DQuestion 4 1 pts If you have an aqueous solution that is 37.1 % NagPO4 by...
If you have an aqueous solution that is 38.3 % Na3PO4 by mass, what is the molality of Na3PO4 in the solution? Enter your answer in units of molality to three significant figures.
If you have an aqueous solution that is 14.4 % Na3PO4 by mass, what is the molality of Na3PO4 in the solution? Enter your answer in units of molality to three significant figures.
please double check. final answer 104.69 degrees C
If you have an aqueous solution that is 27.3 % NagPO4 by mass, what is the theoretical boiling point of the solution? Water has a boiling point of 100°C and K,(H2O) 0.512 °C/m. Enter your answer in units of degrees Celcius to three significant figures
1. An aqueous solution has a mole fraction of 0.119 KOH. What is the molarity of the solution? Assume that the density of the solution is 1.15 g/mL. Enter your answer to three significant figures and in units of molarity. 2. Glycerol (C3H8O3, 92.1 g/mol) is a nonvolatile nonelectrolyte substance. Consider that you have an aqueous solution that contains 28.6 % glycerol by mass. If the vapor pressure of pure water is 23.8 torr at 25oC, what is the vapor...
An aqueous KNO3 solution is made using 83.8 g of KNO3diluted to a total solution volume of 2.08 L. (Assume a density of 1.05 g/mL for the solution.) Part A Calculate the molarity of the solution. Express the molarity to three significant figures. molarity = nothing M M SubmitRequest Answer Part B Calculate the molality of the solution. Express the molality to three significant figures. molality = nothing m m SubmitRequest Answer Part C Calculate the mass percent...
Calculate the molality of a 11.4% by mass aqueous solution of iron (II) nitrate with a density, ρ = 1.099 g/mL. Report your answer to THREE significant figures.
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...
-4 (3 pts.) If a 0.830 m aqueous solution freezes at -3.58 °C, what is the van't Hoff factor, i, of the solute? On Blackboard, please enter your response as a number with three significant figures le X.XX where the X's are numbers). Please do not use exponent notation or fractions. Also, please write your answer in the box.
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.
Assume a 3.0 mass % aqueous solution of compound that has molar mass of 74.44. (Assume the density of water at this temperatue is 1.00 g/mL.) Part A What is the molality of the compound in this solution? Express your answer using two significant figures. IVO AQ R O 2 ? molality = Submit Request Answer Part B What is the mole fraction of this comound in the solution? Express your answer using two significant figures. VA¢ * N O...