The molality of calcium chloride (CaCl2) in an aqueous solution is 4.33 m. What is mole fraction of the solute? Keep 3 significant figures in your answer.
The molality of calcium chloride (CaCl2) in an aqueous solution is 4.33 m. What is mole...
The molality of calcium chloride (CaCl2) in an aqueous solution is 3.37 m. What is mole fraction of the solute? Keep 3 significant figures in your answer.
An aqueous solution has a mole fraction of solute of 0.0385. What is the molality of this solution?
An aqueous solution has a mole fraction of solute of 0.0385. What is the molality of this solution? (I know the answer is 2.222 m I just need help with the steps to get there)
Part 4. Molality of the calcium chloride solution Molality is defined as mol solute Calculate the molality of your assigned calcium chloride solution. Assume that the density of kg solvent water is 1g/mL. Questions (SHOW ALL WORK) 1. Calculate the molarity (M) of a solution when 12.80 g of glycerol (CHsOs) is added to 40.70 g of water. The density of the solution is 1,052g/ml Colligative properties like boiling point elevation depend on the number of solute particles in solution....
4a Calculate the molarity of an aqueous solution of sodium perchlorate with a solute mole fraction of 0.081 and a density, ρ = 1.078 g/mL. Report your answer to THREE significant figures. 4b Calculate the molarity of a 41.2% by mass aqueous solution of copper (I) sulfate with a density, ρ = 1.177 g/mL. Report your answer to THREE significant figures. 4c Calculate the mole fraction of the solute of a 4.211 m aqueous solution of cadmium (II) bromide with...
What is the mole fraction, X, of solute and the molality, m (or b), for an aqueous solution that is 18.0% NaOH by mass? X = .066 Incorrect m = 3.96 m Incorrect
7. What is the mole fraction of urea, CH4N2O, in an aqueous solution that is 46% urea by mass? 8. What volume of a 0.850 M solution of CaCl2 contains 1.28 g of solute? 9. The volume of a 27.0% (by mass) solution is 162.9 mL. The density of the solution is 1.128 g/mL. What is the mass of solute in this solution? 10. Concentrated sodium hydroxide is 19.4 M and has a density of 1.54 g/mL. What is the...
Calculate the mole fraction of the solute of a 1.026 M aqueous solution of sodium phosphate with a density, ρ = 1.046 g/mL. Report your answer to THREE significant figures.
Calculate the mole fraction of the solute of a 3.184 M aqueous solution of potassium hydroxide with a density, ρ = 1.021 g/mL. Report your answer to THREE significant figures.
An aqueous solution contains 31% HCl by mass. Calculate the molality of the solution. Express your answer using two significant figures. Calculate mole fraction of the solution. Express your answer using two significant figures.