What is the mass percent of NaCl in a 0.80 m aqueous solution? What is the...
What is the molarity of an aqueous solution that is 4.97 % NaCl by mass? (Assume a density of 1.02 g/mL for the solution.) (Hint: 4.97 % NaCl by mass means 4.97 g NaCl/100.0 g solution.)
What is the molarity of an aqueous solution that is 6.16 % NaCl by mass? (Assume a density of 1.02 g/mL for the solution.) (Hint: 6.16 % NaCl by mass means 6.16 g NaCl/100.0 g solution.)
A 100.0 mL aqueous sodium chloride solution is 13.9 % NaCl by mass and has a density of 1.12 g mL−1. What mass of solute would you add to make the boiling point of the solution 104.8 ∘C ? (Use i = 1.8 for NaCl)
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 100.0-mL aqueous sodium chloride solution is 14.3% NaCl by mass and has a density of 1.12 g/mL. What mass of solute would you add to make the boiling point of the solution 104.4 ∘C? (Use i = 1.8 for NaCl) Express your answer to two significant figures and include the appropriate units.
Please Help! A 100.0-mL aqueous sodium chloride solution is 14.1% NaCl by mass and has a density of 1.12 g/mL. What mass of solute would you add to make the boiling point of the solution 104.7 ∘C? (Use i = 1.8 for NaCl) Express your answer to two significant figures and include the appropriate units.
We have an aqueous solution with a mass percent of 44.2 % for C2H5OH (C2H5OH is the only solute). The density of this solution is 0.947 g/mL. Calculate the molarity, molality, and mole fraction of C2H5OH in this aqueous solution. We have an aqueous solution with a mass percent of 44.2% for C2H5OH (C2H5OH is the only solute). The density of this solution is 0.947 g/ml. Calculate the molarity, molality, and mole fraction of C2H5OH in this aqueous solution.
An aqueous NaCl solution is made using 126 g ofNaCl diluted to a total solution volume of 1.00 L . Calculate the molarity of the solution. Express your answer using three significant figures. M = 2.16 M Part B Calculate the molality of the solution. (Assume a density of 1.08 g/mL for the solution.) Express your answer using two significant figures. m = 2.3 m Part C Calculate the mass percent of the solution. (Assume a density of 1.08 g/mL...
7.28 Initial Volume of NaCl solution in cylinder, (mL) Volume of NaCl solution remaining in cylinder, (mL) Volume of NaCl solution transferred to dish, (mL) Mass of dish, (g) Mass of dish and NaCl solution, (g) Mass of NaCl solution, (g) Mass of dish and dried Naci, (g) Mass of dried NaCl, (g) Density of solution, (g/mL) Percent NaCl (m/m),() Percent NaCl (m/v), (%) Molarity of NaCl, (moles/L) 1.78 5.50 79.25 85.75 6.50 80.95 1.70 1.18 262 309 5.26 Problems...
a. Calculate the mass percent (m/m) of a solution prepared by dissolving 43.83 g of NaCl in 168.6 g of H2O. Express your answer to four significant figures. b. Vinegar is a solution of acetic acid in water. If a 125 mL bottle of distilled vinegar contains 31.3 mL of acetic acid, what is the volume percent (v/v) of the solution? Express your answer to three significant figures c. Calculate the mass/volume percent (m/v) of 18.5 g NaCl in 71.5...