A 2.50 M NaCl solution has a density of 1.08 g/ml. Determine: the mass percent of...
Calculate the molality of a 2.50 M NaCl solution (density of the solution = 1.08 g/mL)
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.) Salt solution is 12.0% NaCl by mass, with a density of 1.023 g/mL. What are the molarity, molality, and mole fraction of this solution? b.) How many grams of salt would you need to add to 500 mL of this solution to raise its mole % to 5.00?
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?
The density of a 1.96 M solution of LiBr in acetonitrile (CH3CN) in 0.826 g/mL. Calculate the concentration of this solution in (a) molality, (b) mole fraction of LiBr, and (c) mass percent of CH3CN.
1a. An aqueous solution has a Molarity of 1.632 M. The density of the solution is (1.150x10^0) g/mL and the solute has a molar mass of (1.33x10^2) g/mol. What is the molality of this solution? 1b. An aqueous solution has a mass percent of solute of 18.4%. The density of the solution is (1.400x10^0) g/mL and the solute has a molar mass of (1.77x10^2) g/mol. What is the molality of this solution? 1c. An aqueous solution has a molality of...
A 0.457 M fructose solution in water has a density of 1.03g/ml. Find the molality of the solution, and the percent by mass and mole fraction of fructose in this solution.
The density of seawater is 1.025% g/ml and the Nacl concentrations is 3.50% (m/v%) Find molarity of solution 2.) Find molality of the solution 3.) mole fraction of Nacl in solution 4.) the freezing point of the solution (Kf(H20 = 1.86 celisus/m) 5.) the boiling point of solution (Kb(H20=0.52celicus/m 6.) Osmotic pressure at 25celcius (R=0.08206)
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...
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.