How many grams of NaCl (molar mass = 58.44 g/mol) needs to added to 0.500 kg of water to create a solution with a molality of 0.500 mol/kg H2O?

Q: What is the molality of a solution consisting of 2.66 mL of carbon tetrachloride (CCl4; d = 1.59…

A: The given data contains, Volume of CCl4 = 2.66 ml. density = 1.59 g/ml. Volume of CH2Cl2 = 76.5 ml.…

Q: At 20°C, what is the osmotic pressure of a 0.92% NaCI by weight aqueous solution? Assume the density…

A: Concentration of aqueous solution of NaCl = 0.92%

Q: To what volume should you dilute 50.0 mL of a 5.00 M KI solution so that 25.0 mL of the diluted…

A: Calculation of no. of mol in 3.05 g of KI: Calculation of molarity of KI:

Q: What is the molality of a solution containing 50.0 g of NaCl (58.44 g/mol) dissolved in 2.50 kg of…

A: Molality is defined as the “total moles of a solute contained in a kilogram of a solvent.” Molality…

Q: 3. Calculate the freezing point of a solution containing 5.85 g of NaCl in 200 gof water? (Na: 23…

A: Given, mass of NaCl = 5.85 g            mass of solvent ( water) = 200 g = 0.200 kg Now, molar mass…

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: 81.7 g of NaOH aqueous solution contains 9.60 g of NaOH. What is the MOLAL concentration of NaOH in…

A: Use the formula,

Q: A 1.50 M aqueous solution of methanol (CH3OH) has a density of 0.976 g/mL. What is the molality of…

A: Molality of the solution is defined as the no of moles of solute present per kg of solvent.  It is…

Q: What is the molality of a solution of 25.0 g of ethanol (CH3CH2OH) in 200.0 mL water (mw of ethanol…

A:

Q: What is the molality of a 10% w/w NaCl solution?

A: Molality is defined as number of moles of solute divide by mass of solvent in kilograms

Q: Calculate the molality of a solution formed by adding 9.60 g NH,Cl to 13.0 g of water. molality:…

A: We know that, molality = moles solute / kg solvent

Q: An aqueous solution containing 6.62 g of a certain non-electrolyte has a volume of 620 mL. The…

A: The osmotic pressure is observed in solution where flow of solute occurs. In osmosis a…

Q: 5. What is the osmotic pressure of a solution that contains 13.7 g of propyl alcohol (molar mass =…

A:

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: A solution contains 92.2g of methanol, CH3OH, dissolved in sufficient water to give a  mass of…

A: The molality of a solution is calculated by the formula: Molality m=mol of solutemass of solvent kg

Q: Ethyl propanoate is an organic molecule that smells like pineapple and has a molar mass of 102.132…

A: The molality of a solution is the number of moles of solute dissolved per kg of the solvent.

Q: A solution is made using 109.3 g of ethanol (MM = 46.07 g/mol) and 120.0 g of water (MM = 18.02…

A: Answer 1 :  Mass of ethanol (solute)= 109.3 g  Molecular weight of ethanol = 46.07 g/mol  Mass of…

Q: 5. A solution contains 92.2g of methanol, CH3OH, dissolved in sufficient water to give a mass of…

A: The number of moles of a substance is given as the mass of a substance upon its molar mass. The…

Q: 11. Calculate the molality of a solution containing 398 g glucose (C,H12O6) dissolved in 2.00 L of…

A: 11. The mass of solute is = 398 g The volume of the solvent is = 2.00 L The density of the solvent…

Q: The density of the aqueous solution of 0.512 M sucrose is 1.13 g/mL. What is the molality (mol/kg)…

A: Given :-  molarity of solution = 0.512 M  density of solution = 1.13 g/mL  molar mass of sucrose =…

Q: A solution is prepared by dissolving 8.62g of KCL (MM = 74.55 g/mol) into 265g of water. The density…

A:

Q: A solution of H2SO4(aq) with a molal concentration of 6.80 ? has a density of 1.318 g/mL. What is…

A: Given:Density = 1.318 g/mLMolal conc. = 6.80 We need to find the molar concentration of this…

Q: What is the molality of a solution containing 75.5 grams sucrose in 400.0 grams water?

A: By definition molality is given as, molality=number of moles of solutemass of solvent in Kg The…

Q: A 70% sulfuric acid solution has a density of 1.326 g/cm3.  Find the molarity of the solution in…

A:

Q: If 4.27 grams of sucrose, C12H22O11, are dissolved in 15.2 grams of water, what will be the boiling…

A: Calculate the molality of the solution. Moles of sucrose=4.27/342.3 g/mol=0.012 mol Molality=0.012…

Q: A solution of NaCl in water has a concentration of 20.5% by mass. What is the molal concentration of…

A: Molal concentration of the solution is to be calculated when the solution has 20.5 % by mass of…

Q: How many grams of water are needed to create a solution with a molality of 0.750 mol/Kg H2O if 10.0…

A:

Q: A solution is prepared by dissolving 4.78 g of an unknown nonelectrolyte in enough water to make 375…

A: Osmotic pressure can be expressed as follows, P = (n2/V) x R x T T= 27°C = (27+273) K = 300 K P=…

Q: me molality

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