Determine the molality of a solution made by dissolving 4.50g of NaCl in 650.0 mL of ethanol. Density of ethanol is 0.789 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: Calculate the molality of a sucrose solution made by dissolving 39.5 grams sucrose into 99.6 grams…

A:

Q: What mass of H2O is needed to dissolve 5.39 g Na2CrO4 to produce a solution having a molality of…

A: Given:The mass of Na2CrO4 is 5.39 g.  Molality is 0.389 m. The density of the solution is 1 g/mL.…

Q: 5. Calculate the molal concentration of a solution that contains 18 g of sodium hydroxide in 100 ml…

A: Answer:- These questions are answered by using the simple concept of calculation of concentration in…

Q: 1. A solution contains 15.37 grams of NaCl in 0.621 kg water at 25 °C. What is the vapor pressure of…

A: 1. A solution contains 15.37 grams of NaCl in 0.621 kg water at 25 °C. We have to calculate the…

Q: A solution of KCl in water has Xkcl= .0700. What is the molality?

A: A KCl solution consists of KCl salt as the solute and water as the solvent. Mole fraction of any…

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: 10. Calculate the molarity of a 4.31 m aqueous Nacl with a density of 1.08 g/ml. 11. A solution is…

A: Given,10.   Molarity of NaCl=4.31m              density=1.08 g/mol11.   Mass of glucose=3.97 g…

Q: In order to calculate the molality of a solution from its molarity, what other information would be…

A:

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: Explain the difference between Crystalloid and Colloid Solutions

A: We have to differentiate between Crystalloid and Colloid Solutions.

Q: Molality (m) Calculate the molality of a solution that contains 27.5 g barium chloride (BaCl2) in…

A: Given, mass of barium chloride =27.5 gramvolume of water =100 mL we are asked to calculate the…

Q: A solution of 0.690 g of an organic compound in 100.0 g of benzene has a freezing point of 5.248°C.…

A: Freezing point depression = i Kf m where i = 1 for benzene and m is the molalityGiven that,mass of…

Q: An aqueous solution contains 5.8% NaCl by mass. Calculate the molality of the solution

A: Given, an aqueous solution contains 5.8% NaCl by mass. This means that in 100 g of solution has 5.8…

Q: Calculate the molality of a solution formed by adding 3.40 g NH4Cl to 17.5 g of water.

A:

Q: A student dissolves 20. g of benzoic acid (C,H,0,) in 125. mL of a solvent with a density of 1.07…

A: The mass of benzoic acid, the solute is = 20. g The volume of solvent and solution is = 125. mL The…