The density of an aq solution containing 10.0 percent ethanol by mass is 0.984g/ml. Calculate the molality if this solution. b.) Calculate its molarity. c.) What volume of the solution would contain 0.125 mole of ethanol?
The density of an aq solution containing 10.0 percent ethanol by mass is 0.984g/ml. Calculate the...
how do i do part c? The density of an aqueous solution containing 10.0 percent of ethanol (C_2H_3OH) by mass is 0.984 g/mL. (a) Calculate the modality of this solution. (b) Calculate its modality. (c) What volume of the solution would contain 0.125 mole of ethanol?
A solution is prepared by mixing 1.15 g of ethanol (CH3CH2OH) with 100. g of water. Calculate: (a) the percent by mass, (b) mole fraction, (c) molality, and (d) molarity of this solution. Assume that the density of the solution is 1.00 g/mL
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?
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 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) Calculate the osmotic pressure of a solution containing 16.75 mg of hemoglobin in 15.7 mL of solution at 22 ∘C . The molar mass of hemoglobin is 6.5×104 g/mol. B) A 2.400×10−2M solution of NaCl in water is at 20.0∘C. The sample was created by dissolving a sample of NaCl in water and then bringing the volume up to 1.000 L. It was determined that the volume of water needed to do this was 999.4 mL . The density...
5. Calculate the molarity as well as the mass percentage of a 10.0% v/v aqueous solution of ethanol. The density of pure ethanol is 0.789 g/ml. The density of the aqueous solution is 0.985 g/ml.
Question 10 We have an aqueous solution with a mass percent of 41.9 % for CHOH (C,H,OH is the only solute). The density of this solution is 0.958 g/mL. Calculate this aqueous solution Question 10: We have an aqueous solution with a mass percent of 41.9 % for C2H5OH (CH3OH is the only solute). The density of this solution is 0.958 g/mL. Calculate the molarity, molality, and mole fraction of CH5OH in this aqueous solution.
We have an aqueous solution with a mass percent of 44.3 % for C2H5OH (C2H5OH is the only solute). The density of this solution is 0.955 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 44.9 % for C2H5OH (C2H5OH is the only solute). The density of this solution is 0.953 g/mL. Calculate the molarity, molality, and mole fraction of C2H5OH in this aqueous solution.