An aqueous solution of NaCl has a molality of 0.315 mol middot kg^-1. At what molality...
Consider an aqueous potassium nitrate solution of molality O 110 mol/kg, containing 500 g of solvent. Calculate the mass of calcium nitrate required to raise the ionic strength of the solution to 1 00. [6]
What is the molality of NaCl (58.5 g/mol) in an aqueous solution which is 4.2 molar? The density of the solution is 1.05 g/mL. ANSWER: 5.22 m Please, show the steps using dimensional analysis if possible. Thank you
The molality of silver nitrate, AgNO3, in an aqueous solution is 1.83 mol/kg. What is the mole fraction of silver nitrate in the solution?
Calculate the molality of 30 grams of a given solute in 1 liter of aqueous solution. The molar mass of the solute is 95.211 g/mol. a. 30 b.0.315 C. 3.17 d. 0.351
An aqueous NaCl solution contains 1.343x10* ppm NaCl. The density of water is 1.000g/ml. The density of the solution is 1.08 g/mL. The molar mass of NaCl is 58.44g/mol. Keep the correct number of significant figures. a) What is the molality of NaCl? b) What is the molarity of NaCl? c) What is the (mass/volume)% is unit of (kg/L)%? d) What is mass percent? e) What is mole fraction of NaCl?
A solution of NaCl (MW = 58.5 g/mol) in water (MW = 18.0 g/mol) has the molality of 3.01 molal and the density of 1.112 g/mL. Consider mass of solvent 1 Kg A) What is the mass percent of the solute? (B) What is the molarity of the solution? (C)What is the mole fraction of H2O?
You have a aqueous solution of NaCl that has a freezing point of -9.35°C. Assuming a van't Hoff factor of 1.9 for NaCl, what is the mass percent of chloride ion in the solution? (Kf for water is 1.86°C kg/mol).
What is the MOLALITY of Ethanol , C2H5OH (46.08 g/mol), in an aqueous solution that is 51.0% ethanol by mass? (correct answer is 22.6 m, I'm just not sure of the steps) Please include step by step with units! Thanks!
The percent by mass of methanol (MM = 32.04 g/mol) in an aqueous solution is 22.3%. What is the molality of the methanol solution?
Calculate the molality of a NaCl solution that has a molarity of .0600 M NaCl if the density of the solution is 1.017g/mL.