. The molality of the solution is…

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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: An aqueous antifreeze solution is 20.4 % ethylene glycol (C2H6O2) by mass. Find the molality of the…

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Q: A given solution is prepared by pouring 23.998 g NaOH into 200.0 mL water. (use correct number of…

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Q: A 5.0 g sample of a molecular compound having a molecular weight of 100,000 g/mol is dissolved in…

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Q: A 3.16 L aqueous solution of KOH contains 181 g of KOH. The solution has a density of 1.29 g/mL…

A: We know that  Molarity : Molarity is defined as the moles of a solute per liters of a solution.…

Q: A solution with 3 g of potassium chloride (KCl) in 100 g of water is prepared. Calculate the percent…

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

Q: What is the molality of a solution made by dissolving 25.9 grams of CaCl 2 in 625 grams of water?…

A: Molality(M)=Number of moles of solute/Mass of solvent in kgs that is molality means how many moles…

Q: A student dissolves 1.9 g of styrene (C,H,) in 150. mL of a solvent with a density of 1.02 g/mL. The…

A: Given that,  Weight of styrene  = 1.9 g Molar mass of styrene = 104.15 g/mol Moles of styrene n =…

Q: A solution contains 68.4 g of sucrose (C12H22O11) dissolved in 250 g of water. What is the molality…

A: Given, Mass of sucrose = 68.4 gram Moles of sucrose = Given MassMolar MassMolar mass = 342.3…

Q: Calculate the molality of a 40.0% H3PO4 solution in water.

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Q: What is the molality of a solution containing 75.5 g sucrose in 400 g water? Show your solution.

A: Given: Mass of sucrose is 75.5 g. Mass of water is 400 g. To find: Molality of solution.

Q: An aqueous solution of methanol (MM = 32.04 g/mol) has a molality of 3.21 m and a density of 1.15…

A: Please find the attachment.

Q: An aqueous solution containing 275.9 g of sucrose [C12H22O11] per liter has a density of 1.104 g/ml.…

A: Molarity is defined as number of moles of solute dissolved per litre of solution.   Molality is…

Q: When 4.30 g4.30 g of a nonelectrolyte solute is dissolved in water to make 935 mL935 mL of solution…

A: We have the equation relating the osmotic pressure with concentration as  π = cRT  Where, c =…

Q: A student dissolves 8.9 g of methanol (CH,OH) in 175. mL of a solvent with a density of 0.88 g/mL.…

A: given mass of methanol = 8.9 g volume of solution = 175 ml density of solution = 0.88 g/mol

Q: 32.( Determine the molality of a 16-g urea dissolved in 39 grams of water. The molar mass of urea is…

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Q: Determine the molality and molarity of a sodium chloride solution prepared by adding 37.60 g of…

A: A) Molality is defined as the moles of solute present per Kg of solvent  => molality = moles of…